CN101990179B - Portability user short message receipt processing equipment, system and processing method - Google Patents
Portability user short message receipt processing equipment, system and processing method Download PDFInfo
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- CN101990179B CN101990179B CN 200910089993 CN200910089993A CN101990179B CN 101990179 B CN101990179 B CN 101990179B CN 200910089993 CN200910089993 CN 200910089993 CN 200910089993 A CN200910089993 A CN 200910089993A CN 101990179 B CN101990179 B CN 101990179B
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Abstract
The invention provides portability user short message receipt processing equipment, a portability user short message receipt processing system and a portability user short message receipt processing method. The equipment comprises a receipt receiving module, a first message transmission module, a second message transmission module, an interception module and a third message transmission module, wherein the receipt receiving module is used for receiving a short message receipt; a short message transmitter is a user of a second mobile communication network or a third mobile communication network, and a short message receiver is a portability user of a first mobile communication network; the first message transmission module is used for returning a response message to a short message service center (SMSC) to inform the SMSC about that a short message temporarily cannot be transmitted if not receiving the short message receipt in a preset time after receiving the short message from the SMSC; the second message transmission module is used for transmitting a notification message to the SMSC after receiving the short message receipt; the interception module is used for intercepting the short message retransmitted by the SMSC which receives the notification message; and the third message transmission module is used for transmitting the short message receipt to the SMSC after the interception module intercepts the retransmitted short message. In the equipment, the system and the method, the normal transmission of the short message receipt of the portability user is realized.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of user's message receipt treatment facility, system and processing method carried outside.
Background technology
Number carries (NP, Number Portability) business and is also referred to as number portability, i.e. user's service has permanent telephone number, is called the portability number.After user's telephone-moving change telecom operators, still can use original telephone number.So, the user can independently select telecom operators simultaneously easily in enjoyment, has save the trouble of bringing because of telephone number changing.
The user changes the net back as the user who brings network in the number of taking, and can use value-added telecom services such as basic telecom service such as voice, note and multimedia message.
In the prior art, the scheme of the specific implementation of carrying for the number of short message service is as described below, comprising:
(Short Message Service Centre is SMSC) to the gateway routing inquiry message that sends SMS message to carry the SMS service center of network outside;
Return the route code prefix to the SMSC that carries network outside behind the gateway inquiry NP database;
The SMSC that carries network outside sends to the corresponding SMSC that brings network in of route code prefix with short message;
Bring the SMSC of network in behind the short message routing iinformation that carries HLR (Home Location Register, attaching position register) the inquiry called subscriber into network, according to this routing iinformation short message is sent to the called subscriber.
The inventor finds that there is following shortcoming at least in prior art in the process that realizes the embodiment of the invention:
The scheme of prior art can't be carried out the delivery of message receipt and be handled.
Summary of the invention
The purpose of this invention is to provide a kind of user's of carrying outside message receipt treatment facility, system and processing method, make the message receipt that sends to the short message of carrying the user outside normally to deliver.
To achieve these goals, the embodiment of the invention provides a kind of user's of carrying outside message receipt treatment facility, comprising:
The receipt receiver module is for the message receipt that receives the short message correspondence; The transmit leg of described short message is the user of second mobile communications network or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of second mobile communications network outside from first mobile communications network;
First message transmission module, be used for receiving described short message from SMS service center above Preset Time, and described receipt receiver module returns response message to described SMSC when not receiving described message receipt, notifies the described short message of described SMSC temporarily undeliverable;
Second message transmission module is used for sending a notification message to described SMSC after described receipt receiver module receives described message receipt;
Blocking module is used for the described SMSC of interception and receives the described short message that resends behind the described notification message;
The 3rd message transmission module is used for behind the described short message that described blocking module interception resends described message receipt being sent to described SMSC.
Above-mentioned user's message receipt treatment facility of carrying outside, wherein, and between the described SMSC by MAP MAP Signalling exchange, described Preset Time is the time that requires to return the MAP signaling response.
Above-mentioned user's message receipt treatment facility of carrying outside wherein, also comprises:
Preserve module, be used for preserving described short message;
Described blocking module specifically is used for judging according to the described short message that described preservation module is preserved whether the short message that receives is the described short message that described SMSC resends after receiving described notification message.
Above-mentioned user's message receipt treatment facility of carrying outside wherein, also comprises:
Removing module is used for deleting the described short message in the described preservation module after described the 3rd message transmission module sends described message receipt.
Above-mentioned user's message receipt treatment facility of carrying outside, wherein, described MAP response message misdirection reason-code is 219, described notification message is Alert-SC message.
To achieve these goals, the embodiment of the invention also provides a kind of user's of carrying outside message receipt treatment system, comprise SMS service center SMSC and short message service gateway, wherein, also comprise and carry user's message receipt treatment facility outside, the described user's of carrying outside message receipt treatment facility comprises:
The receipt receiver module is used for from the message receipt of described SMSC reception short message correspondence; The transmit leg of described short message is the user of second mobile communications network or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of described second mobile communications network outside from first mobile communications network;
First message transmission module, be used for receiving described short message from described SMSC above Preset Time, and described receipt receiver module returns response message to described SMSC when not receiving described message receipt, notifies the described short message of described SMSC temporarily undeliverable;
Second message transmission module is used for sending a notification message to described SMSC after described receipt receiver module receives described message receipt;
Blocking module is used for the described SMSC of interception and receives the described short message that resends behind the described notification message;
The 3rd message transmission module is used for behind the described short message that described blocking module interception resends described message receipt being sent to described SMSC.
Above-mentioned user's message receipt treatment system of carrying outside, wherein, and between the described SMSC by MAP MAP Signalling exchange, described Preset Time is the time that requires to return the MAP signaling response.
Above-mentioned user's message receipt treatment system of carrying outside, wherein, the described user's of carrying outside message receipt treatment facility also comprises:
Preserve module, be used for preserving described short message;
Described blocking module specifically is used for judging according to the described short message that described preservation module is preserved whether the short message that receives is the described short message that described SMSC resends after receiving described notification message.
Above-mentioned user's message receipt treatment system of carrying outside, wherein, the described user's of carrying outside message receipt treatment facility also comprises:
Removing module is used for deleting the described short message in the described preservation module after described the 3rd message transmission module sends described message receipt.
Above-mentioned user's message receipt treatment system of carrying outside, wherein, described MAP response message misdirection reason-code is 219, described notification message is Alert-SC message.
To achieve these goals, the embodiment of the invention also provides a kind of processing method of message receipt, comprising:
Carry the message receipt that user's message receipt treatment facility receives the short message correspondence outside; The transmit leg of described short message is the user of second mobile communications network or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of described second mobile communications network outside from first mobile communications network;
Carry user's message receipt treatment facility outside and receiving described short message from SMS service center above Preset Time, and described receipt receiver module is not when receiving described message receipt, return response message to described SMSC, notify the described short message of described SMSC temporarily undeliverable;
Carry user's message receipt treatment facility outside after described receipt receiver module receives described message receipt, send a notification message to described SMSC;
Carrying user's message receipt treatment facility outside tackles described SMSC and receives the described short message that resends behind the described notification message;
Carry user's message receipt treatment facility outside behind the described short message that interception resends, described message receipt is sent to described SMSC.
The processing method of above-mentioned message receipt, wherein, described carrying outside passed through MAP MAP Signalling exchange between user's message receipt treatment facility and the described SMSC, and described Preset Time is the time that requires to return the MAP signaling response.
The processing method of above-mentioned message receipt, wherein, described MAP response message misdirection reason-code is 219, described notification message is Alert-SC message.
The embodiment of the invention has following beneficial effect:
In the specific embodiment of the invention, be the user of second mobile communications network or the 3rd mobile communications network for transmit leg, and the recipient is for carrying the short message of carrying the user outside of second mobile communications network outside from described first mobile communications network, carry user's message receipt treatment facility outside in that signaling is overtime when also not receiving message receipt, elder generation's analog subscriber off-mode, then after receiving message receipt, simulated HLR notice SMSC user start, and behind the short message that interception SMSC retransmits, the message receipt that receives is sent to SMSC, realized the normal process of message receipt, neither can make the mistake and deduct fees, also can not influence user's business experience.
Description of drawings
Fig. 1 for the processing method of the short message service of the embodiment of the invention for the process chart of carrying the user outside;
Fig. 2 for the processing method of the short message service of the embodiment of the invention for the process chart of bringing the user in;
Fig. 3 is the structural representation of carrying user's short message treatment facility outside of the embodiment of the invention;
Fig. 4 is the process chart of processing method of the message receipt of the embodiment of the invention;
Figure 5 shows that the embodiment of the invention is the process chart of the processing method of the message receipt that solves the problem that occurs in Fig. 4 flow process and propose;
Fig. 6 is the structural representation of carrying user's message receipt treatment facility outside that message receipt is handled that is used for of the embodiment of the invention.
Embodiment
Carrying outside in user's message receipt treatment facility, system and the processing method of the embodiment of the invention, one NP MSC is set, this NP MSC is when receiving the short message of SMSC transmission, inquiring user is carried information outside, before RN is added in called number, according to RN note is sent to intercommunication SMG (Short Message Gateway, short messaging gateway) by SMPP then, by intercommunication SMG short messaging gateway will be gone out net according to RN.
The processing method of the short message service of the embodiment of the invention for carrying the user outside, as shown in Figure 1, comprising:
Step 11, the SMS service center SMSC of first mobile communications network receives first short message, and the recipient of described first short message is for carrying the user that carries outside of second mobile communications network outside from described first mobile communications network;
Wherein, this first short message can be the short message that the user in described first mobile communications network that receives of mobile switching centre sends, and also can be the short message that the user in the 3rd mobile communications network that receives of intercommunication SMG sends;
Described the 3rd mobile communications network can be second mobile communications network, also can be other mobile communications networks outside first mobile communications network and second mobile communications network.
Send to the user by following flow process send to the intercommunication short message service gateway of described second mobile communications network by the intercommunication short message service gateway at this first short message after:
The intercommunication short message service gateway of described second mobile communications network is transmitted to this first short message the SMSC of described second mobile communications network;
The SMSC of described second mobile communications network deletes the true receiving number that described RN obtains described first short message;
The SMSC of described second mobile communications network sends routing inquiry message to the HLR of described second mobile communications network;
The SMS service center of described second mobile communications network receives the routing query response message that described HLR returns, and comprises the sign of described MSC in the described query response message;
The SMS service center of described second mobile communications network is forwarded to the corresponding user visiting moving exchanging center MSC of described MSC sign with described first short message;
The user visiting moving exchanging center MSC of described second mobile communications network is delivered to the user with described first short message.
In specific embodiments of the invention, for the user that carries outside who carries second mobile communications network from described first mobile communications network outside, corresponding equipment is designated a device identification of carrying user's short message treatment facility outside among the described HLR, in order to realize this point, in specific embodiments of the invention, can realize in the following way, be described in detail as follows.
＜mode one 〉
HLR pre-recorded all carry corresponding relation between the device identification of user and the described user's of carrying outside short message treatment facility outside, after pre-recorded above-mentioned corresponding relation, HLR is after receiving routing inquiry message, if the user is for carrying the user outside, then can obtain this device identification, and returning SMSC by routing query response message, SMSC then can send to short message according to this device identification and carry user's short message treatment facility outside.
After the routing query response message of the device identification that comprises the described user's of carrying outside short message treatment facility that the SMS service center reception HLR of first mobile communications network returns, short message can be sent to the described user's of carrying outside short message treatment facility.
＜mode two 〉
Carrying user's short message treatment facility outside simulates all and carries the user outside and initiate location update operations to HLR, HLR then can record the corresponding relation between all device identifications of carrying user and the described user's of carrying outside short message treatment facility outside, after pre-recorded above-mentioned corresponding relation, HLR is after receiving routing inquiry message, if the user is for carrying the user outside, then can obtain this device identification, and returning SMSC by routing query response message, SMSC then can send to short message according to this device identification and carry user's short message treatment facility outside.
After the routing query response message of the device identification that comprises the described user's of carrying outside short message treatment facility that the SMS service center reception HLR of first mobile communications network returns, short message can be sent to the described user's of carrying outside short message treatment facility.
The processing method of the short message service of the embodiment of the invention for bringing the user in, as shown in Figure 2, comprising:
Wherein, this second short message can be the short message (in this case from step 22) that the user in described first mobile communications network that receives of mobile switching centre sends, and also can be the short message (in this case from step 23) of the user's transmission in the 3rd mobile communications network that receives by intercommunication SMG; Be that user in first mobile communications network is that example describes with transmit leg only among Fig. 2.
Because this reception user has brought described first mobile communications network in, therefore, in the process (executive agent all becomes the executive agent in second mobile communications network) of second mobile communications network meeting execution in step 11-16;
After step 23, the intercommunication short message service gateway of first mobile communications network are received described second short message that receiving number begins with RN, this second short message is transmitted to the SMSC of described first mobile communications network;
The specific embodiment of the invention carry user's short message treatment facility outside as shown in Figure 3, comprising:
Preserve module, be used for preserving the user's who carries outside from first mobile communications network user profile;
Short message receives module, is used for receiving first short message from SMS service center SMSC, and the recipient of described first short message is for carrying the user that carries outside of second mobile communications network outside from described first mobile communications network;
Search module, be used for the described preservation module of inquiry, obtain current signatory described second mobile communications network of recipient of described first short message;
The short message processing module is used for adding RN before the receiving number of described first short message;
The Short Message Service Call forwarding module is used for amended described first short message is sent to the short message service gateway of carrying out intercommunication with described second mobile communications network.
Certainly, consider that the data of preserving in the module need real-time update, therefore, user's short message treatment facility of carrying outside of the embodiment of the invention also comprises:
Synchronization module carries out data sync for carrying between database and the described preservation module at described local number, upgrades the described user profile of preserving in the described preservation module.
The operation of this data sync can regularly be carried out, and also can be based on the notice of tension management system and carries out.
Wherein:
Short message receives between module and the SMSC and communicates by MAP (Mobile Application Part, MAP);
Communicate by SMPP (Short Message Peer to Peer Short Message Peer to Peer) between Short Message Service Call forwarding module and the SMG;
Communicate by SOAP (Simple Object AccessProtocol, Simple Object Access Protocol) or FTP (File Transfer Protocol, file transfer protocol (FTP)) between synchronization module and the local NP database.
Certainly, consider the Operation and Maintenance problem, user's short message treatment facility of carrying outside of the embodiment of the invention also comprises:
The webmaster module is connected with Operation ﹠ Maintenance System by network management interface or Operation and Maintenance interface, is used for described Operation ﹠ Maintenance System receives module, short message processing module, Short Message Service Call forwarding module and synchronization module to described preservation module, short message Operation and Maintenance.
Utilize above-mentioned scheme, when first short message in the step 11 during from the second or the 3rd mobile network, for the processing method of message receipt (being that example describes with short message from the 3rd mobile communications network wherein) as shown in Figure 4, comprising:
Yet, in the above-mentioned message receipt delivering method, consider at first mobile communications network, carry outside between user's message receipt treatment facility and the SMSC by the MAP Signalling exchange, its timer is set to first duration, and the timer of interworking between network SMG is set to second duration, this second duration is much larger than first duration, as generally, first duration is set to 30 seconds, and second duration is set to 48 hours, therefore, above-mentioned message receipt delivering method might occur, and the MAP signaling is overtime and situation that message receipt does not also return.
In this case, return success or the MAPAck message of failing all can have problems to SMSC no matter carry user's message receipt treatment facility outside, as described below:
If return success, deliver at short message under the situation of failure, (short message is delivered failure, but returns to the user and delivers successful notification message) experienced in the short message service that at first can influence the calling subscriber, secondly, can produce mistake deducts fees, if return success, then the second or the 3rd operator can deduct fees to the calling subscriber, but in fact short message is delivered failure, should not deduct fees, can cause calling subscriber's complaint.
If return failure, deliver under the case of successful at short message, the short message service that can influence the calling subscriber equally experiences that (short message is delivered successfully, but return the notification message of delivering failure to the user), and owing to return the delivery failure, can't deduct fees to the calling subscriber, but reality successfully delivery, so there is the clearing loss in operator.
Therefore, need to adopt following technical proposals to solve returning short message timeout issue when carrying the user outside and send short messages, it comprises as shown in Figure 5:
When carrying that the user is short to disappear between receipt breath treatment facility and the SMSC by the MAP Signalling exchange outside, this Preset Time is the time-out time of MAP signaling.
The embodiment of the invention carry user's message receipt treatment facility outside as shown in Figure 6, comprising:
The receipt receiver module is for the message receipt that receives the short message correspondence; The transmit leg of described short message is the user of the second or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of second mobile communications network outside from described first mobile communications network;
First message transmission module, be used for surpassing Preset Time and (carrying outside when passing through MAP MAP Signalling exchange between user's short message treatment facility and the described SMSC receiving described short message for the first time from SMS service center, described Preset Time is the time that requires to return the MAP signaling response, as 30s), and described receipt receiver module is not when receiving described message receipt, return response message to described SMSC, notify the described short message of described SMSC temporarily undeliverable;
Second message transmission module is used for after described receipt receiver module receives described message receipt, sends second message to the SMSC of first mobile communications network;
Blocking module is used for the described SMSC of interception and receives the described short message that resends after described second message;
The 3rd message transmission module is used for described message receipt being returned to the SMSC of first mobile communications network by the MAP response after described blocking module is tackled the short message that described SMSC resends.
In the specific embodiment of the invention, this first message is that error reason is " 219:HLR user's absence " MAP Ack message, and second message is Alert-SC message.
In the specific embodiment of the invention, this is carried user's message receipt treatment facility outside and also comprises:
Preserve module, be used for preserving described short message;
Certainly, preserve module in order in time to remove, user's message receipt treatment facility of carrying outside of the embodiment of the invention also comprises:
Removing module is used for deleting the described short message in the described preservation module after described the 3rd message transmission module sends described message receipt.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. carry user's message receipt treatment facility outside for one kind, it is characterized in that, comprising:
The receipt receiver module is for the message receipt that receives the short message correspondence; The transmit leg of described short message is the user of second mobile communications network or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of second mobile communications network outside from first mobile communications network;
First message transmission module, be used for receiving described short message from SMS service center SMSC above Preset Time, and described receipt receiver module returns response message to described SMSC when not receiving described message receipt, notifies the described short message of described SMSC temporarily undeliverable;
Second message transmission module is used for sending a notification message to described SMSC after described receipt receiver module receives described message receipt;
Blocking module is used for the described SMSC of interception and receives the described short message that resends behind the described notification message;
The 3rd message transmission module is used for behind the described short message that described blocking module interception resends described message receipt being sent to described SMSC.
2. user's message receipt treatment facility of carrying outside according to claim 1 is characterized in that, and passes through MAP MAP Signalling exchange between the described SMSC, and described Preset Time is the time that requires to return the MAP signaling response.
3. user's message receipt treatment facility of carrying outside according to claim 1 and 2 is characterized in that, also comprises:
Preserve module, be used for preserving described short message;
Described blocking module specifically is used for judging according to the described short message that described preservation module is preserved whether the short message that receives is the described short message that described SMSC resends after receiving described notification message.
4. user's message receipt treatment facility of carrying outside according to claim 3 is characterized in that, also comprises:
Removing module is used for deleting the described short message in the described preservation module after described the 3rd message transmission module sends described message receipt.
5. user's message receipt treatment facility of carrying outside according to claim 2 is characterized in that, described MAP signaling response misdirection reason-code is 219, and described notification message is Alert-SC message.
6. carry user's message receipt treatment system outside for one kind, comprise SMS service center SMSC and short message service gateway, it is characterized in that, also comprise and carry user's message receipt treatment facility outside, the described user's of carrying outside message receipt treatment facility comprises:
The receipt receiver module is used for from the message receipt of described SMSC reception short message correspondence; The transmit leg of described short message is the user of second mobile communications network or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of described second mobile communications network outside from first mobile communications network;
First message transmission module, be used for receiving described short message from described SMSC above Preset Time, and described receipt receiver module returns response message to described SMSC when not receiving described message receipt, notifies the described short message of described SMSC temporarily undeliverable;
Second message transmission module is used for sending a notification message to described SMSC after described receipt receiver module receives described message receipt;
Blocking module is used for the described SMSC of interception and receives the described short message that resends behind the described notification message;
The 3rd message transmission module is used for behind the described short message that described blocking module interception resends described message receipt being sent to described SMSC.
7. user's message receipt treatment system of carrying outside according to claim 6, it is characterized in that, described carrying outside passed through MAP MAP Signalling exchange between user's message receipt treatment facility and the described SMSC, described Preset Time is the time that requires to return the MAP signaling response.
8. according to claim 6 or 7 described user's message receipt treatment systems of carrying outside, it is characterized in that the described user's of carrying outside message receipt treatment facility also comprises:
Preserve module, be used for preserving described short message;
Described blocking module specifically is used for judging according to the described short message that described preservation module is preserved whether the short message that receives is the described short message that described SMSC resends after receiving described notification message.
9. user's message receipt treatment system of carrying outside according to claim 8 is characterized in that, the described user's of carrying outside message receipt treatment facility also comprises:
Removing module is used for deleting the described short message in the described preservation module after described the 3rd message transmission module sends described message receipt.
10. user's message receipt treatment system of carrying outside according to claim 7 is characterized in that, described MAP signaling response misdirection reason-code is 219, and described notification message is Alert-SC message.
11. the processing method of a message receipt is characterized in that, comprising:
Carry the message receipt that user's message receipt treatment facility receives the short message correspondence outside; The transmit leg of described short message is the user of second mobile communications network or the 3rd mobile communications network, and the recipient is for carrying the user that carries outside of described second mobile communications network outside from first mobile communications network;
Carry user's message receipt treatment facility outside and receiving described short message from SMS service center SMSC above Preset Time, and the receipt receiver module in the described user's of carrying outside message receipt treatment facility is not when receiving described message receipt, return response message to described SMSC, notify the described short message of described SMSC temporarily undeliverable;
Carry user's message receipt treatment facility outside after described receipt receiver module receives described message receipt, send a notification message to described SMSC;
Carrying user's message receipt treatment facility outside tackles described SMSC and receives the described short message that resends behind the described notification message;
Carry user's message receipt treatment facility outside behind the described short message that interception resends, described message receipt is sent to described SMSC.
12. the processing method of message receipt according to claim 11, it is characterized in that, described carrying outside passed through MAP MAP Signalling exchange between user's message receipt treatment facility and the described SMSC, described Preset Time is the time that requires to return the MAP signaling response.
13. the processing method according to claim 11 or 12 described message receipts is characterized in that, described MAP signaling response misdirection reason-code is 219, and described notification message is Alert-SC message.
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| CN 200910089993 CN101990179B (en) | 2009-07-30 | 2009-07-30 | Portability user short message receipt processing equipment, system and processing method |
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| CN103179523A (en) * | 2013-03-15 | 2013-06-26 | 北京小米科技有限责任公司 | Remind method and remind device |
| CN115412902B (en) * | 2022-11-03 | 2023-03-24 | 安徽创瑞信息技术有限公司 | User number portability judgment system |
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| CN1731865A (en) * | 2004-08-04 | 2006-02-08 | 中兴通讯股份有限公司 | Method for realizing short message receipt service and its system |
| CN1744729A (en) * | 2004-09-01 | 2006-03-08 | 乐金电子(中国)研究开发中心有限公司 | Method for feeding-back information of short message processed and mobile phone |
| CN1753439A (en) * | 2005-10-25 | 2006-03-29 | ***通信集团公司 | Method of transmitting called terminal state information to calling user |
| CN101198084A (en) * | 2006-12-08 | 2008-06-11 | 中兴通讯股份有限公司 | System for implementing multimedia message receipt service |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1602252B1 (en) * | 2003-03-13 | 2013-06-05 | Sybase 365, Inc. | Virtual network solution for sms message exchange between gsm and ansi (tia/eia 41) networks |
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| CN1731865A (en) * | 2004-08-04 | 2006-02-08 | 中兴通讯股份有限公司 | Method for realizing short message receipt service and its system |
| CN1744729A (en) * | 2004-09-01 | 2006-03-08 | 乐金电子(中国)研究开发中心有限公司 | Method for feeding-back information of short message processed and mobile phone |
| CN1753439A (en) * | 2005-10-25 | 2006-03-29 | ***通信集团公司 | Method of transmitting called terminal state information to calling user |
| CN101198084A (en) * | 2006-12-08 | 2008-06-11 | 中兴通讯股份有限公司 | System for implementing multimedia message receipt service |
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