CN1620070A - Network telephone based on universal instant insertion instant use protocol and its use method - Google Patents
Network telephone based on universal instant insertion instant use protocol and its use method Download PDFInfo
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Abstract
A UPNP protocol based IP telephone set and use method, a network interface having UPNP protocol (universal plug and play) is provided and configured with automatic logging network server and automatic searching user to realize IP telephone set wireless connection and having control system module with number searching and message transmission function. Said method can realize wireless network communication mode.
Description
Technical field
The present invention relates to a kind of IP phone machine and using method thereof, this IP phone machine includes hardware configuration and the software control module based on UPNP agreement (being the universal plug and play network agreement) particularly, and uses this IP phone machine and the webserver to set up the method for communication on this basis.
Background technology
Along with the application of broadband technology in network service, increasing individual and the user of unit use the IP phone machine as communication tool and the various information services of using network to provide.Existing employed network IP telephone machine is wired mostly, promptly needs to be connected in separately the network by netting twine to go, so also just can only use as landline telephone.
The track laying of existing IP phone machine is the demand that can't satisfy the mobile office.The mobile office is all being carried out by major company both at home and abroad at present, and promptly company management's layer and office worker take the unfixed working way of office location and place according to the own service characteristics, will cause the wasting of resources if everyone disposes landline telephone.And, present 802.11 protocol technologies verified its in existing network is used has that transfer of data is stable, communication context reaches advantages such as 100 meters, can satisfy the standard-required of wireless network communication substantially, thereby network wireless IP phone machine had suitable feasibility and operability.
In addition, existing common IP phone machine only can provide voice service, can't provide more function aspect value-added service, and the systemic-function of IP phone machine fails to give full play to.
As mentioned above, adopt network wireless IP phone machine to become a kind of feasible office equipment.But because radio apparatus is when starting or entering the office space at every turn, need register to the gatekeeper, otherwise the gatekeeper will think that this phone has closed or leaves service area by user's manual dialup.Shut down at every turn or when leaving, need manually notify gatekeeper's using method very inconvenient.
Summary of the invention
Of the present invention a kind of based on UPNP protocol of I P telephone set and using method thereof, can address the above problem and design the network interface of use UPNP (UPnP) agreement, configuration simultaneously realizes that automatic logging in network server and gatekeeper search the user automatically, thereby realize the wireless connections of IP phone machine, and control system module with number inquiry and short message transmission receiving function.
The hardware configuration of network wireless IP phone machine of the present invention includes: acp chip, SDRAM memory, Flash memory, user interface logic circuit, prompt tone parts and speech coding circuit etc.
Using described UPNP agreement, is to have additional radio network interface parts in phone.
The radio network interface parts are selected the CF card for use, can realize the compatibility to the cable network transmission, and leave common wired network interface.
Of the present invention based on UPNP protocol of I P telephone set, its control system includes with lower module: power management module, main program module, mixed-media network modules mixed-media and Subscriber Interface Module SIM etc.Wherein, in mixed-media network modules mixed-media, also have additional 802.11 wireless driver modules and UPNP protocol stack.
UPNP protocol stack storage, be cured in the Flash memory, its function is to realize the automatic discovery of telephone set and gatekeeper's equipment, by with gatekeeper's communication phone information being sent on the gatekeeper, and obtains the information of other phones.
Of the present invention its control system also is stored in the data message that is received in the Flash memory based on UPNP protocol of I P telephone set, and can operate according to the user and make amendment or delete.
Message file mainly includes: initialization files, short message header list file, short message text file and telephone number chain list file.
Initialization files are taked following form: the IP address+telephone number of telephone set IP address+gateway+whether subscribe to short message sign+whether subscribe to telephone number sign+telephone set explanation remarks.
Short message header list file is taked following form: short message title+corresponding file title.
Short message text file is taked following form: short message title+time of reception+transmit leg telephone number+short message text.
Telephone number chain list file is taked following form: telephone number+IP address+the other side's brief introduction.
Of the present invention based on UPNP protocol of I P telephone set, its workflow is:
The first step, foundation is connected with gatekeeper's communication.
Inquiry gatekeeper equipment in the network of place.If there is gatekeeper's equipment, then feed back IP address, port numbers and the simple gatekeeper's device description that obtains gatekeeper's equipment from the gatekeeper;
Then described IP phone machine promptly becomes the UPNP device end, and issues the information that connects to the gatekeeper, includes IP address, port numbers and simple description of phone.
In second step, use described IP phone machine to realize automatic logging in network.
(1), system's power-on self-test.The hardware detection that powers on, and detect and adopt wired still wireless connections to dispose accordingly;
(2), carry out system initialization;
(3), UPNP protocol stack initialization;
(4), carry out automatic network registration and information subscribing according to the UpnP agreement.Send initialization files to the gatekeeper by described IP phone machine.
In the 3rd step, keep with gatekeeper's communication and reception, process information or call.
(1), obtains service and reception short message that the gatekeeper provides after automatic login networks.
Described IP phone machine can be saved in the JFFS file system after receiving short message automatically, generates short message header list file simultaneously for user inquiring;
Concrete short message body matter then is saved in the short message text file.
(2), by the user by oneself information and the change COS.
Described IP phone machine receives the above-mentioned information that is sent by the gatekeeper, and can above-mentioned by oneself information.Include: the modification that initialization information is revised, telephone number illustrates remarks, modification, short message deletion, telephone number renewal or telephone number deletion ordered short message and telephone number.
In the 4th step, use the IP phone machine to dial or receive phone.
(1), dialing in the net.
Between the network internal telephone set,, do not directly call and set up communication and connect by the gatekeeper according to radio apparatus number of being preserved and IP address.
(2), caller dialing.
The user need to select the telephone number of calling according to the telephone number query function, connects with the gatekeeper;
The gatekeeper feeds back to the IP address of telephone number correspondence;
Phone connects according to IP address and callee, carries out the transmission of speech data;
End of conversation disconnects the called phone machine;
Telephone set and gatekeeper's communication, the notice end of conversation.
(3), called dialing
As phone by network after present networks makes a call, gateway is forwarded to wireless network telephone with packet, and is that their are set up and transmits interface channel;
Wireless network telephone returns connection information after receiving packet;
After wireless network telephone was connected, both sides just can freely converse.
In the 5th step, disconnection is connected with network.
When described IP phone office's machine or deviated from network, issue offline information automatically to the gatekeeper by described IP phone machine.Then the gatekeeper can correspondingly upgrade the relevant the Resources list content of IP phone machine therewith, and issues this offline information to all telephone sets.
As mentioned above, of the present invention based on UPNP protocol of I P telephone set and using method has the following advantages and beneficial effect:
1, uses existing 802.11 protocol technologies, realized a kind of wireless network communication pattern that adapts to modern mobile office, have feasibility and reliable operability;
2, realized the radio network telephone Auto Login feature, be user-friendly to;
3, the user can arbitrarily increase or delete in the track laying requirement of no network, network, makes things convenient for the management of system operator to Internet resources;
4, expanded the COS of existing IP phone machine, adapted to quick, the accurately requirement of transmission of existing information, more value-added service can be provided.
Description of drawings
Fig. 1 is the structural representation of IP phone machine of the present invention;
Fig. 2 is the control system module diagram of described IP phone machine;
Fig. 3 is the mixed-media network modules mixed-media structural representation among Fig. 2;
Fig. 4 is the flow chart of the automatic logging in network of IP phone machine of the present invention;
Fig. 5 is the initialization files format chart of described IP phone machine control system;
Fig. 6 is the flow chart that described IP phone machine networks automatically and uses;
Fig. 7 is the heading file form schematic diagram that described IP phone machine receives short message;
Fig. 8 is the form schematic diagram of described short message text file;
Fig. 9 is the phone number list file format schematic diagram of described IP phone machine storage;
Figure 10 is described IP phone machine caller dialing schematic flow sheet;
Figure 11 is the called dialing schematic flow sheet of described IP phone machine.
Wherein, as shown in Figure 1, the hardware configuration of IP phone machine of the present invention mainly includes: acp chip 101, radio network interface parts 102, memory member (SDRAM chip 103, Flash chip 104), user interface logic circuit 106, display unit 105, input keyboard parts 107, prompt tone parts 108, speech coding circuit 110, microphone circuit parts 109, head circuit parts 111.
As shown in Figure 2, the control system of described IP phone machine mainly includes: power management module 201, main program module 202, mixed-media network modules mixed-media 203, Subscriber Interface Module SIM 204, liquid crystal display program module 205, button and touch-screen driver module 206, prompt tone module 207, speech processing module 209, speech interface administration module 208.
As shown in Figure 3, the mixed-media network modules mixed-media 203 in the described IP phone machine control system mainly includes: UPNP protocol stack 301, H.323 protocol stack 302, ICP/IP protocol stack 303,802.11 wireless driver modules 304.
Embodiment
Embodiment 1, in conjunction with shown in Figure 1, of the present invention based on UPNP protocol of I P telephone set, its hardware configuration mainly includes: acp chip 101, SDRAM memory 103, Flash memory 104, user interface logic circuit 106, display unit 105, input keyboard parts 107, prompt tone parts 108, speech coding circuit 110, microphone circuit parts 109, head circuit parts 111.
Wherein, the UPNP protocol technology being applied to realize wireless connections on the phone, is to have additional radio network interface parts 102 in the above-mentioned IP telephone set, promptly adopts the 802.11b network interface.
Radio network interface parts 102 are selected the CF card for use, both can guarantee to dwindle the volume of radio apparatus, have realized compatible present cable network transmission again, and have left common network RJ54 interface.
As shown in Figure 1-Figure 3, of the present invention based on UPNP protocol of I P telephone set, its control system mainly includes: power management module 201, main program module 202, mixed-media network modules mixed-media 203, Subscriber Interface Module SIM 204, liquid crystal display program module 205, button and touch-screen driver module 206, prompt tone module 207, speech processing module 209, speech interface administration module 208.
Mixed-media network modules mixed-media 203 in the described IP phone machine control system mainly includes: H.323 protocol stack 302, ICP/IP protocol stack 303,802.11 wireless driver modules 304.
Wherein, in mixed-media network modules mixed-media 203, increase the UPNP protocol stack 301 of using the UPNP agreement.The function of this protocol stack is to realize the automatic discovery of telephone set and gatekeeper's equipment, by with gatekeeper's communication phone information being sent on the gatekeeper, and obtains the information of other phones.
Described UPNP protocol stack 301 storages are cured in the Flash memory 104.
Simultaneously, the control system of IP phone machine of the present invention adopts embedded Linux operating system, in described control system module, add read-write flash file system-JFFS file system, make phone can generate and store file relatively independently, and needn't consider the read-write mode of Flash memory self.
As Fig. 5, Fig. 7, Fig. 8 and shown in Figure 9, of the present invention based on UPNP protocol of I P telephone set, the UPNP protocol stack of being set up in the mixed-media network modules mixed-media 203 in its control system 301, realize that phone is logined automatically, the described IP phone of gatekeeper's automatic device discovery, when sending information with gatekeeper's communication and receiving the data message that the webserver sends, various message files are stored in the Flash memory, and can operate according to the user and make amendment or delete.
The message file that is stored in the Flash memory mainly contains: initialization files, short message header list file, short message text file and telephone number chain list file.
As shown in Figure 5, the form of the initialization files of IP phone machine control system is: the IP address+telephone number of telephone set IP address+gateway+whether subscribe to short message sign+whether subscribe to telephone number sign+telephone set explanation remarks.Wherein,
Telephone set IP address is provided by the webserver, is kept at the original position of above-mentioned file with character string forms, applies mechanically automatically when sending, unless made amendment according to the new IP address that the webserver provides by the user at every turn.The string length of telephone set IP address is 15 bytes;
The IP address of gateway is also provided by the webserver, preserves hereof with character string forms, and its string length is 15 bytes;
Telephone number is not to be to be the number of IP phone machine itself, but is distributed to the code name of described IP phone machine by the gatekeeper.Described number is 5 Arabic numerals (extracting any 5 bit digital from 0-9), preserves with character string forms, and string length is 5 bytes;
Whether subscribe to the short message sign, flag code is the flag bit of 1 byte.The sign that expression is subscribed to is " 1 ", and the sign that expression is not subscribed to is " 0 ";
Whether subscribe to the telephone number sign, flag code is the flag bit of 1 byte.The sign that expression is subscribed to is " 1 ", and the sign that expression is not subscribed to is " 0 ";
Telephone set explanation remarks are related description of this IP phone machine of record, and all character occupation space are less than 1KB.
The webserver sends SMS message and described IP phone machine receives the short message file, sends and receive short message header list file and short message text file in fact simultaneously.Above-mentioned two files are relative set or transmission, thereby point to same short message body matter.
As shown in Figure 7, the form of short message header list file is: short message title+corresponding file title.
The short message title plays prompting and summarizes the effect of short message body matter, and takies 16 bytes;
And file name is consistent with the title in the short message text file.
As shown in Figure 8, the form of short message text file is: short message title+time of reception+transmit leg telephone number+short message text.Wherein,
The short message title, consistent with the file name in the short message header list file;
Time of reception is the actual concrete time of receiving short message of this IP phone machine, comprises year, month, day, hour, min, second;
The transmit leg telephone number is if this short message then openly records the actual phone number that sends this short message not by gatekeeper's issue;
The short message text provides the character library that shows Chinese and English and punctuate, and it takes up room and is the 64k byte to the maximum.
As shown in Figure 9, the information that telephone number chain list file can be preserved other telephone sets in the network system, its file format is: telephone number+IP address+the other side's brief introduction.
As mentioned above, be primary structure and the control module content that the present invention is based on UPNP protocol of I P telephone set.
On this basis, as Fig. 4, shown in Figure 6, be based on the using method of UPNP protocol IP telephone set:
The first step, foundation is connected with gatekeeper's communication.
Utilize described IP phone machine in the network of place, to inquire about gatekeeper's equipment.If there is gatekeeper's equipment, then feed back IP address, port numbers and the simple gatekeeper's device description that obtains gatekeeper's equipment from the gatekeeper;
Then described IP phone machine promptly becomes the UPNP device end, and issues the information of connecting to the gatekeeper with the XML file format, includes IP address, port numbers and simple description of phone.According to the DHCP agreement, to Dynamic Host Configuration Protocol server application IP address.
After the gatekeeper obtains above information, and will be to described IP phone machine passback telephone number as shown in Figure 5 in feedback;
In second step, use described IP phone machine to realize automatic logging in network.
(1), system's power-on self-test.The hardware detection that powers on, and detect and adopt wired still wireless connections to dispose accordingly;
(2), carry out system initialization;
(3), UPNP protocol stack initialization;
(4), carry out automatic network registration and information subscribing according to the UpnP agreement.Send as described in Figure 5 initialization files to the gatekeeper by described IP phone machine.
In the 3rd step, keep with gatekeeper's communication and reception, process information or call.
(1), obtains service and reception short message that the gatekeeper provides after automatic login networks.
Automatically after login networked, the gatekeeper announced COS with the XML file format to phone, and the user is by described IP phone machine subscription service to the gatekeeper, with telephone number information and short message in the acquisition net that the gatekeeper was provided;
Described IP phone machine can be saved in the JFFS file system after receiving short message automatically, and the short message header list file that generates simultaneously as shown in Figure 7 supplies user inquiring;
And concrete short message body matter is saved to short message text file as shown in Figure 8.
Above-mentioned short message is in generating corresponding document, and header list file and text file generate simultaneously and is consistent.
The short message file that is generated can be preserved 100 at most, and sequence number is 1-100.
If the short message sequence number is full, then inquire about the time of reception in all sequences file, and select the file of reception recently, cover former message content with new message content.
(2), by the user by oneself information and the change COS.
Described IP phone machine receives the above-mentioned information that is sent by the gatekeeper, and can above-mentioned by oneself information.Include:
Initialization information is revised.Can be by the initialization information of the described IP phone machine of user's modification.As: revise telephone number, amended number sends to the gatekeeper by operation sequence with number at every turn when logining automatically, and described IP phone machine upgrades initialization files automatically then to be finished.Correspondingly, the gatekeeper then upgrades its database, and the new digit after all subscribe to the phone transmission change of telephone number.
The modification of telephone number explanation remarks.Can be by the user by telephone keypad and lcd screen input remarks (support input in Chinese), phone upgrades initialization files automatically and notifies the gatekeeper.After the gatekeeper obtains, new database more, and lead to the new remarks that all phones of subscribing to telephone numbers send this phone after the change.
Modification to ordered short message and telephone number.After user's modification, be saved in the file and notify the gatekeeper.The gatekeeper is new database more, no longer sends SMS message from now on and telephone number.
The short message deletion.Described IP phone machine can be preserved 100 short messages at most, deletes the earliest one of time of reception automatically by telephone set when surpassing 100, by that analogy.Simultaneously also can manually delete short message by the user.The user selects a short message by menu, and after carrying out delete command, file system is at first upgraded short message header list file, finds short message title and filename and deletion by the character string inquiry mode.The file name that inquires according to the short message title is deleted the short message text file in the file system simultaneously.
Telephone number upgrades.If there is new phone to enter in the network system, then the gatekeeper monitors also more new database automatically, sends corresponding IP address and telephone set explanation remarks automatically to the phone of subscribing to the telephone number query function.
The telephone number deletion.If there is certain telephone set deviated from network then can pass through UPNP notice of settlement gatekeeper.By gatekeeper's new database more automatically, and notice corresponding telephone machine.Telephone set upgrades the phone list file, and file system is by the information of every telephone set of space bar inquiry, and the information of deleting corresponding telephone number.
In the 4th step, use the IP phone machine to dial or receive phone.
(1), dialing in the net.
Dialing is meant between the telephone set of network internal in the net, according to the number and the IP address of all radio apparatus of network internal of being preserved, adopts the mode of not directly calling by the gatekeeper to set up mutual connection.
Directly to callee's transmitting audio data, any third party's this moment is if wanting to connect all can be by calling party and callee's refusal according to the IP address for the calling party.
(2), caller dialing.
As shown in figure 10, when the calling party need set up communication with the outer phone of net, need externally dial by the gatekeeper.
The user need to select the telephone number of calling according to the telephone number query function, connects with the gatekeeper;
The gatekeeper feeds back to the IP address of telephone number correspondence;
Phone connects according to IP address and callee, carries out the transmission of speech data;
End of conversation disconnects the called phone machine;
Telephone set and gatekeeper's communication, the notice end of conversation.
(3), called dialing
As shown in figure 11, during the dialing of callee's phone outside receiving net, need connect by the gatekeeper and transmit.
As phone by network after present networks makes a call, gateway is forwarded to wireless network telephone with packet, and is that their are set up and transmits interface channel;
Wireless network telephone returns connection information after receiving packet;
After wireless network telephone was connected, both sides just can freely converse.
In fact above-mentioned the 3rd step and the 4th step flow process can carry out simultaneously, and be regardless of succession.
In the 5th step, disconnection is connected with network.
When described IP phone office's machine or deviated from network, issue offline information automatically to the gatekeeper by described IP phone machine.Then the gatekeeper can correspondingly upgrade the relevant the Resources list content of IP phone machine therewith, and issues this offline information to all telephone sets.
In sum, promptly be the using method flow content based on UPNP protocol IP telephone set of the present invention.
Unless in fact described IP phone machine is logined use for the first time, otherwise the use flow process of described IP phone machine is the content of describing to the 5th step in above-mentioned second step.
Claims (7)
1, a kind of based on UPNP protocol of I P telephone set, mainly include acp chip, memory, user interface logic circuit, display unit, input keyboard parts, prompt tone parts, speech coding circuit and microphone circuit parts, it is characterized in that: the IP phone machine also is provided with radio network interface parts, and is provided with 802.11 wireless driver modules and UPNP protocol stack in the mixed-media network modules mixed-media of the control system of IP phone machine.
2, according to claim 1 based on UPNP protocol of I P telephone set, it is characterized in that: described radio network interface parts are selected the CF card for use, and remain with wired network interface.
3, according to claim 2 based on UPNP protocol of I P telephone set, it is characterized in that: described IP phone machine is provided with the Flash memory in order to storage UPNP protocol stack and data message file system.
4, according to claim 3 based on UPNP protocol of I P telephone set, it is characterized in that: the data message file that is stored on the Flash memory includes initialization files, and its form is IP address+telephone number+whether subscribe to short message sign+whether subscribe to telephone number sign+telephone set explanation remarks of telephone set IP address+gateway.
5, according to claim 3 based on UPNP protocol of I P telephone set, it is characterized in that: the data message file that is stored on the Flash memory includes short message header list file and short message text file;
The form of short message header list file is short message title+corresponding file title;
The form of short message text file is short message title+time of reception+transmit leg telephone number+short message text.
6, according to claim 3 based on UPNP protocol of I P telephone set, it is characterized in that: the data message file that is stored on the Flash memory includes telephone number chain list file, and its form is telephone number+IP address+the other side's brief introduction.
7, a kind of using method based on UPNP protocol of I P telephone set is characterized in that: described workflow based on UPNP protocol IP telephone set is,
The first step, foundation is connected with gatekeeper's communication;
Inquiry gatekeeper equipment in the network of place; If there is gatekeeper's equipment, then feed back IP address, port numbers and the simple gatekeeper's device description that obtains gatekeeper's equipment from the gatekeeper;
Described IP phone machine is issued the information of connecting to the gatekeeper, includes IP address, port numbers and simple description of phone;
In second step, use described IP phone machine to realize automatic logging in network;
(1), system's power-on self-test; The hardware detection that powers on, and detect and adopt wired still wireless connections to dispose accordingly;
(2), carry out system initialization;
(3), UPNP protocol stack initialization;
(4), carry out automatic network registration and information subscribing according to the UpnP agreement; Send initialization files to the gatekeeper by described IP phone machine;
In the 3rd step, keep with gatekeeper's communication and reception, process information or call;
(1), obtains service and reception short message that the gatekeeper provides after automatic login networks;
Described IP phone machine can be saved in the JFFS file system after receiving short message automatically, generates short message header list file simultaneously for user inquiring; Concrete short message body matter then is saved in the short message text file;
(2), by the user by oneself information and the change COS;
In the 4th step, use the IP phone machine to dial or receive phone;
(1), dialing in the net;
Between the network internal telephone set,, do not directly call and set up communication and connect by the gatekeeper according to radio apparatus number of being preserved and IP address;
(2), caller dialing;
The user need to select the telephone number of calling according to the telephone number query function, connects with the gatekeeper;
The gatekeeper feeds back to the IP address of telephone number correspondence;
Phone connects according to IP address and callee, carries out the transmission of speech data;
End of conversation disconnects the called phone machine;
Telephone set and gatekeeper's communication, the notice end of conversation;
(3), called dialing;
As phone by network after present networks makes a call, gateway is forwarded to wireless network telephone with packet, and is that their are set up and transmits interface channel;
Wireless network telephone returns connection information after receiving packet;
In the 5th step, disconnection is connected with network;
When described IP phone office's machine or deviated from network, issue offline information automatically to the gatekeeper by described IP phone machine; Then the gatekeeper can correspondingly upgrade the relevant the Resources list content of IP phone machine therewith, and issues this offline information to all telephone sets.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007045134A1 (en) * | 2005-10-21 | 2007-04-26 | Lenovo (Beijing) Limited | A communication system and a communication method |
| CN101360151B (en) * | 2007-08-01 | 2011-08-10 | 纬创资通股份有限公司 | Network telephone system under general plug and use UPnP network protocol |
| CN102255977A (en) * | 2010-05-19 | 2011-11-23 | 华为技术有限公司 | Plug-and-play method and equipment |
| CN102422594A (en) * | 2009-05-08 | 2012-04-18 | 三星电子株式会社 | System and method for providing phone related services to devices using UPnP on a home network |
| CN101094277B (en) * | 2006-06-21 | 2012-06-06 | 华硕电脑股份有限公司 | Remote controller of supporting versatile plug and play protocol, and providing wireless communication service |
| CN102684978A (en) * | 2011-03-11 | 2012-09-19 | 国基电子（上海）有限公司 | Router with multimedia document transmitting function and method |
| CN110995949A (en) * | 2019-12-17 | 2020-04-10 | 紫光云(南京)数字技术有限公司 | Method, device and computer storage medium for dynamically acquiring telephone number based on SIP protocol |
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- 2003-11-20 CN CNB2003101056877A patent/CN100488209C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007045134A1 (en) * | 2005-10-21 | 2007-04-26 | Lenovo (Beijing) Limited | A communication system and a communication method |
| US8312151B2 (en) | 2005-10-21 | 2012-11-13 | Lenovo (Beijing) Limited | Communication systems and methods for dynamic and secure simplification of equipment networking |
| CN101094277B (en) * | 2006-06-21 | 2012-06-06 | 华硕电脑股份有限公司 | Remote controller of supporting versatile plug and play protocol, and providing wireless communication service |
| CN101360151B (en) * | 2007-08-01 | 2011-08-10 | 纬创资通股份有限公司 | Network telephone system under general plug and use UPnP network protocol |
| CN102422594A (en) * | 2009-05-08 | 2012-04-18 | 三星电子株式会社 | System and method for providing phone related services to devices using UPnP on a home network |
| CN102422594B (en) * | 2009-05-08 | 2014-07-23 | 三星电子株式会社 | Telephone terminal and method for exchanging calling data |
| US9143345B2 (en) | 2009-05-08 | 2015-09-22 | Samsung Electronics Co., Ltd | System and method for providing phone related services to devices using UPnP on a home network |
| CN102255977A (en) * | 2010-05-19 | 2011-11-23 | 华为技术有限公司 | Plug-and-play method and equipment |
| CN102255977B (en) * | 2010-05-19 | 2014-05-21 | 华为技术有限公司 | Plug-and-play method and equipment |
| CN102684978A (en) * | 2011-03-11 | 2012-09-19 | 国基电子（上海）有限公司 | Router with multimedia document transmitting function and method |
| CN110995949A (en) * | 2019-12-17 | 2020-04-10 | 紫光云(南京)数字技术有限公司 | Method, device and computer storage medium for dynamically acquiring telephone number based on SIP protocol |
| CN110995949B (en) * | 2019-12-17 | 2021-10-15 | 紫光云(南京)数字技术有限公司 | Method, system and computer readable storage medium for dynamically acquiring telephone number based on SIP protocol |
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| CN100488209C (en) | 2009-05-13 |
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