CN1738338A - Method and device for realizing ring back tone and prompt tone of VoIP voice communication system - Google Patents
Method and device for realizing ring back tone and prompt tone of VoIP voice communication system Download PDFInfo
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- CN1738338A CN1738338A CN 200410058489 CN200410058489A CN1738338A CN 1738338 A CN1738338 A CN 1738338A CN 200410058489 CN200410058489 CN 200410058489 CN 200410058489 A CN200410058489 A CN 200410058489A CN 1738338 A CN1738338 A CN 1738338A
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Abstract
The invention discloses a method for realizing the answering ring and the prompting ring of VoIP voice communication system, comprising following steps: the calling user sends the calling request which contains the information of called terminal to the VoIP conversation control center; said VoIP conversation control center sends the calling request to the called terminal according to aforementioned information of called terminal; said called terminal returns the response message to the VoIP conversation control center which will send the response message to the calling user; said calling user receives the response message from the VoIP conversation control center and decides if providing the answer ring or prompting ring by network, or else, providing the answer ring or prompting ring selected by the user. The invention also provides a relative method for realizing the answering ring and the prompting ring of VoIP voice communication system.
Description
Technical field
The present invention relates to VoIP (the Voice Over IP) speech business in the mobile communications network, particularly relate to ring-back tone and the prompt tone implementation method and the device of the relevant VoIP voice communication system of a kind of mobile communications network.
Background technology
The VoIP speech business claims IP (Internet Protocol) phone again, is a kind of communication technology by the IP network transferring voice, the i.e. voice transmission technology of IP based network.At present, VoIP has been widely used in the wired communication system, for the user provides cheap high-quality speech business.And, also more and more receive the concern of industry based on the VoIP voice communication system of mobile communications network along with the high speed development of mobile communication technology.
The IPization process of mobile communication technology can be divided into a plurality of stages: at first be the IPization of mobile communication business; Be the packetizing evolution of mobile communications network afterwards; Be in 3-G (Generation Three mobile communication system), to realize all-IPization at last.
For the 3-G (Generation Three mobile communication system) in future, in the R5 of 3GPP agreement, the ring-back tone of VoIP speech business and prompt tone can be controlled and be play by MRF (Multimedia Resource Function) or other application servers.
At present, several ripe GSM/CDMA/WCDMA networks have been set up at world wide.But these mobile communications network systems are comparatively limited to the support of data business, though these mobile communications networks can be realized long-distance IP telephone service, but it inserts part and remains traditional circuit domain speech business, and does not realize all-IP telephone service end to end.
And also be current hot issue by mobile packet switching network for the user provides high-quality VoIP speech business and other value-added services.
GPRS, CDMA 1X moves packet switching network can provide high-speed data service for the user.But, in existing mobile communication network environment (as the mobile radio communication of China Mobile and CHINAUNICOM's operation), do not have MRF or support ring-back tone and the application server of prompt tone broadcast, therefore the broadcast of the ring-back tone of VoIP speech business and indication sound can not effectively be supported, thereby has hindered the popularization of VoIP speech business.
For VoIP speech business based on mobile packet switching network, the existing mobile communication network environment is for the ring-back tone of realizing the VoIP speech business and the broadcast of prompt tone, a kind of possible method is to increase to wait other application servers as MRF (Multimedia Resource Function), thereby increases the complexity of system and increase the cost of realizing the VoIP speech business.
In view of this, when existing mobile communications network is not supported the broadcast of the ring-back tone of VoIP speech business and prompt tone, need provide a kind of effective ring-back tone and prompt tone implementation method and device.
Summary of the invention
The invention provides a kind of ring-back tone and prompt tone implementation method and device of VoIP voice communication system, can solve the technical problem that existing network is not supported the broadcast of the ring-back tone of VoIP speech business and prompt tone.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of ring-back tone and prompt tone implementation method of VoIP voice communication system are provided, comprise step:
1) calling party's call request that will comprise terminal called information sends to voip conversation control centre;
2) described voip conversation control centre sends to terminal called according to aforementioned terminal called information with call request;
3) described terminal called returns response message to voip conversation control centre, and voip conversation control centre sends to the calling party with response message;
4) after described calling party received response message from voip conversation control centre, judging whether provided ring-back tone or prompt tone by network, if, then by netcast; If not, then the calling party selects corresponding ring-back tone or prompt tone to play.
Preferably, described step 4) specifically comprises:
41) calling party judges whether carry SDP message in the response message; If then enter step 42); If not, then select corresponding ring-back tone or prompt tone to play;
42) judge whether to indicate by network in the described SDP message ring-back tone or prompt tone are provided, if, then by netcast; If not, then the calling party selects corresponding ring-back tone or prompt tone to play.
Preferably, described calling party is a portable terminal.
Preferably, described calling party comprises landline telephone, media gateway and Media Gateway Controller; Described step 4) comprises:
4a) Media Gateway Controller judges whether have SDP message from the response message that voip conversation control centre returns, and if not, then selects corresponding ring-back tone or prompt tone to play; If then enter step 4b);
4b) judge whether indication by netcast ring-back tone and prompt tone, if, then by netcast; If not, then select corresponding ringback tone or prompt tone to play to landline telephone by media gateway.
The present invention also provides a kind of ring-back tone and prompt tone implement device of VoIP voice communication system, it is characterized in that, comprising: ring-back tone and prompt tone broadcast unit are used for playing RBT and prompt tone; The response message resolution unit is used for the type of resolution response message; Ring-back tone and prompt tone playing control unit are used for according to the type control ring-back tone of aforementioned response message and the running of prompt tone broadcast unit.
Preferably, described device is arranged in the portable terminal.
Preferably, described ring-back tone and prompt tone broadcast unit are arranged in the media gateway; Described response message resolution unit, ring-back tone and prompt tone playing control unit are arranged in the Media Gateway Controller.
With respect to prior art, the invention has the beneficial effects as follows: because after calling party of the present invention received response message from voip conversation control centre, judging whether provided ring-back tone or prompt tone by network, if, then by netcast; If not, then the calling party selects corresponding ring-back tone or prompt tone to play.That is to say, under the situation that does not increase the existing network functional entity, realize the broadcast of the ring-back tone and the prompt tone of VoIP speech business by the calling party.Not only reduced and realized based on the cost of the VoIP speech business of mobile packet switching network but also simplified the complexity of system.
Description of drawings
Fig. 1 is based on the general frame figure of the VoIP voice communication system of CDMA 1X packet switching network;
Fig. 2 is the flow chart of ring-back tone of the present invention and prompt tone implementation method;
Fig. 3 is the flow chart of first embodiment of the invention;
Fig. 4 is the flow chart of second embodiment of the invention;
Fig. 5 is the flow chart of third embodiment of the invention;
Fig. 6 is the block diagram of ring-back tone of the present invention and prompt tone implement device.
Embodiment
Based on the existing mobile communication network environment, in conjunction with the characteristics of VoIP speech business, the present invention can realize the broadcast of the ring-back tone and the prompt tone of VoIP voice communication system.And, when mobile communications network is upgraded to third generation architectural framework, can automatically switches to by mobile communications network and come playing RBT and indication sound, and need not to make any change according to the R5 agreement of 3GPP.
See also Fig. 1, be based on the general frame figure of the VoIP voice communication system of CDMA 1X packet switching network.Wherein, portable terminal (MS) 110 is connected by setting up PPP (point-to-point protocol) between wireless network and the CDMA 1X Packet Switch Node (PDSN) 120, and the session control of VoIP business is responsible for by voip conversation control centre (Call Server) 130.
In Fig. 1, wireless network comprises base station transceiver (BTS) 170, base station controller (BSC)/Packet Control Function (PCF) 180.
Interface between portable terminal 110 and wireless network, promptly air interface is made up of Radio Link, MAC, LAC, PPP and IP layer.Wherein Radio Link is finished processes such as the coding of wireless channel and modulation, and MAC is meant the medium Access Layer, and LAC is meant the link Access Layer.These three layers common formation wireless channel.On wireless channel PPP, i.e. point-to-point protocol.From this layer protocol, the upper strata fully all is the IP protocol suite of ietf definition, comprising IP, and agreements such as TCP/UDP and WWW.
From the angle of the Internet, Packet Switch Node 120 is routers, and strengthens according to the characteristic of mobile communication, can transform realization on existing router basically, and is very favourable to carrying out data service.
According to the suggestion of IETF, PPP is generally used for the point-to-point link of low speed, so ppp protocol ends in the Packet Switch Node 120.The IP layer protocol connects VoIP control centre 130 and Packet Switch Node 120.
In the VoIP of mobile radio communication business procedure, portable terminal 110 is with after the mould/number conversion of analog voice signal process, carrying out encoding compression, convert condensed frame to the IP packet by certain packetization rules, be transferred to the Internet (Internet) by Packet Switch Node 120, the IP packet is routed to the Packet Switch Node (figure does not show) at called mobile terminal (figure does not show) place on Internet; Carry out data decompression at called mobile terminal, D/A switch is recovered to voice, thereby reach the purpose of voice communication.
When portable terminal 110 and landline telephone 140 intercommunications, when landline telephone 140 is caller, being responsible for analog signal conversion by media gateway 150 is digital signal and compression packing, become the packet voice signal that can on Internet, transmit, be sent to portable terminal 110 by Internet then.When landline telephone 140 when being called, carry out the unpacking of grouped data, decompress(ion) and decoding by media gateway 150, be reduced to the analog voice signal that can be identified, pass to landline telephone 140 by public telephone network (PSTN) again.
See also Fig. 1 and Fig. 2, the present invention is used for being implemented in the ring-back tone of VoIP business procedure of mobile radio communication and the broadcast of prompt tone, comprises step:
At first, calling party's call request that will comprise terminal called information sends to voip conversation control centre 130.Described terminal called information can be the data that phone number, mobile phone electronic string number or fixed telephone number or IP address etc. can indicate terminal called.
Among the present invention, described calling party can be a portable terminal 110, and this moment, terminal called was other portable terminals (figure does not show) or landline telephone 140 etc.; Described calling party also can be a fixed-line telephone network, and this moment, terminal called was a portable terminal 110.
Secondly, described voip conversation control centre 130 to terminal called, sends to terminal called with call request according to aforementioned terminal called information searching.
Subsequently, described terminal called returns response message to voip conversation control centre 130, and voip conversation control centre 130 sends to the calling party with response message.Described response message can be 180 Temporary Responses, 404 Not Found, 408 Request Timeout, 486 Busy Here, 503 Service Unavailable or the like.
Then, after described calling party received response message from voip conversation control centre 130, judging whether provided ring-back tone or prompt tone by network, if, then by netcast; If not, then the calling party selects corresponding ring-back tone or prompt tone to play.
Among the present invention,, then be responsible for judging and carrying out operation response by portable terminal 110 if the calling party is a portable terminal 110; If the calling party is a fixed-line telephone network, then be responsible for judging whether providing ring-back tone or prompt tone by network by Media Gateway Controller 160, if, then by netcast; If not, then by media gateway 150 to landline telephone 140 playing RBT and prompt tone.
For the ease of further understanding the present invention, be described in detail below in conjunction with specific embodiment.
Seeing also Fig. 3, is the first embodiment of the present invention.Do not support at network when the mobile terminal calling portable terminal, to realize the broadcast of ring-back tone and prompt tone with portable terminal under the situation of broadcast of ring-back tone and prompt tone.
When using VoIP professional, calling mobile terminal 110 checks whether have SDP (Session Description Protocol) message from the response that session control center 130 is returned; If have, judge whether that then indication is by netcast ring-back tone and prompt tone; If network is not supported the broadcast of ring-back tone and indication sound, so, according to the type of message of response, calling mobile terminal 110 selects corresponding the tinkle of bells or prompt tone to play.For example: when called mobile terminal 210 is received a call request, the beginning ring, and return 180 Temporary Responses; After calling mobile terminal 110 is received 180 Temporary Responses, judge whether to have SDP, and judge whether by netcast ring-back tone and prompt tone; If not, then calling mobile terminal 110 is selected corresponding the tinkle of bells, the beginning playing RBT.After called mobile terminal 210 is answered, stop playing RBT.If called mobile terminal 210 has shut down, then calling mobile terminal 110 selects " the other side shuts down " prompt tone to play.Concrete call flow under the situation of successful connection comprises:
F1～F3: calling mobile terminal 110 sends INVITE and asks VOIP session control center 130.
The IP address of called mobile terminal 210 is found according to called mobile terminal number in F4～F5:VoIP session control center 130, and the INVITE request is sent to called mobile terminal 210.
F6～F10: called mobile terminal 210 beginning rings, and send 180 Temporary Responses to calling mobile terminal 110.
F11: after calling mobile terminal 110 is received 180 Temporary Responses, judge whether sip message has SDP, and judge whether SDP indicates by netcast ring-back tone and prompt tone, if, calling mobile terminal 110 playing RBT not then, otherwise, calling mobile terminal 110 beginning playing RBT.
F12～F16: the called subscriber sends 200 ok and responds calling mobile terminal 110 after selecting to answer.
F17: calling mobile terminal 110 stops playing RBT after receiving 200 OK response.
F18～F21: calling mobile terminal 110 returns ACK and confirms.
F22: the calling and called both sides set up Media Stream, carry out voice call.
Seeing also Fig. 4, is the second embodiment of the present invention.Be used to that the mobile terminal calling portable terminal is described and continue the failure situation under concrete call flow.
F1～F3: calling mobile terminal 110 sends INVITE and asks voip conversation control centre 130.
The IP address of called mobile terminal 210 is found according to called mobile terminal number in F4～F5:VoIP session control center 130, and the INVITE request is sent to called mobile terminal 210.
F6～F10: called mobile terminal 210 beginning rings, and send 180 Temporary Responses to calling mobile terminal 110.
F11: after calling mobile terminal 110 is received 180 Temporary Responses, judge whether sip message has SDP, and judge whether SDP indicates by netcast ring-back tone and prompt tone, if, calling mobile terminal 110 playing RBT not then, otherwise, calling mobile terminal 110 beginning playing RBT.
F12～F16: the called subscriber sends 486 Busy and responds calling mobile terminal 110 after selecting refusal to answer.
F17: calling mobile terminal 110 stops playing RBT and changes the broadcast busy tone into after receiving 486 Busy response.
F18～F21: calling mobile terminal 110 returns ACK and confirms.End of calling.
Seeing also Fig. 5, is the third embodiment of the present invention.
Do not support at network under the situation of playing RBT and prompt tone that when portable terminal 110 and landline telephone 140 intercommunications, the broadcast of ring-back tone and prompt tone divides following two kinds of situations to realize.
1) when landline telephone 140 be called, portable terminal 110 is during for caller, the broadcast of ring-back tone and prompt tone is identical with first embodiment (mobile terminal calling portable terminal), comes playing RBT and prompt tone by portable terminal 110.
2) be caller when landline telephone 140, when portable terminal 110 be called, whether Media Gateway Controller 160 judgements had SDP from the response that session control center 130 is returned; If have, judge whether that then indication is by netcast ring-back tone and prompt tone; If network is not supported the broadcast of ring-back tone and indication sound, so, according to the type of message of response, media gateway 150 selects corresponding ringback tone or prompt tone to play to landline telephone 140.For example: when called (portable terminal 110) receives a call request, the beginning ring, and return 180 Temporary Responses; After Media Gateway Controller 160 is received 180 Temporary Responses, judge whether to have SDP, and judge whether by netcast ring-back tone and prompt tone; If not, then media gateway 150 is selected corresponding the tinkle of bells, and the beginning playing RBT is given landline telephone 140.After called answering, stop playing RBT.Concrete call flow under the situation of successful connection is as follows:
F1～F2: landline telephone 140 makes a call, and sends TUP/ISUP signaling IAM message to Media Gateway Controller 160.
F3: Media Gateway Controller 160 sends SIP signaling INVITE request message to session control center 130 according to called number.
F4～F5: session control center 130 sends SIP signaling INVITE request message to called mobile terminal 110.
F6～F9: called mobile terminal 110 beginning rings, and send 180 Temporary Responses to session control center 130, the session control center sends 180 Temporary Responses again to Media Gateway Controller 160.Media Gateway Controller 160 sends ACM message to landline telephone 140.
F10～F11: after called mobile terminal 110 returned 180 Temporary Responses, Media Gateway Controller 160 judged whether sip message has SDP, and judged whether SDP indicates by netcast ring-back tone and prompt tone; If, media gateway 150 playing RBT not then; Otherwise media gateway 150 beginning playing RBT are given landline telephone 140.
F12～F16: after called mobile terminal 110 is answered, send 200OK to Media Gateway Controller 160, Media Gateway Controller 160 sends ANM to landline telephone 140.
F17: media gateway 150 stops playing RBT.
F18～F20: Media Gateway Controller 160 returns ACK and confirms to portable terminal 110.
F21: the calling and called both sides set up Media Stream, carry out voice call.
See also Fig. 6, corresponding to described ring-back tone and prompt tone implementation method, the ring-back tone of VoIP voice communication system of the present invention and prompt tone implement device comprise: ring-back tone and prompt tone broadcast unit 310 are used for playing RBT and prompt tone; Response message resolution unit 320 is used for the type of resolution response message; Ring-back tone and prompt tone playing control unit 330 are used for according to the type control ring-back tone of aforementioned response message and the running of prompt tone broadcast unit 310.
Described ring-back tone and prompt tone implement device are positioned at the calling party, its concrete operation principle is: after the calling party receives response message from voip conversation control centre, response message resolution unit 320 is resolved described response message, ring-back tone and prompt tone playing control unit 330 judge whether to provide ring-back tone and prompt tone by network according to aforementioned analysis result, if, then by netcast, 310 ones of ring-back tone and prompt tone broadcast units are operated; If not, then notify ring-back tone and prompt tone broadcast unit 310 to select corresponding ring-back tone or prompt tone to play.
Be appreciated that described ring-back tone and prompt tone implement device are arranged in the portable terminal.And when relating to fixed-line telephone network, described ring-back tone and prompt tone broadcast unit 310 will be arranged in the media gateway; 330 of described response message resolution unit 320 and ring-back tone and prompt tone playing control unit are arranged in the Media Gateway Controller.
What need further specify is that when 3G was arrived in network upgrade, under the architectural framework of R5, during the broadcast of network support ring-back tone and prompt tone, the present invention did not need to do any change, just can automatically switch to use network to come playing RBT and prompt tone.
According to 3GPP R5 agreement, when the broadcast of network support ring-back tone and prompt tone, control and play by MRF or application server.When the selection of carrying out ring-back tone and prompt tone, control and broadcast, be to consult to realize by the SDP that in the sip message that carries out session control, carries.Therefore, in order to realize back compatible smoothly, and automatically switch to and use the ring-back tone that network provides or the broadcast of prompt tone.This VoIP system is when carrying out the broadcast of the tinkle of bells, can check the negotiation information whether ring-back tone or prompt tone are arranged among the SDP earlier, if do not have, then portable terminal or media gateway are responsible for the broadcast of ring-back tone or prompt tone, if the control of ring-back tone or prompt tone is arranged, then do not play, identical with general voip call flow process, control by network.
Be appreciated that the present invention is not limited only to the VoIP voice communication system based on CDMA 1X packet switching network, be applicable to the VoIP voice communication system that relates to other packet switching networks yet, this does not give unnecessary details.
The above only is a 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 (7)
1, a kind of ring-back tone of VoIP voice communication system and prompt tone implementation method is characterized in that, comprise step:
1) calling party's call request that will comprise terminal called information sends to voip conversation control centre;
2) described voip conversation control centre sends to terminal called according to aforementioned terminal called information with call request;
3) described terminal called returns response message to voip conversation control centre, and voip conversation control centre sends to the calling party with response message;
4) after described calling party received response message from voip conversation control centre, judging whether provided ring-back tone or prompt tone by network, if, then by netcast; If not, then the calling party selects corresponding ring-back tone or prompt tone to play.
2, the ring-back tone of VoIP voice communication system according to claim 1 and prompt tone implementation method is characterized in that, described step 4) specifically comprises:
41) calling party judges whether carry SDP message in the response message; If then enter step 42); If not, then select corresponding ring-back tone or prompt tone to play;
42) judge whether to indicate by network in the described SDP message ring-back tone or prompt tone are provided, if, then by netcast; If not, then the calling party selects corresponding ring-back tone or prompt tone to play.
3, the ring-back tone of VoIP voice communication system according to claim 1 and 2 and prompt tone implementation method, it is characterized in that: described calling party is a portable terminal.
4, the ring-back tone of VoIP voice communication system according to claim 1 and prompt tone implementation method is characterized in that, described calling party comprises landline telephone, media gateway and Media Gateway Controller; Described step 4) comprises:
4a) Media Gateway Controller judges whether have SDP message from the response message that voip conversation control centre returns, and if not, then selects corresponding ring-back tone or prompt tone to play; If then enter step 4b);
4b) judge whether indication by netcast ring-back tone and prompt tone, if, then by netcast; If not, then select corresponding ringback tone or prompt tone to play to landline telephone by media gateway.
5, a kind of ring-back tone of VoIP voice communication system and prompt tone implement device is characterized in that, comprising: ring-back tone and prompt tone broadcast unit are used for playing RBT and prompt tone; The response message resolution unit is used for the type of resolution response message; Ring-back tone and prompt tone playing control unit are used for according to the type control ring-back tone of aforementioned response message and the running of prompt tone broadcast unit.
6, the ring-back tone of VoIP voice communication system according to claim 5 and prompt tone implement device, it is characterized in that: described device is arranged in the portable terminal.
7, the ring-back tone of VoIP voice communication system according to claim 5 and prompt tone implement device is characterized in that: described ring-back tone and prompt tone broadcast unit are arranged in the media gateway; Described response message resolution unit, ring-back tone and prompt tone playing control unit are arranged in the Media Gateway Controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100584894A CN100477695C (en) | 2004-08-19 | 2004-08-19 | Method and device for realizing ring back tone and prompt tone of VoIP voice communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100584894A CN100477695C (en) | 2004-08-19 | 2004-08-19 | Method and device for realizing ring back tone and prompt tone of VoIP voice communication system |
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| CN1738338A true CN1738338A (en) | 2006-02-22 |
| CN100477695C CN100477695C (en) | 2009-04-08 |
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| CNB2004100584894A Expired - Fee Related CN100477695C (en) | 2004-08-19 | 2004-08-19 | Method and device for realizing ring back tone and prompt tone of VoIP voice communication system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010022621A1 (en) * | 2008-08-27 | 2010-03-04 | 华为技术有限公司 | Method for disposing the early media negotiation failure, and corresponding device, communication system |
| CN101068290B (en) * | 2007-07-03 | 2010-09-29 | 中兴通讯股份有限公司 | Realizing method for media gateway control protocol supporting incoming call blocking function |
| CN112188005A (en) * | 2019-07-03 | 2021-01-05 | 中国电信股份有限公司 | Ring back tone playing method and system and internetwork interconnection access control equipment |
| CN113905128A (en) * | 2021-09-08 | 2022-01-07 | 荣耀终端有限公司 | Call reminding method and terminal |
| CN114095887A (en) * | 2022-01-20 | 2022-02-25 | 荣耀终端有限公司 | Call abnormity prompting method, communication system, electronic equipment and medium |
| CN116170415A (en) * | 2023-04-19 | 2023-05-26 | 荣耀终端有限公司 | Call processing method, device and storage medium |
-
2004
- 2004-08-19 CN CNB2004100584894A patent/CN100477695C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068290B (en) * | 2007-07-03 | 2010-09-29 | 中兴通讯股份有限公司 | Realizing method for media gateway control protocol supporting incoming call blocking function |
| WO2010022621A1 (en) * | 2008-08-27 | 2010-03-04 | 华为技术有限公司 | Method for disposing the early media negotiation failure, and corresponding device, communication system |
| CN112188005A (en) * | 2019-07-03 | 2021-01-05 | 中国电信股份有限公司 | Ring back tone playing method and system and internetwork interconnection access control equipment |
| CN112188005B (en) * | 2019-07-03 | 2021-11-12 | 中国电信股份有限公司 | Ring back tone playing method and system and internetwork interconnection access control equipment |
| CN113905128A (en) * | 2021-09-08 | 2022-01-07 | 荣耀终端有限公司 | Call reminding method and terminal |
| CN113905128B (en) * | 2021-09-08 | 2022-09-20 | 荣耀终端有限公司 | Call reminding method and terminal |
| CN114095887A (en) * | 2022-01-20 | 2022-02-25 | 荣耀终端有限公司 | Call abnormity prompting method, communication system, electronic equipment and medium |
| CN116170415A (en) * | 2023-04-19 | 2023-05-26 | 荣耀终端有限公司 | Call processing method, device and storage medium |
| CN116170415B (en) * | 2023-04-19 | 2023-09-26 | 荣耀终端有限公司 | Call processing method, device and storage medium |
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| Publication number | Publication date |
|---|---|
| CN100477695C (en) | 2009-04-08 |
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