CN1553720A - Method for realizing delivery report business - Google Patents
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- CN1553720A CN1553720A CNA031369944A CN03136994A CN1553720A CN 1553720 A CN1553720 A CN 1553720A CN A031369944 A CNA031369944 A CN A031369944A CN 03136994 A CN03136994 A CN 03136994A CN 1553720 A CN1553720 A CN 1553720A
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Abstract
A method for implementing ring back tone service includes following steps: the home location register receives the user location request transmitted from the gateway mobile switching center, decides if the user signs agreement for ring back tone, if yes, the home location register transmits the message of ring back tone carrying the access code to the gateway mobile switching center; the gateway mobile switching center based on the message of ring back tone labels the call as the ring back tone call to make special process, then based on the access code of ring back tone, builds the calling branch, makes call connection to the ring back tone service server, builds the voice channel between the caller and ring back service server, the ring back tone service server based on the ring back tone customized by user plays the ring back tone to the caller, finishes the implementation procedure; otherwise, the home location register makes generic mobile calling procedure.
Description
Technical field
The present invention relates to the audible ringing tone service field, be meant a kind of method that in cordless communication network, realizes audible ringing tone service especially.
Background technology
Audible ringing tone service is meant the customization according to the called subscriber, plays the business of different the tinkle of bells to the calling subscriber, and promptly the called subscriber divides into groups calling subscriber's number to be provided with, and plays the ring-back tone of different music or other recording for the calling subscriber of different groups.The purpose of promoting audible ringing tone service is to replace common plodding ring-back tone with interesting to listen to music or other recording, demonstrates fully the personalized service of more and more advocating.
At present, audible ringing tone service is used widely abroad, but the internal radio communication Virtual network operator has just begun to pay close attention to the popularization of audible ringing tone service, does not also have the technical scheme of ripe realization audible ringing tone service.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method that realizes audible ringing tone service, its audible ringing tone service that can the support of wireless communication network provides is provided, be beneficial to the popularization of audible ringing tone service, and then make the user enjoy personalized service.
In order to achieve the above object, the invention provides a kind of method that realizes audible ringing tone service, GMSC (gateway mobile switching center) receives that the calling subscriber after the message related to calls that the called subscriber initiates, sends called subscriber's position requests to attaching position register, and the method includes the steps of:
After A, attaching position register are received called subscriber's position requests that described GMSC (gateway mobile switching center) sends, judge called subscriber's audible ringing tone service of whether contracting, if, execution in step B, otherwise attaching position register carries out general mobile calls handling process;
B, attaching position register send called subscriber's audible ringing tone service information to described gateway Mobility Center, carry the audible ringing tone service access code in this audible ringing tone service information;
C, described gateway Mobility Center are according to described audible ringing tone service access code, with call proceeding to the audible ringing tone service server, set up the speech channel between calling subscriber and audible ringing tone service server, the audible ringing tone service server is according to the ring-back tone of called subscriber's customization, play and the corresponding ring-back tone of this calling subscriber to the calling subscriber, finish the realization flow of audible ringing tone service.
Described step B further may further comprise the steps:
B1, attaching position register judge whether described GMSC (gateway mobile switching center) supports audible ringing tone service, if, execution in step B5, otherwise, execution in step B2;
B2, attaching position register distribute virtual roaming number for the called subscriber, and the virtual roaming number that distributes is sent to described GMSC (gateway mobile switching center);
B3, described GMSC (gateway mobile switching center) are according to the GMSC (gateway mobile switching center) of the virtual roaming number that is distributed with call proceeding to a support audible ringing tone service;
The GMSC (gateway mobile switching center) of B4, this support audible ringing tone service to attaching position register send carry distribute called subscriber's position requests of virtual roaming number;
B5, homing position memory send the called subscriber's audible ringing tone service information that carries the audible ringing tone service access code to described gateway Mobility Center.
Described step B2 further comprises: attaching position register is for after the called subscriber distributes virtual roaming number, the storage called subscriber and distribute corresponding relation between virtual roaming number.
Described step B3 further comprises: described GMSC (gateway mobile switching center) sends the message related to calls that carries described virtual roaming number according to the virtual roaming number that is distributed to the GMSC (gateway mobile switching center) of a support audible ringing tone service, and call proceeding is supported the GMSC (gateway mobile switching center) of audible ringing tone service to this.
Described step B5 further comprises: attaching position register is before the gateway Mobility Center of supporting audible ringing tone service sends called subscriber's audible ringing tone service information, according to the called subscriber of its storage and distribute corresponding relation between virtual roaming number, search and the corresponding called subscriber of this virtual roaming number, gateway Mobility Center to a support audible ringing tone service returns the called subscriber's audible ringing tone service information that carries called user information and audible ringing tone service access code then.
Described step C further comprises: described GMSC (gateway mobile switching center) is removed the speech channel between calling subscriber and audible ringing tone service server, and call proceeding to the called subscriber, is set up the speech channel between calling subscriber and called subscriber.
Described gateway Mobility Center to the audible ringing tone service server, judges whether the called subscriber is in idle condition with call proceeding, if, with call proceeding to the audible ringing tone service server; Otherwise, visit transfer the center Play System that moves default sound is set.
By described audible ringing tone service access code sign audible ringing tone service server routing iinformation.
Support the gateway Mobility Center routing iinformation of audible ringing tone service by described virtual roaming number sign.
Described virtual roaming number comprise with normal mobile calls process in the sign distinguished mutually of the roaming number that distributes.
Described called subscriber is signatory audible ringing tone service on attaching position register in advance, described home location register stores called subscriber's CAMEL-Subscription-Information.
Method by the present invention's proposition, need newly-increased in the cordless communication network and improved equipment seldom, just can realize support to audible ringing tone service, and when realizing audible ringing tone service, substantially there is not alternative channel, and guarantee the called subscriber under any circumstance, can realize audible ringing tone service equally, be beneficial to very much the extensive popularization of audible ringing tone service.Wireless communication network operators can for the user provides personalized service, make it be in leading position of the same trade aspect differentiated service and the personalized service by the popularization of audible ringing tone service, further promotes the corporate image of wireless communication network operators.For the called subscriber, audible ringing tone service makes it enjoy sufficient personalized service, fully represents the individual character and the grade of its independent body; For the calling subscriber, what audible ringing tone service made that it hears in the process that Waiting for Call continues is interesting to listen to music or other recording, and no longer is dull ring-back tone, makes it enjoy humanized service.
Description of drawings
Fig. 1 is for realizing the wireless communication network architecture schematic diagram of audible ringing tone service among the present invention;
Fig. 2 is audible ringing tone service implementation procedure flow chart among the present invention;
Fig. 3 is an embodiment message interaction process figure among the present invention;
Fig. 4 is another embodiment message interaction process figure among the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The realization of audible ringing tone service needs the collaborative work of equipment in the communication network, because the communication during the cordless communication network support is moved, therefore, in cordless communication network, the realization of audible ringing tone service needs the collaborative work this point of equipment in the cordless communication network more obvious.In the present invention, only need the attaching position register in the cordless communication network (HLR) and one of them GMSC (gateway mobile switching center) (GMSC) are improved, by GMSC and the audible ringing tone service server (RBTS after improving, Ring Back ToneService) information interaction between realizes the audible ringing tone service in the cordless communication network.Describe the present invention realizes audible ringing tone service in cordless communication network technical scheme below in detail.
Fig. 1 is for realizing the wireless communication network architecture schematic diagram of audible ringing tone service among the present invention, as shown in Figure 1, the cordless communication network that can realize audible ringing tone service mainly comprises: support audible ringing tone service HLR101, support audible ringing tone service GMSC 102, do not support GMSC 105, the RBTS103 of audible ringing tone service and business that plane 104 is provided.Cordless communication network comprises the GMSC (gateway mobile switching center) 105 of not supporting audible ringing tone service more than one.Support the GMSC (gateway mobile switching center) 102 of audible ringing tone service can be positioned at identical wireless communication network planning zone, also can be positioned at different wireless communication network planning zones with the GMSC (gateway mobile switching center) 105 of not supporting audible ringing tone service.RBTS 103 and business provide plane 104 can be positioned at intelligent network, also can be to increase newly on cordless communication network.RBTS 103 stores the relevant information of called subscriber's customization of ring back tone service, for example, and with the corresponding ring-back tone setting of calling subscriber.HLR 101 is the HLR under the called subscriber, stores called subscriber's relevant information.The called subscriber is signatory audible ringing tone service on HLR 101, comprise the RBTS access code in called subscriber's the CAMEL-Subscription-Information, the RBTS access code can identify the routing iinformation of RBTS 103, make support audible ringing tone service GMSC102 according to the RBTS access code with call proceeding to RBTS 103, set up the speech channel of 103 of calling subscriber and RBTS, RBTS 103 plays and the corresponding ring-back tone of this calling subscriber to the calling subscriber according to the ring-back tone of called subscriber's customization.
The HLR that below mentions is the HLR that supports audible ringing tone service.
Fig. 2 is audible ringing tone service implementation procedure flow chart among the present invention, and as shown in Figure 2, the implementation procedure of audible ringing tone service may further comprise the steps:
After step 201～step 202:HLR receives called subscriber's position requests that GMSC sends,, judge whether signatory audible ringing tone service of this called subscriber according to the called number that carries in called subscriber's position requests, if, execution in step 203; Otherwise, execution in step 218.
Step 203:HLR judges whether the GMSC that sends called subscriber's position requests supports audible ringing tone service, if, execution in step 208; Otherwise, execution in step 204.
Step 204～step 208:HLR distributes virtual roaming number for the called subscriber, and the corresponding relation between storage called subscriber and the virtual roaming number, send virtual roaming number to the GMSC that does not support audible ringing tone service then, the GMSC that does not support audible ringing tone service according to the virtual roaming number that is distributed with call proceeding to the GMSC that supports audible ringing tone service.Support the GMSC of audible ringing tone service to send called subscriber's position requests to HLR, HLR is the virtual roaming number that distributes from as the called subscriber according to what carry in called subscriber's position requests, finds and the corresponding called subscriber of this virtual roaming number.
For making the GMSC that does not support audible ringing tone service can be with call proceeding to the GMSC that supports audible ringing tone service, HLR distributes virtual roaming number for the called subscriber, this virtual roaming number can identify the routing iinformation of the GMSC that supports audible ringing tone service, and comprise the sign that to distinguish mutually with the roaming number that distributes in the normal calling procedure in this virtual roaming number, for example the prefix sign.Do not support this virtual-number that the GMSC of audible ringing tone service can pass through to be distributed, find the route that can arrive the GMSC that supports audible ringing tone service, so with call proceeding to the GMSC that supports audible ringing tone service.
Step 209～step 212:HLR to the GMSC that supports audible ringing tone service send called number, with corresponding general information of called subscriber and audible ringing tone service information, carry the RBTS access code in the audible ringing tone service information.By GMSC, the HLR of support audible ringing tone service and the information interaction between Visited Mobile Switching Center (VMSC), after the GMSC of support audible ringing tone service obtains called subscriber's roaming number, make a call to VMSC, VMSC and base station (BSC) replay call, VMSC sends to the GMSC that supports audible ringing tone service and calls out Indication message then.After the GMSC of support audible ringing tone service receives the calling Indication message of VMSC transmission, judge according to the User Status sign of calling out in the Indication message whether the called subscriber is idle, if, execution in step 213; Otherwise, execution in step 217.The busy state of user not only comprises the user and is in the conversation busy condition, also can comprise some abnormal conditions, for example, called subscriber's out of reach, the called subscriber is in off-mode.
Step 213～step 216: the RBTS access code that carries in the audible ringing tone service information that the GMSC that supports audible ringing tone service provides according to HLR, call proceeding to RBTS, is set up the speech channel between calling subscriber and RBTS.RBTS plays and the corresponding ring-back tone of this calling subscriber to the calling subscriber according to the ring-back tone of called subscriber's customization.After the GMSC of support audible ringing tone service receives the call answering message of VMSC transmission, remove the speech channel between calling subscriber and RBTS, and with call proceeding to the called subscriber, set up the speech channel between calling subscriber and called subscriber, subsequent processes is identical with the general calling process.
Step 217:VMSC Play System is default is provided with sound, for example, the line is busy busy tone, or you dial the voice suggestion of the subscriber absent that cries.
Step 218:HLR proceeds the handling process of general mobile calls.
This shows no matter call out wherein and initiate, as long as the signatory audible ringing tone service of called subscriber, the method by the present invention proposes can both realize audible ringing tone service.
Realize that in wireless network each equipment room need carry out interacting message, is example with code division multiple access (CDMA) cordless communication network below in the process of audible ringing tone service, carry out message interaction process and describe.
Fig. 3 is an embodiment message interaction process figure among the present invention, the GMSC that sends called subscriber's position requests in the present embodiment supports audible ringing tone service, as shown in Figure 3, the message flow of supporting the GMSC of audible ringing tone service to send the called subscriber's position requests that starts may further comprise the steps:
Step 301～step 302: support the GMSC of audible ringing tone service to receive, carry sign called subscriber's mobile number book (MDN) in this IAI message to the initial address message (IAI) of the initial call message band additional information of called subscriber's initiation; The GMSC that supports audible ringing tone service then sends LOC_REQ message by the portable terminal trigger (Mobile_Termination) in the trigger position request message (LOC_REQ) to HLR, carries sign called subscriber's MDN in this LOC_REQ message.
After step 303:HLR receives LOC_REQ message, earlier judge called subscriber's audible ringing tone service of whether contracting according to the MDN that carries in the LOC_REQ message, the audible ringing tone service if the called subscriber contracts, then continue to judge the GMSC that sends LOC_REQ message and support audible ringing tone service, execution in step 304 then; If the not signatory audible ringing tone service of called subscriber then carries out the general calling handling process.
Step 304:HLR sends position request response message (loc_req) by triggering to the GMSC that supports audible ringing tone service, carry general information and audible ringing tone service information in this loc_req message, audible ringing tone service information comprise the MDN that identifies the called subscriber, with corresponding RBTS access code of called subscriber and location trigger (LOCATION).
Step 305: when the called subscriber was intelligent subscriber, the Service Control Point of GMSC and intelligent network carried out alternately, to handle this called subscriber's IN service.If the called subscriber is non intelligent user, then this step can be omitted.
Step 306～step 311: the GMSC that supports audible ringing tone service sends LOC_REQ message by triggering the LOCATION trigger to HLR, carries sign called subscriber's MDN in this LOC_REQ message.HLR sends route request information (ROUTREQ) to VMSC, carries mobile identification code (MIN) in this ROUTREQ message; VMSC sends route requests response message (routreq) to HLR then, carry called subscriber's roaming number (TLDN) in this routreq message, HLR sends loc_req message to the GMSC that supports audible ringing tone service, carries called subscriber's TLDN in this loc_req message.Support the GMSC of audible ringing tone service to send IAI message, carry called subscriber's TLDN in this IAI message to VMSC.VMSC and BSC replay call, VMSC sends Address Complete Message (ACM) to the GMSC that supports audible ringing tone service then.Support the GMSC of audible ringing tone service judges according to the User Status sign that carries in the ACM message whether the called subscriber is in idle condition, if, execution in step 312; Otherwise the VMSC Play System is default is provided with sound, for example voice suggestion or the line is busy busy tone.
Step 312～step 314: the RBTS access code that the GMSC of support audible ringing tone service provides according to HLR, send IAI message to RBTS, set up the speech channel between calling subscriber and RBTS.RBTS plays and the corresponding ring-back tone of this calling subscriber to the calling subscriber according to the ring-back tone of called subscriber's customization.
Step 315～step 316:RBTS sends ACM message to the GMSC that supports audible ringing tone service, supports the GMSC of audible ringing tone service to send ACM message to the calling subscriber.
Step 317～step 319:BSC sends terminal responds message (CONNECT) to VMSC, and VMSC sends response message (ANC) to the GMSC that supports audible ringing tone service, supports the GMSC of audible ringing tone service to send ANC message to the calling subscriber.
Step 320～step 321: support the GMSC of audible ringing tone service to send dismounting speech channel message (REL) to RBTS, RBTS sends release guard message (RLG) to the GMSC that supports audible ringing tone service, sets up the speech channel between calling subscriber and called subscriber.
Fig. 4 is another embodiment message interaction process figure among the present invention, the GMSC that sends the called subscriber's position requests that starts in the present embodiment does not support audible ringing tone service, as shown in Figure 4, do not support the message flow of the GMSC transmission called subscriber position requests of audible ringing tone service may further comprise the steps:
After step 403:HLR receives LOC_REQ message, earlier judge called subscriber's audible ringing tone service of whether contracting according to the MDN that carries in the LOC_REQ message, the audible ringing tone service if the called subscriber contracts, continue to judge the GMSC that sends LOC_REQ message and do not support audible ringing tone service, then distribute virtual TLDN for the called subscriber, and the corresponding relation between storage called subscriber and the virtual roaming number, execution in step 404 then; If the not signatory audible ringing tone service of called subscriber then carries out the general calling handling process.
Step 422～step 425:BSC sends CONNECT message to VMSC, VMSC sends ANC message to the GMSC that supports audible ringing tone service, support the GMSC of audible ringing tone service to send ANC message, do not support the GMSC of audible ringing tone service to send ANC message to the calling subscriber to the GMSC that does not support audible ringing tone service.
Step 426～step 427 is basic identical with step 320～step 321.
The present invention can be applicable to the cordless communication network of various standards, and when being applied to concrete cordless communication network, nuance only is that interactive messages may be different, and is identical for the overall technical architecture that realizes audible ringing tone service.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (11)
1, a kind of method that realizes audible ringing tone service, GMSC (gateway mobile switching center) receive that the calling subscriber after the message related to calls that the called subscriber initiates, sends called subscriber's position requests to attaching position register, it is characterized in that the method includes the steps of:
After A, attaching position register are received called subscriber's position requests that described GMSC (gateway mobile switching center) sends, judge called subscriber's audible ringing tone service of whether contracting, if, execution in step B, otherwise attaching position register carries out general mobile calls handling process;
B, attaching position register send called subscriber's audible ringing tone service information to described gateway Mobility Center, carry the audible ringing tone service access code in this audible ringing tone service information;
C, described gateway Mobility Center are according to described audible ringing tone service access code, with call proceeding to the audible ringing tone service server, set up the speech channel between calling subscriber and audible ringing tone service server, the audible ringing tone service server is according to the ring-back tone of called subscriber's customization, play and the corresponding ring-back tone of this calling subscriber to the calling subscriber, finish the realization flow of audible ringing tone service.
2, method according to claim 1 is characterized in that described step B further may further comprise the steps:
B1, attaching position register judge whether described GMSC (gateway mobile switching center) supports audible ringing tone service, if, execution in step B5, otherwise, execution in step B2;
B2, attaching position register distribute virtual roaming number for the called subscriber, and the virtual roaming number that distributes is sent to described GMSC (gateway mobile switching center);
B3, described GMSC (gateway mobile switching center) are according to the GMSC (gateway mobile switching center) of the virtual roaming number that is distributed with call proceeding to a support audible ringing tone service;
The GMSC (gateway mobile switching center) of B4, this support audible ringing tone service to attaching position register send carry distribute called subscriber's position requests of virtual roaming number;
B5, homing position memory send the called subscriber's audible ringing tone service information that carries the audible ringing tone service access code to described gateway Mobility Center.
3, method according to claim 2 is characterized in that described step B2 further comprises: attaching position register is for after the called subscriber distributes virtual roaming number, the storage called subscriber and distribute corresponding relation between virtual roaming number.
4, method according to claim 2, it is characterized in that described step B3 further comprises: described GMSC (gateway mobile switching center) sends the message related to calls that carries described virtual roaming number according to the virtual roaming number that is distributed to the GMSC (gateway mobile switching center) of a support audible ringing tone service, and call proceeding is supported the GMSC (gateway mobile switching center) of audible ringing tone service to this.
5, method according to claim 3, it is characterized in that described step B5 further comprises: attaching position register is before the gateway Mobility Center of supporting audible ringing tone service sends called subscriber's audible ringing tone service information, according to the called subscriber of its storage and distribute corresponding relation between virtual roaming number, search and the corresponding called subscriber of this virtual roaming number, support the gateway Mobility Center of audible ringing tone service to return the called subscriber's audible ringing tone service information that carries called user information and audible ringing tone service access code to one then.
6, method according to claim 1, it is characterized in that described step C further comprises: described GMSC (gateway mobile switching center) is removed the speech channel between calling subscriber and audible ringing tone service server, call proceeding to the called subscriber, is set up the speech channel between calling subscriber and called subscriber.
7, method according to claim 1, it is characterized in that described step C further comprises: described gateway Mobility Center with call proceeding to the audible ringing tone service server, judge whether the called subscriber is in idle condition, if, with call proceeding to the audible ringing tone service server; Otherwise the Visited Mobile Switching Center Play System is default is provided with sound.
8, method according to claim 1 is characterized in that: by described audible ringing tone service access code sign audible ringing tone service server routing iinformation.
9, method according to claim 2 is characterized in that: the gateway Mobility Center routing iinformation of supporting audible ringing tone service by described virtual roaming number sign.
10, method according to claim 2 is characterized in that: described virtual roaming number comprise with normal mobile calls process in the sign distinguished mutually of the roaming number that distributes.
11, method according to claim 1 is characterized in that: described called subscriber is signatory audible ringing tone service on attaching position register in advance, described home location register stores called subscriber's CAMEL-Subscription-Information.
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031369944A CN1310530C (en) | 2003-05-26 | 2003-05-26 | Method for realizing delivery report business |
| JP2006529557A JP4874799B2 (en) | 2003-05-15 | 2004-05-17 | System and method for providing RBT (ringing tone) in a communication network |
| EP07120478.8A EP1914970B1 (en) | 2003-05-15 | 2004-05-17 | System and method for providing customizable RingBack Tones in a communication network |
| RU2005140545/09A RU2323539C2 (en) | 2003-05-15 | 2004-05-17 | System and method for providing tone signals of call return in a communication network |
| EP04733299A EP1705885B1 (en) | 2003-05-15 | 2004-05-17 | A system and method for providing rbt in communication network |
| IN923DEN2012 IN2012DN00923A (en) | 2003-05-15 | 2004-05-17 | |
| PCT/CN2004/000499 WO2004102940A1 (en) | 2003-05-15 | 2004-05-17 | A system and method for providng rbt in communication network |
| KR1020057021812A KR100725216B1 (en) | 2003-05-15 | 2004-05-17 | A system and method for providing rbt in communication network |
| CA2523909A CA2523909C (en) | 2003-05-15 | 2004-05-17 | A system and method for providing rbt in communication network |
| US11/274,939 US7889856B2 (en) | 2003-05-15 | 2005-11-15 | System and method for providing RBT in communication network |
| RU2007147831/09A RU2378787C2 (en) | 2003-05-15 | 2007-12-25 | System and method of providing call return tone signals in communication network |
| JP2010003407A JP5208977B2 (en) | 2003-05-15 | 2010-01-08 | System and method for providing a ringing tone |
| US12/877,483 US8824657B2 (en) | 2003-05-15 | 2010-09-08 | Providing ring back tones in a communication network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031369944A CN1310530C (en) | 2003-05-26 | 2003-05-26 | Method for realizing delivery report business |
Publications (2)
| Publication Number | Publication Date |
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| CN1553720A true CN1553720A (en) | 2004-12-08 |
| CN1310530C CN1310530C (en) | 2007-04-11 |
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|---|---|---|---|
| CNB031369944A Expired - Lifetime CN1310530C (en) | 2003-05-15 | 2003-05-26 | Method for realizing delivery report business |
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| WO2007003124A1 (en) * | 2005-06-30 | 2007-01-11 | Huawei Technologies Co., Ltd. | A method for controlling ring back tone and system, service capability gateway and application server thereof |
| US8005484B2 (en) | 2005-09-14 | 2011-08-23 | Huawei Technologies Co., Ltd. | Method and system for providing location information |
| WO2007030991A1 (en) * | 2005-09-14 | 2007-03-22 | Huawei Technologies Co., Ltd. | A method for providing location information and system thereof and a ring back tone device |
| CN101160938B (en) * | 2005-09-14 | 2011-06-15 | 华为技术有限公司 | Method and system of providing position information and a ring back tone equipment |
| CN101416479B (en) * | 2005-11-24 | 2012-10-10 | 梅塔斯威驰网络有限公司 | Customised playback telephony services |
| US8478246B2 (en) | 2005-12-17 | 2013-07-02 | Huawei Technologies Co., Ltd. | Method and system for providing real time ringback tone, and terminal thereof |
| CN1859481B (en) * | 2005-12-25 | 2010-12-08 | 华为技术有限公司 | System and method for opening audible ringing tone service |
| US8060055B2 (en) | 2006-01-17 | 2011-11-15 | Huawei Technologies Co., Ltd. | Method, system and color ring back tone platform for downloading media resources to terminal |
| CN101060562B (en) * | 2006-04-18 | 2011-04-06 | 华为技术有限公司 | A method for realizing the gateway office individual ring back tone sound |
| CN1984179B (en) * | 2006-06-01 | 2011-02-16 | 华为技术有限公司 | Method and system for realizing color bell sound echo in soft switch |
| US8254871B2 (en) | 2007-03-22 | 2012-08-28 | Huawei Technologies Co., Ltd. | Method and system for playing ring back tone, home location register and mobile switching center |
| WO2008113282A1 (en) * | 2007-03-22 | 2008-09-25 | Huawei Technologies Co., Ltd. | A ring back tone playing method and system, a home location register and a mobile switching center |
| WO2008154837A1 (en) * | 2007-06-21 | 2008-12-24 | Huawei Technologies Co., Ltd. | Method and system for implementing crbt |
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| CN101150759B (en) * | 2007-10-16 | 2012-03-07 | 中兴通讯股份有限公司 | Method and system for characteristic vibration ring notification service |
| CN101521861B (en) * | 2008-02-26 | 2013-04-24 | 华为技术有限公司 | A method, system and device for implementing the Color Ring Back Tone service |
| CN102131312B (en) * | 2010-01-20 | 2014-01-08 | 中国电信股份有限公司 | Playing method and method of customized polyphonic ringtone during roaming |
| CN102217339A (en) * | 2011-04-28 | 2011-10-12 | 华为技术有限公司 | Call callback billing method and service control equipment |
| CN110839114A (en) * | 2018-08-15 | 2020-02-25 | 中华电信股份有限公司 | Active marketing music system and method using answer bell feedback |
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