A kind of method of playing Comfort Noise Generation (CNG)
Technical field
The invention belongs to the voice communication technical field, relate in particular to a kind of method of playing Comfort Noise Generation (CNG).
Background technology
Current, along with the continuous development of telecommunication technology, people also improve for the requirement of telecommunications service day by day, and the telecommunications service of many personalizations are emerged in large numbers thus, and Coloring Ring Back Tone is exactly one of these telecommunications personalized services.Coloring Ring Back Tone also is Ring Back Tone service, registered should business the user when calling out a side user, can replace originally common ring-back tone with one section voice of prior customization, thereby satisfy the needs of user individual to calling subscriber's transmission.Employing should business; People are when calling; Can no longer only hear and be similar to the traditional ringback sound of the dullness of " pouting--toot--", but user that can the uppick custom-tailoring color ring service or the Comfort Noise Generation (CNG) like a section music, advertisement or message that operator customized.
In the prior art; Through CRBT center continue calling subscriber and called subscriber; When the called subscriber was in idle condition, this CRBT center suppressed called subscriber's switch fully to the transmission ring-back tone that the calling subscriber sent, simultaneously; The Comfort Noise Generation (CNG) of customization is in advance directly play to the calling subscriber in this CRBT center, thereby realizes Ring Back Tone service.Though the prior art can realize realizing Ring Back Tone service by playing Comfort Noise Generation (CNG),, the prior art has following shortcoming:
Because in this prior art, the CRBT center suppresses traditional ring-back tone fully, therefore; The calling subscriber will no longer hear traditional ring-back tone, but directly hear the Comfort Noise Generation (CNG) of customization, if the calling subscriber does not understand Ring Back Tone service; Will feel more unexpected, and might think the phone of having misplayed by mistake, perhaps think by mistake in coloring ring back tone playing, to have begun charging; Thereby cause calling subscriber's misunderstanding, cause the service quality of Ring Back Tone service to descend.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of playing Comfort Noise Generation (CNG), adopts this method; Before playing the Comfort Noise Generation (CNG) of customization to the calling subscriber; Earlier play traditional ring-back tone and/or system prompt sound to the calling subscriber, perhaps, to using the calling subscriber of Ring Back Tone service to play traditional ring-back tone and/or system prompt sound for the first time; And then the broadcast Comfort Noise Generation (CNG), the calling subscriber who used Ring Back Tone service is then play-overed Comfort Noise Generation (CNG); By the way, make the calling subscriber no longer feel perhaps to misunderstand suddenly, thereby improve the service quality of Ring Back Tone service the Comfort Noise Generation (CNG) of being play.
For realizing above-mentioned purpose, the invention provides a kind of method of playing Comfort Noise Generation (CNG), this method may further comprise the steps:
Steps A 0: receive calling subscriber's dialing signal, judge that calling subscriber or called subscriber are the user's execution in step A that has registered Ring Back Tone service;
Steps A: judge whether the called subscriber in this time calling out is in idle condition, if, execution in step B then, otherwise, play the corresponding prompt sound to the calling subscriber, and process ends;
Step B: set up the communication line between switch and the CRBT center, play traditional ringback sound and/or system prompt sound, then, play the Comfort Noise Generation (CNG) of customization by mind-set calling subscriber in the CRBT to the calling subscriber.
Wherein, this method further comprises:
Through the service management flow in the communication system, preestablish said traditional ringback sound reproduction time section.
Wherein, saidly preestablish the time period and be:
For each the Ring Back Tone service user in the communication system is provided with unified time length as said traditional ringback sound reproduction time section.
Wherein, saidly preestablish the time period and be:
For each color ring user in the communication system is provided with the time period that different time length is play as traditional ringback sound separately respectively.
Wherein, this method further comprises:
Through the service management flow in the communication system, change said traditional ringback sound reproduction time section.
Wherein, this method further comprises:
Set in advance or change said system prompt sound.
Wherein, after the step B, this method further comprises:
Judge the called subscriber whether reply by off-hook; If, then stop to play the Comfort Noise Generation (CNG) of customization, realize conversation between the calling and called user; Otherwise; Continue to play the Comfort Noise Generation (CNG) of customization, reply, realize conversation between the calling and called user and stop to play the Comfort Noise Generation (CNG) of customization until called subscriber's off-hook.
Wherein, after the step B, this method further comprises:
Judge the called subscriber whether reply by off-hook, if then realize conversation between the calling and called user, and continue to play Comfort Noise Generation (CNG) that this ring-back tone is as the background music of conversing between calling subscriber and the called subscriber.
Wherein, realize between the said calling and called user that conversation and continuation broadcast Comfort Noise Generation (CNG) further comprise:
The volume of the Comfort Noise Generation (CNG) that increases or reduce to be play.
Wherein, playing the Comfort Noise Generation (CNG) that customizes comprises:
The CRBT center suppresses the traditional ringback sound that called subscriber's switch sends to calling subscriber's switch, and plays the Comfort Noise Generation (CNG) of customization to the calling subscriber.
The present invention also provides a kind of method of playing Comfort Noise Generation (CNG), if calling subscriber or called subscriber are the user who has registered Ring Back Tone service, this method may further comprise the steps:
Step C: judge whether the called subscriber in this time calling out is in idle condition, if, execution in step D then, otherwise, play the prompt tone that the user does to the calling subscriber, and process ends;
Step D: judge whether the calling subscriber had used Ring Back Tone service, if, then directly play the Comfort Noise Generation (CNG) of customization to the calling subscriber, otherwise, execution in step E;
Step e: play traditional ringback sound and/or system prompt sound to the calling subscriber, then, play the Comfort Noise Generation (CNG) of customization and with this calling subscriber identification for using Ring Back Tone service.
Wherein, a multimedia bell information table is set in advance, preserves the rear subscriber number information of having used Ring Back Tone service in this table at least, whether the said calling subscriber of judgement of step D had used Ring Back Tone service to be:
Whether judgement preserves current calling subscriber's number information in the multimedia bell information table, if then this calling subscriber had used Ring Back Tone service, otherwise this calling subscriber did not use Ring Back Tone service;
Step e is said with this calling subscriber identification for using Ring Back Tone service to be:
In this multimedia bell information table, increase this calling subscriber's number information.
Wherein, said multimedia bell information table further comprises called number information, and whether the said calling subscriber of judgement of step D had used Ring Back Tone service to be:
Judge rear subscriber number information and called number information in this time calling out whether in this multimedia bell information table, if then this calling subscriber had used Ring Back Tone service, otherwise this calling subscriber did not use Ring Back Tone service;
Step e is said with this calling subscriber identification for using Ring Back Tone service to be:
In this multimedia bell information table, increase this calling subscriber and called subscriber's number information.
It is thus clear that the present invention has following beneficial effect:
Because the present invention is in the process that realizes Ring Back Tone service; Play traditional ring-back tone and/or system prompt sound earlier; And then play the Comfort Noise Generation (CNG) of customization, make the user who did not use Ring Back Tone service can when using Ring Back Tone service for the first time, not feel suddenly or misunderstand; The invention enables and can control the broadcast of Comfort Noise Generation (CNG), and for Ring Back Tone service provides Comfort Noise Generation (CNG) broadcast mode more freely, thereby improved the service quality of Ring Back Tone service, help promoting the use of rapidly of Ring Back Tone service.
Description of drawings
Fig. 1 is for realizing the communication system block diagram of Ring Back Tone service.
Fig. 2 is a flow chart of realizing playing Comfort Noise Generation (CNG) in one embodiment of the invention.
Fig. 3 is a flow chart of realizing playing Comfort Noise Generation (CNG) in one embodiment of the invention.
Embodiment
The present invention is a kind of method of playing Comfort Noise Generation (CNG), in the method, plays traditional ring-back tone and/or system prompt sound earlier, and then plays the Comfort Noise Generation (CNG) of customization; Perhaps, for the calling subscriber who uses for the first time Ring Back Tone service, play traditional ring-back tone and/or system prompt sound earlier, and then play the Comfort Noise Generation (CNG) of customization, and, then play-over Comfort Noise Generation (CNG) for the calling subscriber who used Ring Back Tone service.
Describe the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1, calling subscriber's switch judges according to dialing information whether calling subscriber or called subscriber are the user who has registered Ring Back Tone service by communication system after receiving calling subscriber's dialing signal; If; Then calling subscriber's switch is initiated to called subscriber's calling, judges whether the called subscriber is in idle condition, if not; Then calling subscriber's switch according to called subscriber busy, can't connect or off-mode, play the corresponding prompt sound to the calling subscriber; If the called subscriber is in idle condition; Then calling subscriber's switch is initiated to the calling at CRBT center; And via the communication line between this CRBT center foundation and the called subscriber's switch, CRBT center and switch are realized the broadcast of Comfort Noise Generation (CNG) according to following mode:
Mode one: called subscriber's switch is play traditional ring-back tone via mind-set calling subscribe switch in the CRBT; After through one predefined period; The CRBT center suppresses the traditional ringback sound that called subscriber's switch is sent; And begin to play after the system prompt sound to calling subscribe's switch Play System prompt tone, play the Comfort Noise Generation (CNG) of customization again to calling subscribe's switch; Wherein, The system prompt sound is generally the prompt tone of " connect, just a moment,please waits " a type, also can carry out personalized setting or change based on user's needs; Utilize the prompting of this prompt tone that the calling subscribe is pointed out, the Comfort Noise Generation (CNG) of playing is subsequently misunderstood avoiding;
Mode two: whether CRBT center at first inquiring calling user is the user who had used Ring Back Tone service; If; Then the CRBT center directly suppresses the traditional ringback sound that called subscriber's switch is sent, and directly plays the Comfort Noise Generation (CNG) of customization to calling subscriber's switch; Otherwise called subscriber's switch is play traditional ring-back tone via mind-set calling subscriber switch in the CRBT, after through one predefined period; The CRBT center suppresses the traditional ringback sound that called subscriber's switch is sent; And begin to play after the system prompt sound to calling subscriber's switch Play System prompt tone, play the Comfort Noise Generation (CNG) of customization again to calling subscriber's switch; And this calling subscriber of mark is the user who used Ring Back Tone service; In this way; If a user once used Ring Back Tone service, show that this user has gained some understanding to Ring Back Tone service, then can play-over the Comfort Noise Generation (CNG) of customization; And needn't play traditional ring-back tone more earlier; And, then play the mode of the Comfort Noise Generation (CNG) of traditional ringback sound and then broadcast customization through elder generation for the user who did not use Ring Back Tone service, avoid this user that Ring Back Tone service is misunderstood.
Below in conjunction with accompanying drawing, respectively the concrete realization of above dual mode is introduced:
1, the realization of mode one, referring to Fig. 2, calling subscriber's switch set up via the CRBT center with called subscriber's switch between be connected after, according to the broadcast of following steps realization Comfort Noise Generation (CNG):
Step 201: called subscriber's switch is play traditional ring-back tone via mind-set calling subscriber switch in the CRBT;
Step 202~step 203: in predefined traditional ringback sound reproduction time section; Judge the called subscriber whether reply by off-hook; If, then execution in step 207 and subsequent step thereof, otherwise; After the time period of playing through this traditional ringback sound, mind-set calling subscriber Play System prompt tone in the CRBT;
Wherein, in embodiments of the present invention, for each the Ring Back Tone service user in the communication system be set the time period that unified time length is play as the traditional ringback sound in advance; In other embodiment of the present invention, also can be each color ring user the time period that different time length is play as traditional ringback sound separately is set respectively; Through the service management flow in the communication system; Realize the setting of above-mentioned ring-back tone reproduction time section according to user's operational order; The information that sets is kept in the database of communication system, and the time period that also can play this traditional ringback sound is as required changed;
In addition, in the embodiment of the invention, adopt " connect, just a moment,please waits " as described system prompt sound, the voice suggestion that for example also can adopt other is as the system prompt sound, and the system prompt sound can be provided with as required; In other embodiment of the present invention, also can be after through traditional ringback sound reproduction time section direct execution in step 204, and Play System prompt tone not; Perhaps, also the utilisation system prompt tone substitutes traditional ring-back tone and plays to the playing and calling user, execution in step 204 again after the system prompt sound plays then, more than the implementation of other embodiment all do not influence realization of the present invention;
Step 204: judge the called subscriber whether reply by off-hook, if then execution in step 207, otherwise execution in step 205 and subsequent step thereof;
Step 205~step 206: the CRBT center suppresses called subscriber's switch to the traditional ringback sound that the calling subscriber plays, begins to play the Comfort Noise Generation (CNG) of customization in advance to the calling subscriber, and; Judge the called subscriber whether reply by off-hook, if then execution in step 207; Otherwise, continue to play Comfort Noise Generation (CNG), reply until called subscriber's off-hook; Execution in step 207, perhaps, until through the dont answer still of called subscriber after the predefined time period; Then remove calling subscriber's switch and be connected, and notify called ring unanswered, finish this Comfort Noise Generation (CNG) playing process then to the calling subscriber via what set up between CRBT center and the called subscriber's switch;
Step 207: the CRBT center stops to play the Comfort Noise Generation (CNG) of customization in advance to the calling subscriber, finishes the Comfort Noise Generation (CNG) playing process;
Through above step 201~step 207, realized playing among the present invention the process of Comfort Noise Generation (CNG), referring to Fig. 2, consider the integrality that realizes Ring Back Tone service, in concrete the application, also carry out following steps:
Step 208: set up session connection between calling subscriber's switch and the called subscriber's switch;
Step 209~step 210: the session connection that utilizes step 208 to set up between calling subscriber and the called subscriber realizes conversation, and judges whether conversation finishes, if; Then discharge the session connection between caller switch and the called switch, and finish whole communication process, otherwise; Continue the conversation between calling subscriber and the called subscriber; Until end of conversation, discharge the session connection between caller switch and the called switch, and finish whole communication process;
In above step 208~step 210, realize that the step of Ring Back Tone service conversation can adopt multiple mode based on concrete application, realize that the concrete mode of conversation does not influence realization of the present invention;
2, the realization of mode two, referring to Fig. 3, calling subscriber's switch set up via the CRBT center with called subscriber's switch between be connected after, according to the broadcast of following steps realization Comfort Noise Generation (CNG):
In step 301; Judge whether the calling subscriber is the user who had used Ring Back Tone service; If not, be the user who used Ring Back Tone service then with this caller identification, and execution in step 302~step 308; Utilize these steps to realize playing earlier traditional ringback sound and/or system prompt sound, and then play the Comfort Noise Generation (CNG) of customization; Otherwise, showing that this user used Ring Back Tone service, can not misunderstand to the Comfort Noise Generation (CNG) that Ring Back Tone service is play, therefore, direct execution in step 306 and subsequent step thereof are to realize the broadcast of Comfort Noise Generation (CNG); Wherein, above-mentioned steps 302~step 308 is identical with the execution content of step 201~step 207, so no longer do detailed description;
For the judgement described in the performing step 301; Create a multimedia bell information table in the embodiment of the invention in advance; At least preserve the dialing number information that had used Ring Back Tone service in this table; Wherein, used Ring Back Tone service to refer to the calling subscriber and once heard about Comfort Noise Generation (CNG), thereby Comfort Noise Generation (CNG) had been had gained some understanding through the use Ring Back Tone service that calling subscriber or called subscriber customized; This calling subscriber can be the user who self has customized Ring Back Tone service, also can be the domestic consumer that does not have custom-tailoring color ring service; In step 301; Utilize this multimedia bell information table to judge the number information of whether preserving current calling subscriber in this table, if then this calling subscriber was for using the calling subscriber of Ring Back Tone service; Otherwise this calling subscriber was not for using the user of Ring Back Tone service; Correspondingly, be employed in this multimedia bell information table and increase dialing number information and realize that the mark calling subscriber is the user who used Ring Back Tone service; Wherein, in other embodiment of the present invention, as required; This multimedia bell information table also can further comprise the called subscriber's of the Ring Back Tone service of having contracted number information field; Through calling number in the calling that the calling subscriber initiated and called number information, in this table, judge whether the record of corresponding these two user number information, if having; Then the calling subscriber is the user of the Ring Back Tone service that used this called subscriber and customized; Otherwise this calling subscriber is the user of the Ring Back Tone service that do not use this called subscriber and customized, thus the judgement in this way in the performing step 301; Correspondingly, being employed in this multimedia bell information table the number information that increases calling subscriber and called subscriber writes down and realizes that the mark calling subscriber is the user who used Ring Back Tone service; In addition; The information field that also can comprise the Comfort Noise Generation (CNG) of customization in this multimedia bell information table; User through the service management flow custom-tailoring color ring service can be provided with different Comfort Noise Generation (CNG)s to different calling numbers; And the information that will be provided with is kept in the multimedia bell information table, and according to this information, corresponding Comfort Noise Generation (CNG) can be play to the calling subscriber in the CRBT center.
In embodiments of the present invention, after called subscriber's off-hook is replied, then stop to play Comfort Noise Generation (CNG); In other embodiment of the present invention; Also can after called subscriber's off-hook is replied, the background music of Comfort Noise Generation (CNG) as conversation continued to play, thereby improve service quality, its implementation be:
Service management flow through communication system carries out this setting in advance: after called subscriber's off-hook is replied; Comfort Noise Generation (CNG) does not stop to play; But continue to play as the background music of conversation; This is provided with in the database that information is kept at communication system, when communication system is replied at called subscriber's off-hook, based on this information Control CRBT center is set and continues to play Comfort Noise Generation (CNG) to the calling subscribe; Wherein, the volume of the CRBT center key information that also can send based on the user Comfort Noise Generation (CNG) that increases or reduce to be play.
Wherein, in the present invention, can adopt high-grade intelligent peripheral hardware (AIP), also can adopt miscellaneous equipment, not influence realization of the present invention as the CRBT center as the CRBT center.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.