Method for reserving called individual ring-back tone flow and increasing calling customizing ring-back tone
A ringback tone and process technology, applied in the field of communication, to achieve the effect of protecting interests and saving switching network resources
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[0044] refer to figure 1 , is a schematic diagram of the calling process of retaining the called personalized ring back tone process and adding the calling party's customized ring back tone in the present invention.
[0045] Realize the method for increasing the caller's customized ring back tone process on the basis of retaining the called personalized ring back tone process, comprising the following steps:
[0046] (A) a user under the Mobile Services Switching Center MSC initiates a call;
[0047] (B) said MSC judges whether the calling user is an activated calling user who customizes the ring back tone user, if yes, then executes step C; if not, then executes step F;
[0048] (C) said MSC judges: if the called party is an out-of-network user, then step E is performed; if the called party is an in-network user, then said MSC sends a call route query message to the home location register HLR of the called telephone number, and The HLR returns the response message of the ca...
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