Sources
- coverpages
In Case of Session Initiation Protocol Servers(SIP servers),it can be used to specify the user defined preferences like (please refer to the rfc3880 for further details)
1)Authenticate calls To And From The user
based on Address Info -callerid -domain of caller -domain of callee -display name of caller/callee DateTime of call -day of call -hour of call -minute of call -year of call language preferences priority over subscribed numbers2) modification of user locations in server through UI
3) Call routing logic
-how long to ring a phone before doing further action based on the result of the call like --busy --noanswer --notfound and then take appropriate actionetc.... etc...
Read more about this topic: Call-Processing Language
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