Hi John,

Why do you need the B2B part ?  And answering your questions:

1) B2B is not dialog dependent, but TM only, so there is no risk

2) It will be more difficult to have them in B2B than in proxy - those features are more proxy oriented.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 26.12.2014 11:25, John Nash wrote:
I am trying to make full SBC using mostly opensips components.The call flow will be like diagram below.. For features like concurrent call limit, call timeout, CDR accounting I will have to use dialog module in main opensips proxy. For B2bua if I understand correctly I will have to use another instance. My doubts are ..

1- Since B2bua is dependent on dialog module this architecture will create dialog twice in shared database (Plan to use real time DB mode for persistence and display of ongoing calls in real time). Can this redundant work be avoided?

2- Can concurrent call limit, Session timeout (Prepaid), CDR accounting be implemented at b2bua instance and leaving proxy free of this burden?



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