The way you have explained the use case would require the phones to do complex SIP operations.
Phone C need to know the dialog identifiers (dialog info package probably would help)of the call between A and B and then use replaces header to "intercept the call". I presonally haven't seen phones doing this.

If you want to send the initial call to both phone B and C, either in parallel or sequentally, then SER can easily do the job. Just read a few mails or the getting started document and you'll see how to do this.

Hope it helps,
Samuel.

2008/2/20, roayu <roayu@ctisys.net>:

Hi there!

 

Recently, I had setup a SIP environment with few sip phones, SIPphone A, SIPphone B, and SIPphone C. For instance, when SIPphone A called to SIPphone B, but B is not able to answer the call. Can SIPphone C answer A's call?

 

I would like to know whether is SER able to have the intercept sip calls function? If yes, what module or configuration that I need to set?

 

Thanks in advance!

 

 

Best regards,

RoaYu

 


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