[asterisk-dev] Relayed asterisk signaling

[Roland Ndaka Fru]

Hi,

 

I have the following scenario where an asterisk sever is relayed to another
asterisk server that is linked to the PSTN network.

 

SIP/IAX Client <-------> Asterisk Server1 <-------> Asterisk Server2
<-------> PSTN network.

 

If a user places a call through Server1, the call is "answered" as soon as
it is forwarded to Server2 although the fixed/mobile phone on the PSTN
network may still be ringing. This triggers off the billing at Server1 and
this is undesireable since the call hasn't been answered yet.

 

Question: How can I make Server2 inform Server1 the call is answered ONLY
when the call is picked up at the PSTN destination. Which parameters should
I be looking at in this case.

 

Thanks in advance,

Roland.

 

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