Hello,
Does anybody got a working configuration to make an "attended call transfer" with a call through an Asterisk gateway?
Example:
PSTN --> Asterisk --> SER --+-- A |<---transfer call pstn to B +-- B
The call will come from the PSTN Network and will go through "A". A sets the call on "Hold" and calls "B". After A is connected with B, A hangup and B got the call from PSTN. This is not working at the moment. Attended call transfer only with OpenSER and only with SIP-Phones is no Problem. But if the is an Asterisk as PSTN-GW in the game it will not work.