I see a different behaviour for 183 Ringing vs 180 Ringing and a 408 Request Timeout response message with regards to park_after_bridge:

1) I have "park_after_bridge=true".

2) Do a bridge to a PSTN number (SIP Trunk)

3) After sometime freeswitch receives 408 Request Timeout message:

    a) if carrier had sent 183 Ringing (in band ring back tone) the a-leg is parked after the 408 timeout message.

    b) if carrier had sent 180 Ringing, the aleg is hungup after timeout (408 message)

Is this a bug?

Is there a work around?

Thanks,

Ali Pey