- Improve codec negotiation logic.
- make sure to parse SDP on re-INVITE.
o chan_zap.c:
- If unanswered Zap channnel is hanged up wait until the calling party
in turn hangs up (by detecting ring timeout). Otherwise next ring will
trigger a "new" incoming call. This appears to be design limitation of
the analogue telephone system - there is no way to reject the call without
answering it first.
Sponsored by: Porta Software Ltd, PBXpress Inc