I am getting One way audio :
== Refreshing DNS lookups.
== Spawn extension (default, 9442088197568, 2) exited non-zero on 'SIP/cc106-09f05618'
-- Executing DeadAGI("SIP/cc106-09f05618", "agi://127.0.0.1:4577/call_log") in new stack
-- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
-- Executing DeadAGI("SIP/cc106-09f05618", "agi://127.0.0.1:4577/VD_hangup--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----21-----11)") in new stack
-- AGI Script agi://127.0.0.1:4577/VD_hangup--HVcause ... -21-----11) completed, returning 0
== Manager 'sendcron' logged off from 127.0.0.1
-- Executing AGI("SIP/cc106-09f05618", "agi://127.0.0.1:4577/call_log") in new stack
-- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
-- Executing Dial("SIP/cc106-09f05618", "SIP/442088197568@sip8||tTor") in new stack
-- Called 442088197568@sip8
Jun 30 14:43:18 NOTICE[2921]: chan_sip.c:3801 process_sdp: No compatible codecs!
-- SIP/sip8-09f0c1e8 is making progress passing it to SIP/cc106-09f05618
Jun 30 14:43:21 NOTICE[2921]: chan_sip.c:3801 process_sdp: No compatible codecs!
-- SIP/sip8-09f0c1e8 answered SIP/cc106-09f05618
== Spawn extension (default, 9442088197568, 2) exited non-zero on 'SIP/cc106-09f05618'
-- Executing DeadAGI("SIP/cc106-09f05618", "agi://127.0.0.1:4577/call_log") in new stack
-- AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
-- Executing DeadAGI("SIP/cc106-09f05618", "agi://127.0.0.1:4577/VD_hangup--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----22-----14)") in new stack
-- AGI Script agi://127.0.0.1:4577/VD_hangup--HVcause ... -22-----14) completed, returning 0
== Parsing '/etc/asterisk/manager.conf': Found
Can Codec be a problem ? I am NOT using G729. In my sip setting I have allow=g711