Try changing the ptime to 20. Thanks, Moishe Grunstein Tornado Computer Systems, Inc. 212.400.7650 888.IPPBX.US Service Request Email: support@nysolutions.com Polycom Certified VAR Microsoft Small Business Specialist, Cisco SMB Select Certified Computer Networking * Managed Services * IP Video Surveillance * Network Assessments * Web Solutions * Voice over IP * Disaster Recovery * Network Security * Site Surveys * CMS -----Original Message----- From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of smrdoshi Sent: Wednesday, September 11, 2013 10:30 AM To: freeswitch-users@lists.freeswitch.org Subject: [Freeswitch-users] Problem with G729a codec Hi Guys, We are testing calls in FS with SPA942 and PAP2. When we are trying call with G729a we are getting below error in fs. We tried with other codecs and in that case calls are working fine. == 2013-09-12 00:09:59.004336 [ERR] mod_sofia.c:2114 CODEC NEGOTIATION ERROR. SDP: v=0 o=- 25222 25222 IN IP4 192.168.5.4 s=- c=IN IP4 192.168.5.4 t=0 0 m=audio 16468 RTP/AVP 18 101 a=rtpmap:18 G729a/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=ptime:30 [CS_EXECUTE] [INCOMPATIBLE_DESTINATION] == I tried to make calls work by changing some of the option in sip profile like enabled late negotiation, disable_transcoding=true etc but no success. Can anybody please take a look and help me to figure out the issue? Thanks in Advance. Thanks, Sam -- View this message in context: http://freeswitch-users.2379917.n2.nabble.com/Problem-with-G729a-codec-tp759... Sent from the freeswitch-users mailing list archive at Nabble.com. _________________________________________________________________________ Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com FreeSWITCH-powered IP PBX: The CudaTel Communication Server http://www.cudatel.com Official FreeSWITCH Sites http://www.freeswitch.org http://wiki.freeswitch.org http://www.cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org