Hi,

I used FreeSWITCH Version 1.3.17+git~20130312T033518Z~7d29a92f55 and client could talk with G729 without problem.
Today I install a new FS and the version is
FreeSWITCH Version 1.5.1b+git~20130417T010754Z~538d9beacd.

I copied the entire conf directory in old FS to new FS.
I got the problem.

2013-04-18 21:25:06.899049 [DEBUG] sofia.c:5694 Remote SDP:                                                                          
v=0                                                                                                                                
o=Dialogic_SIP_CCLIB 62147888 62147889 IN IP4 10.0.110.41                                                                          
s=Dialogic_SIP_CCLIB                                                                                                               
c=IN IP4 10.0.110.41                                                                                                               
t=0 0                                                                                                                              
m=audio 49152 RTP/AVP 18 101                                                                                                       
a=fmtp:18 annexb=no                                                                                                                
a=rtpmap:101 telephone-event/8000                                                                                                  
a=fmtp:101 0-15                                                                                                                    
a=ptime:30                                                                                                                         
                                                                                                                                     
2013-04-18 21:25:06.899049 [DEBUG] switch_core_media.c:2597 Audio Codec Compare [G729:18:8000:30:8000]/[G729:18:8000:20:8000]        
2013-04-18 21:25:06.899049 [DEBUG] switch_core_media.c:2597 Audio Codec Compare [telephone-event:101:8000:30:0]/[G729:18:8000:20:8000]
2013-04-18 21:25:06.899049 [DEBUG] switch_core_media.c:2671 Substituting codec G729@30i@8000h                                        
2013-04-18 21:25:06.899049 [DEBUG] switch_core_media.c:1617 No audio codec available                                                 
2013-04-18 21:25:06.899049 [DEBUG] switch_core_media.c:2752 Set 2833 dtmf send payload to 101                                        
2013-04-18 21:25:06.899049 [NOTICE] sofia.c:5812 Hangup sofia/ivvr/9999110 [CS_CONSUME_MEDIA] [INCOMPATIBLE_DESTINATION] 


Any advice?

Thanks.
Jimmy