Hi All, FreeSWITCH Version 1.5.1b+git~20130423T194907Z~e1c325dcb5 (git e1c325d 2013-04-23 19:49:07Z) Error : while error its not accepting calls o=Sonus_UAC 902944909 319279515 IN IP4 YY.YY.YY.142 s=SIP Media Capabilities c=IN IP4 YY.YY.YY.131 t=0 0 m=audio 28390 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=maxptime:20 2013-05-21 11:09:13.488398 [NOTICE] sofia.c:5799 Pre-Answer sofia/external/17863565651! 2013-05-21 11:09:13.488398 [DEBUG] switch_channel.c:3273 Send signal sofia/external/XXXXXXXXXX@192.168.10.123 [BREAK] 2013-05-21 11:09:13.488398 [DEBUG] switch_channel.c:3277 (sofia/external/17863565651) Callstate Change DOWN -> EARLY 2013-05-21 11:09:13.488398 [DEBUG] switch_core_media.c:1720 Set Codec sofia/external/17863565651 PROXY/8000 20 ms 160 samples 0 bits 2013-05-21 11:09:13.488398 [DEBUG] switch_core_codec.c:111 sofia/external/17863565651 Original read codec set to PROXY:0 2013-05-21 11:09:13.488398 [DEBUG] switch_core_media.c:3746 PROXY AUDIO RTP [sofia/external/17863565651] YY.YY.YY.131:28390->YY.YY.YY.131:28390 codec: 0 ms: 20 2013-05-21 11:09:13.488398 [DEBUG] switch_rtp.c:2667 Not using a timer 2013-05-21 11:09:13.488398 [DEBUG] switch_core_media.c:4025 Set 2833 dtmf send payload to 101 2013-05-21 11:09:13.488398 [DEBUG] switch_core_media.c:4031 Set 2833 dtmf receive payload to 101 2013-05-21 11:09:13.488398 [DEBUG] switch_core_media.c:4064 Set comfort noise payload to 13 2013-05-21 11:09:13.488398 [DEBUG] switch_core_session.c:922 Send signal sofia/external/XXXXXXXXXX@192.168.10.123 [BREAK] 2013-05-21 11:09:13.508407 [DEBUG] switch_ivr_originate.c:414 Codec string PROXY@8000h@20i not supported on sofia/external/XXXXXXXXXX@192.168.10.123, skipping inheritance 2013-05-21 11:09:13.508407 [INFO] switch_ivr_originate.c:3417 Sending early media 2013-05-21 11:09:13.508407 [CRIT] switch_core_media.c:3367 No audio RTP ports available! 2013-05-21 11:09:13.508407 [ERR] switch_core_media.c:5757 sofia/external/ XXXXXXXXXX@192.168.10.123 I/O Error