I am having some problems getting TelIax service to work with *. Outbound calls work just fine. When I try an inbound call the phone rings and there is no audio. Upon further investigation "iax2 show channels" indicates that the codec is "unknown" The provider confirmed that they are set for ulaw and so am I. Does anyone have an idea what could be causing the codecs to show up as "unknown"? Why would this be only failing when I receive a call from them? Thanks in advance. I have this in my iax.conf: register => myusername:mypassword@voip.teliax.com [teliax] context=in-out type=friend host=voip.teliax.com auth=md5 secret=mypassword disallow=all allow=ulaw qualify=5000 linux-home*CLI> iax2 show channels Channel Peer Username ID (Lo/Rem) Seq (Tx/Rx) Lag Jitter JitBuf Format IAX2/teliax@teliax/7 66.234.228.170 teliax 00007/00309 00001/00000 00000ms 0000ms 0000ms unknow linux-home*CLI> iax2 debug IAX2 Debugging Enabled linux-home*CLI> Tx-Frame Retry[001] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE Timestamp: 00017ms SCall: 00005 DCall: 00000 [63.218.7.228:4569] Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: NEW Timestamp: 00006ms SCall: 00025 DCall: 00000 [204.188.109.139:4569] VERSION : 2 CALLED NUMBER : 7324532604 CALLING NUMBER : 6463566278 CALLING PRESNTN : 0 CALLING TYPEOFN : 0 CALLING TRANSIT : 0 LANGUAGE : en USERNAME : teliax FORMAT : 4 CAPABILITY : 63748 ADSICPE : 2 DATE TIME : 160346467 Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 001 Type: IAX Subclass: AUTHREQ Timestamp: 00002ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] AUTHMETHODS : 2 CHALLENGE : [REMOVED} USERNAME : teliax Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 001 Type: IAX Subclass: AUTHREP Timestamp: 00073ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] MD5 RESULT : [REMOVED} -- Accepting AUTHENTICATED call from 204.188.109.139, requested format 4, actual format = 4 -- Executing Dial("IAX2/teliax@teliax/3", "SIP/5001") in new stack -- Called 5001 Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 002 Type: IAX Subclass: ACCEPT Timestamp: 00067ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] FORMAT : 4 -- SIP/5001-3f33 is ringing Tx-Frame Retry[000] -- OSeqno: 002 ISeqno: 002 Type: CONTROL Subclass: RINGING Timestamp: 00070ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 002 Type: IAX Subclass: ACK Timestamp: 00067ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 003 Type: IAX Subclass: ACK Timestamp: 00070ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE Timestamp: 00015ms SCall: 00006 DCall: 00000 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX Subclass: PONG Timestamp: 00015ms SCall: 00020 DCall: 00006 [204.188.109.139:4569] Tx-Frame Retry[-01] -- OSeqno: 001 ISeqno: 001 Type: IAX Subclass: ACK Timestamp: 00015ms SCall: 00006 DCall: 00020 [204.188.109.139:4569] -- SIP/5001-3f33 answered IAX2/teliax@teliax/3 Tx-Frame Retry[000] -- OSeqno: 003 ISeqno: 002 Type: CONTROL Subclass: (255?) Timestamp: 01703ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] Tx-Frame Retry[000] -- OSeqno: 004 ISeqno: 002 Type: CONTROL Subclass: ANSWER Timestamp: 01706ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 004 Type: IAX Subclass: ACK Timestamp: 01703ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 005 Type: IAX Subclass: ACK Timestamp: 01706ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 002 ISeqno: 005 Type: IAX Subclass: TXREQ Timestamp: 01823ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] APPARENT ADDRES : IPV4 66.234.228.170:4569 CALL NUMBER : 318 TRANSFER ID : 2141979743 Tx-Frame Retry[-01] -- OSeqno: 005 ISeqno: 003 Type: IAX Subclass: ACK Timestamp: 01823ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: TXCNT Timestamp: 01817ms SCall: 00003 DCall: 00318 [66.234.228.170:4569] TRANSFER ID : 2141979743 Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: TXCNT Timestamp: 02036ms SCall: 00318 DCall: 00003 [66.234.228.170:4569] TRANSFER ID : 2141979743 Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: TXACC Timestamp: 01822ms SCall: 00003 DCall: 00318 [66.234.228.170:4569] Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: TXACC Timestamp: 02056ms SCall: 00318 DCall: 00003 [66.234.228.170:4569] Tx-Frame Retry[000] -- OSeqno: 005 ISeqno: 003 Type: IAX Subclass: TXREADY Timestamp: 01845ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] CALL NUMBER : 3 Rx-Frame Retry[ No] -- OSeqno: 003 ISeqno: 006 Type: IAX Subclass: TXREL Timestamp: 01915ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] CALL NUMBER : 318 Tx-Frame Retry[-01] -- OSeqno: 006 ISeqno: 004 Type: IAX Subclass: ACK Timestamp: 01915ms SCall: 00003 DCall: 00025 [204.188.109.139:4569] Rx-Frame Retry[ No] -- OSeqno: 004 ISeqno: 006 Type: VOICE Subclass: 4 Timestamp: 06115ms SCall: 00025 DCall: 00003 [204.188.109.139:4569] Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: VOICE Subclass: 4 Timestamp: 00010ms SCall: 00003 DCall: 00318 [66.234.228.170:4569] Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 001 Type: IAX Subclass: ACK Timestamp: 00010ms SCall: 00318 DCall: 00003 [66.234.228.170:4569] Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE Timestamp: 00015ms SCall: 00008 DCall: 00000 [63.218.7.228:4569] Tx-Frame Retry[001] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE Timestamp: 00015ms SCall: 00008 DCall: 00000 [63.218.7.228:4569] -- Hungup 'IAX2/teliax@teliax/3' Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 000 Type: IAX Subclass: HANGUP Timestamp: 08017ms SCall: 00003 DCall: 00318 [66.234.228.170:4569] Rx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: INVAL Timestamp: 00000ms SCall: 00318 DCall: 00003 [66.234.228.170:4569] Tx-Frame Retry[000] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: POKE Timestamp: 00014ms SCall: 00009 DCall: 00000 [63.218.7.228:4569] linux-home*CLI> iax2 no debug IAX2 Debugging Disabled linux-home*CLI> -------------- next part -------------- An HTML attachment was scrubbed... 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