Error about codecs AMR-NB.

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 Anyone know how to fix this problem below.
 I’m add codecs AMR-NB and AMR-WB and I get error in AMR-NB about this “Found unknown media description format AMR for ID”, a search about this on google and I can’t find any solution about this. Thanks in advanced and best regards.

             Julio Lemos

< ------------->— (8 headers 0 lines) —
< --- SIP read from UDP: --->INVITE sip:5432@ SIP/2.0Via: SIP/2.0/UDP;rport;branch=z9hG4bKPjQv3ZDrKzwWFMfOO4eFG0AECvwqEerQ9AMax-Forwards: 70From: “5505” ;tag=H24FA8xsH7K9DpuES9CbWgGkvbYSfF8qTo: Contact: “5505” Call-ID: WyL8a33LsNOaQjw2WbVUN7qj0R4hyEMOCSeq: 13600 INVITEAllow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONSSupported: replaces, 100rel, timer, norefersubSession-Expires: 1800Min-SE: 90User-Agent: CSipSimple r1108 / umts_milestone2-10Authorization: Digest username=”5505″, realm=”asterisk”, nonce=”52b8e2d3″, uri=”sip:5432@″, response=”1a95c0bbb6f5143037eb6f7b6f2f6674″, algorithm=MD5Content-Type: application/sdpContent-Length: 305
v=0o=- 3547457675 3547457675 IN IP4 IP4 0a=X-nat:0m=audio 4000 RTP/AVP 108 8 0 101a=rtcp:4001 IN IP4 AMR/8000a=rtpmap:8 PCMA/8000a=rtpmap:0 PCMU/8000a=sendrecva=rtpmap:101 telephone-event/8000a=fmtp:101 0-15< ------------->— (16 headers 14 lines) —Sending to (NAT)Using INVITE request as basis request – WyL8a33LsNOaQjw2WbVUN7qj0R4hyEMOFound peer ‘5505’ for ‘5505’ from  == Using SIP RTP CoS mark 5Found RTP audio format 108Found RTP audio format 8Found RTP audio format 0Found RTP audio format 101Found unknown media description format AMR for ID 108Found audio description format PCMA for ID 8Found audio description format PCMU for ID 0Found audio description format telephone-event for ID 101[May 31 09:55:05] NOTICE[28286]: chan_sip.c:9372 process_sdp: No compatible codecs, not accepting this offer!
< --- Reliably Transmitting (NAT) to --->SIP/2.0 488 Not acceptable hereVia: SIP/2.0/UDP;branch=z9hG4bKPjQv3ZDrKzwWFMfOO4eFG0AECvwqEerQ9A;received=;rport=45327From: “5505”
;tag=H24FA8xsH7K9DpuES9CbWgGkvbYSfF8qTo: ;tag=as02c2bc10Call-ID: WyL8a33LsNOaQjw2WbVUN7qj0R4hyEMOCSeq: 13600 INVITEServer: Asterisk PBX 10.4.0Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISHSupported: replaces, timerContent-Length: 0

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