Capabilities: us - 0x0 (nothing), peer - audio=0xc (ulaw|alaw)/video=0x0 (nothing), combined - 0x0 (nothing)
Non-codec capabilities: us - 0x1 (telephone-event), peer - 0x1 (telephone-event), combined - 0x1 (telephone-event)
Aug  5 20:09:23 NOTICE[8052]: chan_sip.c:3685 process_sdp: No compatible codecs!
Transmitting (NAT) to 216.143.130.36:5060:
SIP/2.0 488 Not acceptable here