Message SIP with 488 Not Acceptable Here | IP Telephony | Cisco Support Community | 5961 | 11675251
Hi Chris, How about them requiring an EO INVITE? Did you check with them about that? As of now, with the DO, you havent offered any codec in the outbound INVITE: *Dec 3 12:08:32.871: //21356/54CEF5800005/SIP/Msg/ccsipDisplayMsg: Sent: INVITE sip:...