I have a 908e configured to connect to a kamailio system. Normal calls to our fxs lines work properly, but if a call goes through a ring-group, the outside caller gets no audio.
Some of our config:voice ring-group 1838type lineardescription Main Huntnum-rings 4member 9563381728login-member 9563381728member 5128212959login-member 5128212959did "2142511838"
voice trunk T01 type sipdescription "SIP Trunk to Kamailo"sip-server primary KamailioIPregistrar primary KamailioIPsip-header-passthrough bothoutbound-proxy primary KamailioIPmax-number-calls 23authentication username "devlab@ KamailioIP" password encrypted ""
voice user 5128212959connect fxs 0/1no cospassword encrypted ""no special-ring-cadencessip-authentication password encrypted ""codec-list GLOBAL
!!!voice user 9563381728connect fxs 0/2no cospassword encrypted ""no special-ring-cadencessip-authentication password encrypted ""codec-list GLOBAL