I get the following email error on an outbound call. _______________________________ (0) TC-3CX 4/25/2011 7:06:46 PM Call to 97740146@(Ln.10000@Patton 1) has failed. [ V4 10.9.27.251:5060 UDP target domain=unspecified mFlowKey=820 ] replied: 502 Bad Gateway; from IP:10.9.27.251:5060 _____________________________________ Here is the corresponding log entry _______________________________________________ 19:06:50.004 [CM505002]: Gateway:[Patton 1] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [Patton SN4114 JO EUI 00A0BA0605A5 R5.3 2009-01-15 H323 SIP FXS FXO M5T SIP Stack/184.108.40.206] PBX contact: [sip:firstname.lastname@example.org:5060] _______________________________________________ The call does connect correctly on the port that it says has failed, however I get an error email every single time that route is used. Inbound calls generate no errors. Any suggestions?