![]() ![]() I also just found an old set of notes, where the CUBE was generating the internal server error until we removed the 'pass-through content sdp' from the sip parameters, since some impossible (to the router) scenario was attempting to be negotiated. This may be an IOS specific 'feature', but I have definitely experienced it in my own lab. I am usually looking at CUCM sip trunk to cube, and then cube to provider, and in that case, the same applies in the direction back towards CUCM, and if the cube tries to set up a call with one set of codecs on the list coming from CUCM, but missing one of those towards the provider, (or vice versa) that has also caused the error - the codec lists had to match in the cube in both directions. I have seen other things cause the 500, but the dial peer matching is a big one. Then make sure both of those peers match as far as codec, session transport, dtmf, vad, etc. T' (you don't need destination pattern on inbound leg). You really should have a specific inbound and outbound dial peer set up for any sip trunk, so that you match the parameters you think you should be matching, voip-wise - so your outbound dial peer towards the provider would be stating 'destination-pattern 7T' for instance, and your inbound call leg from the provider would be 'incoming called-number. ![]() It has been generated by many random config issues or mismatches, but the one I saw recently was that the codec settings on the inbound and outbound call legs did not line up, and so the router refused to continue. I have seen that Internal Server Error actually be generated by the router, even though it looks like it is being received from the provider. Translation-profile outgoing OUTGOINGSAFSIP ![]() User-Agent: Cisco-SIPGateway/IOS-15.6.3.M2Īllow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER I'm not able to make outbound calls from my CME SIP gateway, below is the debug ccsip messages output, I'm getting a SIP/2.0 500 Server Internal Error as shown in the output below (IPs changed for security reasons), below the ccsip output is my outbound SIP config ![]()
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