Please find below a list of our mappings between h323/sip/yate disconnect causes:

• “Normal Call Clearing" => 16,
• "EndedByLocalUser" => 16,
• "EndedByNoAccept" => 21,
• "EndedByAnswerDenied" => 21,
• "EndedByRemoteUser" => 16,
• "EndedByRefusal" => 21,
• "EndedByNoAnswer" => 19,
• "EndedByCallerAbort" => 24,
• "EndedByTransportFail" => 127,
• "EndedByConnectFail" => 127,
• "EndedByGatekeeper" => 127,
• "EndedByNoUser" => 21,
• "EndedByNoBandwidth" => 49,
• "EndedByCapabilityExchange" => 58,
• "EndedByCallForwarded" => 29,
• "EndedBySecurityDenial" => 21,
• "EndedByLocalBusy" => 17,
• "EndedByLocalCongestion" => 34,
• "EndedByRemoteBusy" => 34,
• "EndedByRemoteCongestion" => 34,
• "EndedByUnreachable" => 3,
• "EndedByNoEndPoint" => 27,
• "EndedByHostOffline" => 27,
• "noroute" => 3,
• "noconn" => 63,
• "noauth" => 57,
• "nomedia" => 58,
• "noanswer" => 19,
• "busy" => 17,
• "congestion" => 34,
• "offline" => 27,
• "rejected" => 21,
• "forbidden" => 57,
• "incomplete" => 28,
• "looping" => 127,
• "failure" => 41,
• "timeout" => 102,
• "nocall" => 127,
• "pending" => 127,
• "Bad Request" => 127,
• "Unauthorized" => 57,
• "Payment Required" => 21,
• "Forbidden" => 57,
• "Not Found" => 1,
• "Method Not Allowed" => 127,
• "Not Acceptable" => 127,
• "Proxy Authentication Required" => 21,
• "Request Timeout" => 102,
• "Conflict" => 41,
• "Gone" => 1,
• "Length Required" => 127,
• "Request Entity Too Large" => 127,
• "Request-URI Too Long" => 127,
• "Unsupported Media Type" => 79,
• "Bad Extension" => 127,
• "Temporarily Unavailable" => 18,
• "Call Leg/Transaction Does Not Exist" => 127,
• "Loop Detected" => 127,
• "Too many hops" => 127,
• "Address Incomplete" => 28,
• "Ambiguous" => 1,
• "Busy Here" => 17,
• "Request Terminated" => 127,
• "Not Acceptable Here" => 127,
• "Server Internal Error" => 41,
• "Not Implemented" => 79,
• "Bad Gateway" => 38,
• "Service Unavailable" => 63,
• "Server Time-out" => 102,
• "Version Not Supported" => 127,
• "Precondition Failure" => 47,
• "Busy Everywhere" => 17,
• "Decline" => 21,
• "Does Not Exist Anywhere" => 1,
• "Not Acceptable" => 58,
• "No route to call target" => 3