I am having troubles with a Cisco IP phone but in traces I see this message:
Outbound SCCP message to 220.127.116.11 at 08/18/2015 09:56:27.242
StationD: (0051062) Can't forward DeviceMediaPortCloseMsg to cdpc for CI 49018231; can't find it.
Source Filename: SDL002_100_001192.txt.gz
I tried to find what's the meaning of that message but I can't find anything.
This is a fragment of my call flow.
18.104.22.168 IP Phone
22.214.171.124 Voice GW
I hope you can help me.
The exact issue is that we see in CUCM traces a "500 internal Server Error" when some calls are assigned to that phone.
And in Gateway debugs we see the same error.
This is a Contact Center Enterprise we have all the SIP trunks between CUCM and CVPs and Gateways.
And not all the calls fail.
CUCM version is 9.1(2)
The extension is an extension mobility profile for 7942 SCCP.
Ths is the INVITE:
32342449.002 |09:56:30.154 |AppInfo |//SIP/SIPUdp/wait_UdpDataInd: Incoming SIP UDP message size 887 from 126.96.36.199::
INVITE sip:email@example.com:5060 SIP/2.0
Via: SIP/2.0/UDP 188.8.131.52:5060;branch=z9hG4bK4AD0522A
Remote-Party-ID: "FERRER,MORALES --CVP_9_0_1_0_0_0_670" <sip:firstname.lastname@example.org>;party=calling;screen=no;privacy=off
From: "FERRER,MORALES --CVP_9_0_1_0_0_0_670" <sip:email@example.com>;tag=5A12F990-11EC
Date: Tue, 18 Aug 2015 14:56:30 GMT
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 101 INVITE
And no, the MTP is not enabled on the SIP Trunk.
No early offer in the INVITE
Try to enable MTP on the SIP trunk, by default I always enable this, because it solves a lot of issues. Try to use IOS MTP resources, CUCM has some limited MTP resources