Getting Error on CME Disconnect cause 38 & 503

[nayeem111]

Am trying to call from CME to CUCM getting the below error. Calling from CUCM to CME is successful.

Below are the logs while calling from CME to CUCM(Version-7) which is not successful.

Please advise.

015022: Sep 30 15:18:56.787: //218719/4EA4AE8283FB/SIP/Call/sipSPICallInfo:

The Call Setup Information is:

Call Control Block (CCB) : 0x0x7FBEC2648010

State of The Call : STATE_DEAD

TCP Sockets Used : NO

Calling Number : 4814

Called Number : 73230

Source IP Address (Sig ): 192.168.200.200

Destn SIP Req Addr:Port : 172.30.200.10:5060

Destn SIP Resp Addr:Port : 172.30.200.10:5060

Destination Name : 172.30.200.10

015023: Sep 30 15:18:56.787: //218719/4EA4AE8283FB/SIP/Call/sipSPIMediaCallInfo:

Number of Media Streams: 1

Media Stream : 1

Negotiated Codec : No Codec

Negotiated Codec Bytes : 0

Nego. Codec payload : 255 (tx), 255 (rx)

Negotiated Dtmf-relay : 0

Dtmf-relay Payload : 0 (tx), 0 (rx)

Source IP Address (Media): 192.168.200.200

Source IP Port (Media): 28950

Destn IP Address (Media): -

Destn IP Port (Media): 0

Orig Destn IP Address:Port (Media): [ - ]:0

015024: Sep 30 15:18:56.787: //218719/4EA4AE8283FB/SIP/Call/sipSPICallInfo:

Disconnect Cause (CC) : 38

Disconnect Cause (SIP) : 503

[Mohammed al Baqari]

Error 38 means that your CME can't reach CUCM. Start with debug ip tcp
transactions to see what is happening when you initiate a connection
assuming that you use TCP SIP.

Check if there is anything blocking the connectivity and make sure the CME
is added to CUCM as SIP Trunk.

**** remember to rate useful posts