cucm не звонит в город

В общем с cucm не могу позвонить в город, шлюзом стоит 3945, при этом на 39 c экспресса звонки отлично проходят, подскажите в чем может быть проблема. Вот дебаг:

Jan 9 14:15:27.389: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
INVITE sip:8918XXXXXXX@10.15.15.1:5060 SIP/2.0
Via: SIP/2.0/TCP 10.15.15.245:5060;branch=z9hG4bK8864046793
From: ;tag=17270~8864db3e-c1c1-4f49-bfca-8e7fceabaaae-24611818
To:
Date: Wed, 09 Jan 2013 14:15:27 GMT
Call-ID: 2cb6f00-ed17b7f-7b-f50f0f0a@10.15.15.245
Supported: timer,resource-priority,replaces
Min-SE: 1800
User-Agent: Cisco-CUCM9.1
Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY
CSeq: 101 INVITE
Expires: 180
Allow-Events: presence, kpml
Supported: X-cisco-srtp-fallback,X-cisco-original-called
Call-Info: ;method="NOTIFY;Event=telephone-event;Duration=500"
Cisco-Guid: 0046886656-0000065536-0000000022-4111404810
Session-Expires: 1800
P-Asserted-Identity:
Remote-Party-ID: ;party=calling;screen=yes;privacy=off
Contact:
Max-Forwards: 69
Content-Length: 0

Jan 9 14:15:27.393: //56975/02CB6F000000/SIP/Msg/ccsipDisplayMsg:
Sent:
INVITE sip:8918XXXXXXX@85.174.190.130:5060 SIP/2.0
Via: SIP/2.0/UDP 10.15.15.1:5060;branch=z9hG4bK823413C7
Remote-Party-ID: ;party=calling;screen=yes;privacy=off
From: ;tag=543C73AC-3C0
To:
Date: Wed, 09 Jan 2013 14:15:27 GMT
Call-ID: D9D50E74-599D11E2-AB4BF2FC-6019702A@10.15.15.1
Supported: timer,resource-priority,replaces,sdp-anat
Min-SE: 1800
Cisco-Guid: 0046886656-0000065536-0000000022-4111404810
User-Agent: Cisco-SIPGateway/IOS-15.2.4.M1
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 101 INVITE
Timestamp: 1357740927
Contact:
Call-Info: ;method="NOTIFY;Event=telephone-event;Duration=2000"
Expires: 180
Allow-Events: telephone-event
Max-Forwards: 68
Content-Length: 0

Jan 9 14:15:27.393: //56974/02CB6F000000/SIP/Msg/ccsipDisplayMsg:
Sent:
SIP/2.0 100 Trying
Via: SIP/2.0/TCP 10.15.15.245:5060;branch=z9hG4bK8864046793
From: ;tag=17270~8864db3e-c1c1-4f49-bfca-8e7fceabaaae-24611818
To:
Date: Wed, 09 Jan 2013 14:15:27 GMT
Call-ID: 2cb6f00-ed17b7f-7b-f50f0f0a@10.15.15.245
CSeq: 101 INVITE
Allow-Events: telephone-event
Server: Cisco-SIPGateway/IOS-15.2.4.M1
Content-Length: 0

Jan 9 14:15:27.397: //56975/02CB6F000000/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 10.15.15.1:5060;branch=z9hG4bK823413C7
From: ;tag=543C73AC-3C0
To:
Call-ID: D9D50E74-599D11E2-AB4BF2FC-6019702A@10.15.15.1
CSeq: 101 INVITE
Timestamp: 1357740927

Jan 9 14:15:29.957: //56975/02CB6F000000/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 503 Service Unavailable
Via: SIP/2.0/UDP 10.15.15.1:5060;branch=z9hG4bK823413C7
From: ;tag=543C73AC-3C0
To: ;tag=SDvusp899-j97bp4snq2
Call-ID: D9D50E74-599D11E2-AB4BF2FC-6019702A@10.15.15.1
CSeq: 101 INVITE
Timestamp: 1357740927
Reason: Q.850;cause=34;text="No circuit/channel available"
Content-Length: 0

Jan 9 14:15:29.961: //56974/02CB6F000000/SIP/Msg/ccsipDisplayMsg:
Sent:
SIP/2.0 500 Internal Server Error
Via: SIP/2.0/TCP 10.15.15.245:5060;branch=z9hG4bK8864046793
From: ;tag=17270~8864db3e-c1c1-4f49-bfca-8e7fceabaaae-24611818
To: ;tag=543C7DB8-2182
Date: Wed, 09 Jan 2013 14:15:27 GMT
Call-ID: 2cb6f00-ed17b7f-7b-f50f0f0a@10.15.15.245
CSeq: 101 INVITE
Allow-Events: telephone-event
Server: Cisco-SIPGateway/IOS-15.2.4.M1
Reason: Q.850;cause=63
Content-Length: 0

Jan 9 14:15:29.961: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Sent:
ACK sip:89182078118@85.174.190.130:5060 SIP/2.0
Via: SIP/2.0/UDP 10.15.15.1:5060;branch=z9hG4bK823413C7
From: ;tag=543C73AC-3C0
To: ;tag=SDvusp899-j97bp4snq2
Date: Wed, 09 Jan 2013 14:15:27 GMT
Call-ID: D9D50E74-599D11E2-AB4BF2FC-6019702A@10.15.15.1
Max-Forwards: 10
CSeq: 101 ACK
Allow-Events: telephone-event
Content-Length: 0

Jan 9 14:15:29.961: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
ACK sip:89182078118@10.15.15.1:5060 SIP/2.0
Via: SIP/2.0/TCP 10.15.15.245:5060;branch=z9hG4bK8864046793
From: ;tag=17270~8864db3e-c1c1-4f49-bfca-8e7fceabaaae-24611818
To: ;tag=543C7DB8-2182
Date: Wed, 09 Jan 2013 14:15:27 GMT
Call-ID: 2cb6f00-ed17b7f-7b-f50f0f0a@10.15.15.245
Max-Forwards: 70
CSeq: 101 ACK
Allow-Events: presence, kpml
Content-Length: 0