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Outbound calls stop working after a period of time.

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I have OCS SE with Mediation server connected to Audiocode M1000 gateway.

When the Mediation Server comes up, I am able to make outbound calls from Communicator fine.

After a period of time, outbound calls begin to fail.

If I restart Mediation Server they begin to work again.

Sometimes if I wait without restarting Mediation Server they being to work again too. Though I'm not patient enough to identify any pattern there.

I have captured logs for calls before and after failure and they both look the same until the bad call has the message:

TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a816 ((Shared),ValidateCertChain:886.idx(1791))TrustStatus.dwErrorStatus: WINERROR= 1000040, TrustStatus.dwInfoStatus: WINERROR= 100

Any help is appreciated.

GOOD CALL

============

(SIPStack,SIPAdminLog::TraceProtocolRecord:1224.idx(122))$$begin_record
Instance-Id: 00000326
Direction: incoming
Peer: 10.12.80.67:1721
Message-Type: request
Start-Line: INVITE sip:+17747600471@sentri.com;user=phone SIP/2.0
From: <sip:JPartridge@sentri.com>;tag=08f7c6fa53;epid=53b27e072d
To: <sip:+17747600471@sentri.com;user=phone>
CSeq: 1 INVITE
Call-ID: ef7644f721284337acf83eacc911f354
Via: SIP/2.0/TLS 10.12.80.67:1721
Max-Forwards: 70
Contact: <sip:JPartridge@sentri.com;opaque=user:epidt-6qSFxelaVZAjeFGKbgwAA;gruu>
User-Agent: UCCP/2.0.6362.0 OC/2.0.6362.0 (Microsoft Office Communicator)
Ms-Conversation-ID: AchO8xpk0zv4ZJ3xQ++QpthAejqALQ==
Supported: timer
Supported: ms-sender
Supported: ms-early-media
ms-keep-alive: UAC;hop-hop=yes
P-Preferred-Identity: <sip:JPartridge@sentri.com>
Supported: ms-conf-invite
Proxy-Authorization: Kerberos qop="auth", realm="SIP Communications Service", opaque="5FEB2979", crand="fd7a2e0f", cnum="157", targetname="sip/vm-ocs1.hq.sentri.com", response="602306092a864886f71201020201011100ffffffff0e11909c80f93029db452a81889ed41c"
Content-Type: application/sdp
Content-Length: 1292
Message-Body: v=0
o=- 0 0 IN IP4 10.12.80.67
s=session
c=IN IP4 10.12.80.67
b=CT:99980
t=0 0
m=audio 62336 RTP/AVP 114 111 112 115 116 4 8 0 97 101
k=base64:2EuyRa9c+YWLxsvPFe6Vxvzx/EM93sppAszPoyetSFMBldLqHWdpZgGlOgP9
a=candidate:UVKDFXjfPsocvWmM7gk+979STZZpvZBTIsiFAU55wWs 1 eKsxz0/44ZWvvZR8XYhg6A UDP 0.900 10.12.80.67 62336
a=candidate:UVKDFXjfPsocvWmM7gk+979STZZpvZBTIsiFAU55wWs 2 eKsxz0/44ZWvvZR8XYhg6A UDP 0.900 10.12.80.67 25600
a=candidate:mJnsInIl08Necy7BUHqX0maCwZyJKM4YpfMj7KZnWlI 1 7/aLj2jAe7GlM+0WMEhIsw UDP 0.900 10.12.180.54 17280
a=candidate:mJnsInIl08Necy7BUHqX0maCwZyJKM4YpfMj7KZnWlI 2 7/aLj2jAe7GlM+0WMEhIsw UDP 0.900 10.12.180.54 54528
a=cryptoscale:1 client AES_CM_128_HMAC_SHA1_80 inline:K5tLBbXBZlRjp2VAhdCiRJuVf/qtlo1Kx642CGOq|2^31|1:1
a=crypto:2 AES_CM_128_HMAC_SHA1_80 inline:vAsqQuHq2+RR7Sy5brO8xRr5zXd/Efdq2NDTMaBB|2^31|1:1
a=maxptime:200
a=rtcp:25600
a=rtpmap:114 x-msrta/16000
a=fmtp:114 bitrate=29000
a=rtpmap:111 SIREN/16000
a=fmtp:111 bitrate=16000
a=rtpmap:112 G7221/16000
a=fmtp:112 bitrate=24000
a=rtpmap:115 x-msrta/8000
a=fmtp:115 bitrate=11800
a=rtpmap:116 AAL2-G726-32/8000
a=rtpmap:4 G723/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:97 RED/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=encryptionptional
$$end_record

---Snip----

TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000f8e5 (SIPStack,CISIPRequest::CreateTypicalResponse:762.idx(1467))( 03369258 ) Exit, App http://www.microsoft.com/LCS/OutboundRouting, response code: 101, message:033AB978
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fa5c (SIPStack,CISIPMessage<ISIPRequest>:end:1160.idx(2357))( 0336F9A0 ) App http://www.microsoft.com/LCS/OutboundRouting, message:033AB978
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fa65 (SIPStack,CSIPStateRecord::_AcquireExecutionContextOrQueue<APPMESSAGE_WORK_ITEM_PARAMS>:822.idx(264))( 010B0B80 ) Queued message [033AB978] processing pending completion of other event(s) for state record
TL_INFO(TF_COMPONENT) [0]0C5C.0C24::01/04/2008-16:58:59.717.0000fa6f (OutboundRouting,OutboundRouting.OnRequest:856.idx(236))( 028F1359 )Exit
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fa81 (SIPStack,CISIPEvent::CompleteProcessing:925.idx(349))( 0114FA30 ) App: http://www.microsoft.com/LCS/OutboundRouting done for eventIP_TRANSACTION_REQUEST_STARTED
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000faa7 (SIPStack,CTransactionStateMachine::MakeStateTransition:1365.idx(576))( 01137538 ) Event[TS_EV_REQUEST] transitioned to state[TS_ST_REQUESTPENDING] generating event[SIP_TRANSACTION_REQUEST_STARTED] timeout [32]
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fad3 (SIPStack,CModuleManager:ubmitItemToEM:85.idx(160))( 010AC158 ) Calling OnEvent into App [SIP_MODULE_API][http://www.microsoft.com/LCS/OutboundRouting][0x10012] for eventIP_TRANSACTION_REQUEST_STARTED
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000faf4 (SIPStack,CISIPEvent::CompleteProcessing:925.idx(349))( 0114F9F8 ) App: http://www.microsoft.com/LCS/OutboundRouting done for eventIP_TRANSACTION_REQUEST_STARTED
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb13 (SIPStack,CSIPRequest::GetNextHopByRouteHeader:311.idx(1994))( 033AB410 ) Exit - there is no route header in the message, use request uri for routing
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb15 (SIPStack,CSIPRequest::IsTrustedForRouting:311.idx(103))( 033AB410 ) routedByApplication [0x00000001(true)], routeHeadersValidated [0x00000000(false)], sourceTrusted [0x00000000(false)], serverGRUU [0x00000000(false)]. TrustedForRouting = 0x00000001(true)
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb18 (SIPStack,RoutingLogic::GetDestinationFromUrl:543.idx(432))Using maddr as destination
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb1e (SIPStack,CSIPRequest::RouteRequestUriAddr:311.idx(2214))( 033AB410 ) Exit - ok, not an IP address
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb37 (SIPStack,CSIPRequest::IsTrustedForRouting:311.idx(103))( 033AB410 ) routedByApplication [0x00000001(true)], routeHeadersValidated [0x00000000(false)], sourceTrusted [0x00000000(false)], serverGRUU [0x00000000(false)]. TrustedForRouting = 0x00000001(true)
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb54 (SIPStack,CSIPRequest::IsTrustedForRouting:311.idx(103))( 033AB410 ) routedByApplication [0x00000001(true)], routeHeadersValidated [0x00000000(false)], sourceTrusted [0x00000000(false)], serverGRUU [0x00000000(false)]. TrustedForRouting = 0x00000001(true)
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fb91 (SIPStack,CSIPRequest::FinalPrepForSend:311.idx(3603))( 033AB410 ) Adding Record-Route/Path due to: register[0x00000000(false)] (dialog [0x00000001(true)] and not disabled for GRUU[0x00000001(true)]) em[0x00000000(false)]
TL_INFO(TF_DIAG) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fbd3 (SIPStack,SIPAdminLog::TraceDiagRecord:1224.idx(144))$$begin_record
LogType: diagnostic
Severity: information
Text: Routed a request on behalf of an application
SIP-Start-Line: INVITE sip:+17747600471@vm-ocs2.hq.sentri.com:5061;user=phone;maddr=vm-ocs2.hq.sentri.com SIP/2.0
SIP-Call-ID: ef7644f721284337acf83eacc911f354
SIP-CSeq: 1 INVITE
Peer: vm-ocs2.hq.sentri.com:5061
Data: destination="vm-ocs2.hq.sentri.com";application="http://www.microsoft.com/LCS/OutboundRouting"
$$end_record

TL_INFO(TF_PROTOCOL) [0]07D4.0C4C::01/04/2008-16:58:59.717.0000fc26 (SIPStack,SIPAdminLog::TraceProtocolRecord:1224.idx(122))$$begin_record
Instance-Id: 0000032E
Direction: outgoing
Peer: vm-ocs2.hq.sentri.com:5061
Message-Type: request
Start-Line: INVITE sip:+17747600471@vm-ocs2.hq.sentri.com:5061;user=phone;maddr=vm-ocs2.hq.sentri.com SIP/2.0
From: "John Partridge"<sip:JPartridge@sentri.com>;tag=08f7c6fa53;epid=53b27e072d
To: <sip:+17747600471@sentri.com;user=phone>
CSeq: 1 INVITE
Call-ID: ef7644f721284337acf83eacc911f354
ms-user-data: ms-publiccloud=true;ms-federation=true
Record-Route: <sip:vm-ocs1.hq.sentri.com:5061;transport=tls;ms-role-rs-to;lr>;tag=D073FDB3BBE26936DC66A78798B0AB37
Via: SIP/2.0/TLS 10.12.80.41:2436;branch=z9hG4bK7EECC5D6.91192127;branched=FALSE
Max-Forwards: 69
Content-Length: 1292
Via: SIP/2.0/TLS 10.12.80.67:1721;ms-received-port=1721;ms-received-cid=200
P-Asserted-Identity: "John Partridge"<sip:JPartridge@sentri.com>
Contact: <sip:JPartridge@sentri.com;opaque=user:epidt-6qSFxelaVZAjeFGKbgwAA;gruu>
User-Agent: UCCP/2.0.6362.0 OC/2.0.6362.0 (Microsoft Office Communicator)
Ms-Conversation-ID: AchO8xpk0zv4ZJ3xQ++QpthAejqALQ==
Supported: timer
Supported: ms-sender
Supported: ms-early-media
ms-keep-alive: UAC;hop-hop=yes
Supported: ms-conf-invite
Content-Type: application/sdp
Message-Body: v=0
o=- 0 0 IN IP4 10.12.80.67
s=session
c=IN IP4 10.12.80.67
b=CT:99980
t=0 0
m=audio 62336 RTP/AVP 114 111 112 115 116 4 8 0 97 101
k=base64:2EuyRa9c+YWLxsvPFe6Vxvzx/EM93sppAszPoyetSFMBldLqHWdpZgGlOgP9
a=candidate:UVKDFXjfPsocvWmM7gk+979STZZpvZBTIsiFAU55wWs 1 eKsxz0/44ZWvvZR8XYhg6A UDP 0.900 10.12.80.67 62336
a=candidate:UVKDFXjfPsocvWmM7gk+979STZZpvZBTIsiFAU55wWs 2 eKsxz0/44ZWvvZR8XYhg6A UDP 0.900 10.12.80.67 25600
a=candidate:mJnsInIl08Necy7BUHqX0maCwZyJKM4YpfMj7KZnWlI 1 7/aLj2jAe7GlM+0WMEhIsw UDP 0.900 10.12.180.54 17280
a=candidate:mJnsInIl08Necy7BUHqX0maCwZyJKM4YpfMj7KZnWlI 2 7/aLj2jAe7GlM+0WMEhIsw UDP 0.900 10.12.180.54 54528
a=cryptoscale:1 client AES_CM_128_HMAC_SHA1_80 inline:K5tLBbXBZlRjp2VAhdCiRJuVf/qtlo1Kx642CGOq|2^31|1:1
a=crypto:2 AES_CM_128_HMAC_SHA1_80 inline:vAsqQuHq2+RR7Sy5brO8xRr5zXd/Efdq2NDTMaBB|2^31|1:1
a=maxptime:200
a=rtcp:25600
a=rtpmap:114 x-msrta/16000
a=fmtp:114 bitrate=29000
a=rtpmap:111 SIREN/16000
a=fmtp:111 bitrate=16000
a=rtpmap:112 G7221/16000
a=fmtp:112 bitrate=24000
a=rtpmap:115 x-msrta/8000
a=fmtp:115 bitrate=11800
a=rtpmap:116 AAL2-G726-32/8000
a=rtpmap:4 G723/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:97 RED/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=encryptionptional
$$end_record

BAD CALL

========

(SIPStack,SIPAdminLog::TraceProtocolRecord:1224.idx(122))$$begin_record
Instance-Id: 00000254
Direction: incoming
Peer: 10.12.80.67:1721
Message-Type: request
Start-Line: INVITE sip:+17747600471@sentri.com;user=phone SIP/2.0
From: <sip:JPartridge@sentri.com>;tag=0572d2e57f;epid=53b27e072d
To: <sip:+17747600471@sentri.com;user=phone>
CSeq: 1 INVITE
Call-ID: a3b2f6a8c16044dda558a06dabb5d4b3
Via: SIP/2.0/TLS 10.12.80.67:1721
Max-Forwards: 70
Contact: <sip:JPartridge@sentri.com;opaque=user:epidt-6qSFxelaVZAjeFGKbgwAA;gruu>
User-Agent: UCCP/2.0.6362.0 OC/2.0.6362.0 (Microsoft Office Communicator)
Ms-Conversation-ID: AchO758ZyEJC/RdGSUyJaIuI7dFZXw==
Supported: timer
Supported: ms-sender
Supported: ms-early-media
ms-keep-alive: UAC;hop-hop=yes
P-Preferred-Identity: <sip:JPartridge@sentri.com>
Supported: ms-conf-invite
Proxy-Authorization: Kerberos qop="auth", realm="SIP Communications Service", opaque="5FEB2979", crand="b46f7186", cnum="127", targetname="sip/vm-ocs1.hq.sentri.com", response="602306092a864886f71201020201011100ffffffff2a5cd89c4e54e05b459d10422ac71a20"
Content-Type: application/sdp
Content-Length: 1291
Message-Body: v=0
o=- 0 0 IN IP4 10.12.80.67
s=session
c=IN IP4 10.12.80.67
b=CT:99980
t=0 0
m=audio 28928 RTP/AVP 114 111 112 115 116 4 8 0 97 101
k=base64:vlMhCtyIEzO6o7dq8cBvLOvgVR5xCYtB/ImioVcgsjrGpWpgPYFA5d2TLXcD
a=candidate:YxWEMWapmRNjpS+o6fIvdgmOwP1/FSNrRE8Cr1dVxBM 1 UhEZJwRakSKJ9pc2sbb3cw UDP 0.900 10.12.80.67 28928
a=candidate:YxWEMWapmRNjpS+o6fIvdgmOwP1/FSNrRE8Cr1dVxBM 2 UhEZJwRakSKJ9pc2sbb3cw UDP 0.900 10.12.80.67 63744
a=candidate4OMbFCRYZFXnqEQm89Xx7MDSrZy0Yxe7RbNtutRM2A 1 63TQl1030j7Kmu2EGEEShA UDP 0.900 10.12.180.54 62592
a=candidate4OMbFCRYZFXnqEQm89Xx7MDSrZy0Yxe7RbNtutRM2A 2 63TQl1030j7Kmu2EGEEShA UDP 0.900 10.12.180.54 9600
a=cryptoscale:1 client AES_CM_128_HMAC_SHA1_80 inline:0CfA7PITDGPp3Rr/WF0+c8i+VbWnQ6TJPfzQYpaK|2^31|1:1
a=crypto:2 AES_CM_128_HMAC_SHA1_80 inlineyRUQwwvpeUOI+6G9A7DxOryaZcwcXk51w66XkjV|2^31|1:1
a=maxptime:200
a=rtcp:63744
a=rtpmap:114 x-msrta/16000
a=fmtp:114 bitrate=29000
a=rtpmap:111 SIREN/16000
a=fmtp:111 bitrate=16000
a=rtpmap:112 G7221/16000
a=fmtp:112 bitrate=24000
a=rtpmap:115 x-msrta/8000
a=fmtp:115 bitrate=11800
a=rtpmap:116 AAL2-G726-32/8000
a=rtpmap:4 G723/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:97 RED/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=encryptionptional
$$end_record

--- Snip ---

TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a748 (SIPStack,CModuleManager:ubmitItemToEM:85.idx(160))( 010AC158 ) Calling OnEvent into App [SIP_MODULE_API][http://www.microsoft.com/LCS/OutboundRouting][0x10012] for eventIP_TRANSACTION_REQUEST_STARTED
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a769 (SIPStack,CISIPEvent::CompleteProcessing:925.idx(349))( 0114F9F8 ) App: http://www.microsoft.com/LCS/OutboundRouting done for eventIP_TRANSACTION_REQUEST_STARTED
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a788 (SIPStack,CSIPRequest::GetNextHopByRouteHeader:311.idx(1994))( 03382DC0 ) Exit - there is no route header in the message, use request uri for routing
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a78a (SIPStack,CSIPRequest::IsTrustedForRouting:311.idx(103))( 03382DC0 ) routedByApplication [0x00000001(true)], routeHeadersValidated [0x00000000(false)], sourceTrusted [0x00000000(false)], serverGRUU [0x00000000(false)]. TrustedForRouting = 0x00000001(true)
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a78d (SIPStack,RoutingLogic::GetDestinationFromUrl:543.idx(432))Using maddr as destination
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a793 (SIPStack,CSIPRequest::RouteRequestUriAddr:311.idx(2214))( 03382DC0 ) Exit - ok, not an IP address
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a7ac (SIPStack,CSIPRequest::IsTrustedForRouting:311.idx(103))( 03382DC0 ) routedByApplication [0x00000001(true)], routeHeadersValidated [0x00000000(false)], sourceTrusted [0x00000000(false)], serverGRUU [0x00000000(false)]. TrustedForRouting = 0x00000001(true)
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.729.0000a7c9 (SIPStack,CSIPRequest::IsTrustedForRouting:311.idx(103))( 03382DC0 ) routedByApplication [0x00000001(true)], routeHeadersValidated [0x00000000(false)], sourceTrusted [0x00000000(false)], serverGRUU [0x00000000(false)]. TrustedForRouting = 0x00000001(true)
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a816 ((Shared),ValidateCertChain:886.idx(1791))TrustStatus.dwErrorStatus: WINERROR= 1000040, TrustStatus.dwInfoStatus: WINERROR= 100
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a88c (SIPStack,CTransactionStateMachine::MakeStateTransition:1365.idx(576))( 01138990 ) Event[TS_EV_RESPONSE_100] transitioned to state[TS_ST_REQUESTPENDING_EXTENSION] generating event[SIP_TRANSACTION_REPLY_PROVISIONAL] timeout [32]
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a8bd (SIPStack,CModuleManager:ubmitItemToEM:85.idx(160))( 010AC158 ) Calling OnEvent into App [SIP_MODULE_API][http://www.microsoft.com/LCS/ClientVersionFilter][0x20022] for eventIP_TRANSACTION_REPLY_PROVISIONAL
TL_INFO(TF_COMPONENT) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a8d3 (SIPStack,CISIPEvent::CompleteProcessing:925.idx(349))( 0114FA30 ) App: http://www.microsoft.com/LCS/ClientVersionFilter done for eventIP_TRANSACTION_REPLY_PROVISIONAL
TL_INFO(TF_DIAG) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a99f (SIPStack,SIPAdminLog::TraceDiagRecord:1224.idx(144))$$begin_record
LogType: diagnostic
Severity: information
Text: Response successfully routed
SIP-Start-Line: SIP/2.0 100 Trying
SIP-Call-ID: a3b2f6a8c16044dda558a06dabb5d4b3
SIP-CSeq: 1 INVITE
Peer: 10.12.80.67:1721
Data: destination="JPartridge@sentri.com"
$$end_record

TL_INFO(TF_PROTOCOL) [0]07D4.0C4C::01/04/2008-16:34:04.744.0000a9d4 (SIPStack,SIPAdminLog::TraceProtocolRecord:1224.idx(122))$$begin_record
Instance-Id: 00000255
Direction: outgoing;source="local"
Peer: 10.12.80.67:1721
Message-Type: response
Start-Line: SIP/2.0 100 Trying
From: <sip:JPartridge@sentri.com>;tag=0572d2e57f;epid=53b27e072d
To: <sip:+17747600471@sentri.com;user=phone>
CSeq: 1 INVITE
Call-ID: a3b2f6a8c16044dda558a06dabb5d4b3
Authentication-Info: Kerberos rspauth="602306092A864886F71201020201011100FFFFFFFF33EFF940A28E265F3C15D1D085A8A4B6", srand="31375F41", snum="184", opaque="5FEB2979", qop="auth", targetname="sip/vm-ocs1.hq.sentri.com", realm="SIP Communications Service"
Via: SIP/2.0/TLS 10.12.80.67:1721;ms-received-port=1721;ms-received-cid=200
Content-Length: 0
Message-Body: –
$$end_record

Friday, January 4, 2008 5:44 PM

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Oh I didn't see this post earlier. I just posted a similiar problem today. Try using VoIP Test then post the output. I would like to compare and see if we trully are having the same issue.

Is there a delay in the ring back? Meaning, does the end user hear beeps before ringing when placing a PSTN call?

If you don't restart the Mediation Server, will the callers eventually be able to call again?

In my situation, the user places call to PSTN, then the same calls fall, and then it works again without me needing to reboot the server.

Are environments are different though. I have Cisco Gateway and Cisco CM 5.0 on the same switch seperated from the OCS environment by a juniper gateway.

I will look forward to your response. Hopefully we can help each other resolve this quirky behavior.

Thanks, Jo

Friday, January 11, 2008 8:45 PM

Asked by:

Outbound calls stop working after a period of time.

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