Had a bizarre issue with one of the customer where they were trying to dial an internal extension and it was going to a mobile phone. There were no CFA/CFNA/CFB set on the extension itself but for some reason it was following this path. The Call manager version was 6.x. The call routing was designed [...]
Archive for the ‘Real World Scenarios’ Category
Scenario 38# Call Routing Issue – Intercept Pattern
Posted: April 19, 2012 in Call Manager - CUCM, Real World ScenariosTags: Intercept Call manager Routing Cisco
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Scenario#37 – Phone display “Error Pass Limit”
Posted: March 19, 2012 in Call Manager - CUCM, IP Phones & ATAs, Real World ScenariosTags: Busy Trigger, Cisco IP phone 7965 7961 7945 7941, Error Pass Limit, Unassigned DN
A customer reported an issue with their 7941 phone. The issue was they plugged in a new 7941 all configured at Call manager and it was showing “Error pass Limit” as follows: This sort of error normally comes when you have one of the following conditions: Too many unassigned directory numbers in Call manager i.e. [...]
Scenario#36 – RTMT Alert LSIESG_AlertIndication 500605B00177F4C0 BBU disabled
Posted: March 2, 2012 in Call Manager - CUCM, Real World ScenariosTags: Cisco CUCM, CSCti17353, LSIESG_AlertIndication 500605B00177F4C0 Battery, RTMT Call manager Alert
I was looking at some alerts for a customer when I found this in RTMT: At Thu Mar 01 04:42:41 CET 2012 on node 10.254.33.20, the following HardwareFailure events generated: hwStringMatch : Mar 1 04:42:10 AKDEUC00 daemon 4 Director Agent: LSIESG_AlertIndication 500605B0024A5360 BBU disabled; changing WB virtual disks to WT Sev: 3. AppID : Cisco [...]
Scenario#35 – How to logout in Bulk from Extension Mobility?
Posted: December 21, 2011 in Call Manager - CUCM, Real World ScenariosTags: Bulk Administration, Bulk Extension Mobility logout, Extension Mobility cisco, logout extension mobility
Recently we had a customer who asked if there is any way they can logout all users from extension mobility at the same time? There is no straight forward answer if you google it so I thought to compile this post for a quick reference. You can do this from Bulk Administration. Just browse to [...]
Scenario#34 – Cannot make International Calls from US gateway
Posted: August 2, 2011 in Call Manager - CUCM, H323, Real World ScenariosTags: Cisco Cal manager, H323 gateway, International call failes, Translation rules
One of our customer has multiple sites across the globe including sites in UK and US. Their initial design was to send all UK calls from US over a SIP trunk to break out from a UK gateway for LCR (least cost routing). For some reason they stopped using that trunk and configured local dial [...]
Scenario#33 – Phones not registering CUCME
Posted: July 29, 2011 in CME, Real World ScenariosTags: CUCME CME, Phones not registering, telephony_service
Interesting case today. I had a call from customer saying they had a power cut and when the power was restored all their phones went into ‘Registering’ status. I initially thought it could be a network issue from switches to CUCME gateway as the config was looking fine to me. I did a show ephone [...]
Scenario#32 – SIP Calls drop after 75 minutes
Posted: July 21, 2011 in Call Manager - CUCM, CUBE - Border Element, Features, H323, Miscellaneous, Real World Scenarios, SIPI had an interesting case where SIP calls over a SIP trunk were dropping after like 75 minutes. The duration was not confirmed as sometimes it use to drop even before 75 minutes. I looked into few CCSIP debugs (debug ccsip messages) and found that the ‘BYE’ message was actually coming from our end (Call [...]
Scenario#31 – Calls over ICT have delayed Voice
Posted: July 6, 2011 in Call Manager - CUCM, H323, Real World ScenariosTags: Delay over Intercluster trunk, Enable Outbound FastStart, H245 Delay, ICT trunk, Voice delay over ICT
I had an interesting case last week where calls over ICT trunk would connect but then either party will not hear each other for 8-10 seconds. The issue was first reported from US users trying to reach UK users over an Inter-cluster trunk (Non-GK). Both clusters had two call managers version 8.0.3. The whole issue [...]
Scenario#30 – Local Agent not Responding
Posted: June 3, 2011 in Call Manager - CUCM, Real World ScenariosTags: Cisco DRF, Local Agent is not responding, This may be due to Master or Local Agent being down
Came across an interesting issue where Customer was not able to access Disaster Recovery drop downs. I tried it myself and I was getting as follows: So it was Local agent not responding – I tried restarting the Cisco DRF Master and Local but that didn’t help. This is what I did to resolve the [...]
Scenario#29 – Certificate expired – %CCM_UNKNOWN-CERT-0-CertExpiryEmergency
Posted: March 2, 2011 in Call Manager - CUCM, Miscellaneous, Real World ScenariosTags: Certificate Expiry, M_UNKNOWN-CERT-0-CertExpiry, SyslogSeverityMatchFound
For one of our customer we noticed several RTMT SyslogSeverityMatchFound alerts generated every few minutes for Certificates expiration. The alerts I was getting were as follows: Feb 15 16:00:00, CCM-PUB, Emergency, Cisco Certificate Monitor, : 8947: Feb 15 16:00:00.57 UTC : %CCM_UNKNOWN-CERT-0-CertExpiryEmergency: Certificate Expiry EMERGENCY_ALARM Message:Certificate expiration Notification. Certificate name:tomcat Unit:tomcat Type:own-cert Expiration:Wed Mar 3 [...]
