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 ‘Call Manager – CUCM’ 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. [...]
Logging Missed Calls Shared line
Posted: March 2, 2012 in Call Manager - CUCM, Features, IP Phones & ATAsTags: Call manager Extension mobility, IP Phone, Log missed calls
With the missed call logging for shared lines feature, the administrator can configure Cisco Unified Communications Manager Administration, or the phone user can configure Cisco Unified CM User Options, so Cisco Unified Communications Manager logs missed calls in the call history to a specified shared line appearance on a phone. This will only work if [...]
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 [...]
Hair-pinning Or redirecting a call from Gateway
Posted: January 22, 2012 in Call Manager - CUCM, CME, Gateways, H323Tags: H323, h323 Redirect, Hairpinning Redirect, hairpinning VOIP
There are times when you would like to forward a call coming into your gateway out to PSTN before it goes to Call manager. Reason could be WAN outage to Call managers or Call manager down situation. This is how you can route out an incoming call out of the gateway. Let suppose the mainline [...]
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#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 [...]
How to Configure “Extension Mobility”
Posted: July 7, 2011 in Call Manager - CUCM, FeaturesTags: CUCM, Extension mobility
I had a request to do a quick write up on how to configure extension mobility properly. These are the steps involved (considering Call manager Linux versions): 1 – Configure extension mobility service by going into Device > Device settings > Phone Services The service URL is : http://call-manager-IP:8080/emapp/EMAppServlet?device=#DEVICENAME# If you want to set it [...]
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 [...]
