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Scenario#33 – Phones not registering CUCME
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...
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Scenario#34 – Cannot make International Calls from US gateway
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...
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Scenario#35 – How to logout in Bulk from 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...
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Scenario#36 – RTMT Alert LSIESG_AlertIndication 500605B00177F4C0 BBU disabled
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...
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Scenario#37 – Phone display “Error Pass Limit”
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...
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Scenario 38# Call Routing Issue – Intercept Pattern
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...
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Scenario#39 – CIMC of Cisco UCS C210-M2 showing false alarm
I was looking into a case for one of very high profile customer where their CIMC (Cisco Integrated Management Controller) was showing PS Redundancy status as ‘lost’. However, both PSU were up and...
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Scenario#40 – Access Personal Directory/FastDial without PIN
You may have come across this that though you are logged into your profile through Extension mobility but when you try to access your “Personal Directory” you will be prompted for a userid and pin....
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Scenario#41 – No Ringback tone from H323 Gateway going to SIP trunk
One of our customer reported an issue with ring back tone when calling their Contact center. I made a test call and observed that as a caller when you call their main Contact center number all you hear...
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Scenario#42 – CUC not working after adding Secondary Server
I came across an interesting scenario few days back where customer added a CUC Secondary server back to the Cluster but it was not working as it should. Customer had two CUC servers in the cluster in a...
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Scenario#47 – Jabber users see ‘offline’ status after logging in
I came across an issue for a client where few of their users would login to Jabber (ver 10.5) and see their presence status as ‘offline’. They won’t be able to change it as well. Other Jabber users...
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Scenario# 48 – Desktop share won’t work Jabber conference call
I was working on an issue for a client where they were not able to share screen if there are 3 or more particpants in a jabber conference call. They tested it on Jabber 10.6.1 and 10.6.6 but had same...
View ArticleScenario#43 – CUCM 9.1(2) RL/RG Reject Issue
Few weeks back I came across a issue for a customer who are on CUCM 9.12() cluster. The issue was outbound calls not reaching either of the MGCP gateways from a Translation pattern even though both...
View ArticleScenario#44 – CME Call Forward to Internal Extension not Working
I came across an interesting issue for a Swiss customer where they were having problem with Call-forward to an internal extension on their CME systems. Call-forward to an internal extension seems quite...
View ArticleScenario#45: 7841 SIP phone in Registration loop
I was working on this customer issue last week where they added a new 7841 phone but it was not registering properly or should I say it was registering briefly before unregistering. Call Manager was...
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Scenario#46 – 9951 SIP phones drop call after 18 seconds
Recently I came across an issue with a new customer deployment where the 9951 SIP phones would drop call after 18s. All other SCCP phones were working fine but only these SIP phones would drop the...
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Scenario#49 – UCCX: Call gets System Error message on IVR
Photo by energepic.com on Pexels.com I was looking at an issue a few days back where a customer complained that when they are selecting a particular IVR option the call gets connected to Music on Hold...
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Scenario#50 – Cisco MRA: Jabber cannot connect Softphone mode over Expressway
Photo by Pixabay on Pexels.com Due to COVID-19 and the global pandemic situation more and more people are working from home and are coming across different challenges. Many of them who use to work...
View ArticleScenario#51 – Unity Toll Fraud
The other day one of our key customer logged a priority incident with regards to a Toll Fraud. Their Carrier alerted them for possible malicious calls originating from their main ISDN number going to...
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