Ben Petroff

Ben is one of Stack8's Unified Communications Consultants. He helps customers troubleshoot everyday Cisco Unified Communications challenges.

Recent Posts

Troubleshooting Cisco Phone Registration Issues in Cisco Unified Communications Manager CUCM

Posted by Ben Petroff on Jul 14, 2016 8:30:00 AM

Your company is a Cisco Unified Communications environment and you are having issues with registering phones to your environment. You verify the configuration on the Cisco Unified Communications Manager CUCM and everything seems okay, what are the possible issues preventing registration? How can I diagnose the issue?


PROBLEM

Your Cisco phone is not registering to Cisco Unified Communications Manager CUCM.

In this blog post, we will explore 3 possible solutions to troubleshoot in order to identify and resolve the issue.

Read More

Topics: Weekly UC Tips, CUCM, Cisco Unified Communications Manager

Troubleshooting Erroneous Call Flows and Toll Fraud in Cisco Unity and UCCX

Posted by Ben Petroff on May 5, 2016 11:32:07 AM

 

Your company is a Cisco Unified Communications environment and you are trying to identify an inbound call flow in order to diagnose an issue with hard facts. You ask yourself: "How can I find the call flow that is being accessed at the time of my issue?"  This guide will help you diagnose two use cases:  

  1. Erroneous call flows in Cisco Unity 
  2. Toll Fraud.

Although we are focusing on these two particular cases these solutions can be used to diagnose a variety of issues . 


PROBLEM

You are unable to figure out what the inbound caller is dialing before and after they access your system (Unity, UCCX).

Read More

Topics: Weekly UC Tips, Cisco Unity, UCCX

Troubleshooting a Fax from Cisco UC to an Isolated Destination

Posted by Ben Petroff on Apr 14, 2016 3:05:56 PM

Your company is an avid Cisco Unified Communications user and you recently successfully integrated a fax server using H323. The fax server is configured and working fine, however, you see an issue when sending a fax to a specific destination. Why are other fax destinations working, but not this one? How can I identify the source of the problem? What can I do to fix the issue?

Often our first impression is to think that the issue resides with the destination. However, through investigation, when this issue came up with many of our customers, we often found that not to be the case; the issue actually resided at the origin and not the destination.  We will explore the most probably causes to the problem and outline steps to resolving them.

 

PROBLEM

Unable to fax to an isolated destination number;  the other fax answers, but the transmission does not complete.

 

Read More

Topics: Weekly UC Tips, How to(s)

Troubleshooting Cisco Jabber Offline Status

Posted by Ben Petroff on Jan 20, 2016 2:23:04 PM

Your company is a Cisco Unified Communications environment and you have integrated Jabber for your internal Instant Messaging and Presence needs (IM&P). Someone at your company is trying to get in touch with you, but your Jabber status show as " Offline" even though you are logged in. How can I identify the source of the problem? What can I do to fix this issue?

This issue is usually a scattered occurrence and one that not everyone is able to observe, making troubleshooting a challenge.

PROBLEM
Jabber status shows as "Offline" to others, even though you are logged in.

Read More

Topics: Jabber, Weekly UC Tips, cisco jabber

Don’t miss out. Expert advice straight to your inbox!

Insightful tips, troubleshooting and solutions for your everyday Unified Communications challenges from our team of experts. You can look forward to:

  • Weekly UC tips;
  • Cisco Unified Communications insights;
  • UCCX - Contact Center insights;
  • Network and Security insights;
  • Cisco Release notes and Product reviews.
Join us for free live demo