A key aspect to troubleshooting Cisco IP Phones is understanding how they boot up and register in the first place.
This post is written with the explicit intention of simplifying the process as much as possible.
Let’s get started.
Collaboration
Cisco Voice Lab: Which Softphone Option is Best?
The best way to learn something is to get your hands on it and play around with it yourself.
Technology is no different. In reality however, this can prove difficult.
If you have or are thinking of building a Cisco Voice lab, then the aside from the Call Manager/Unity/UCCX servers themselves, you will need to deal with the question of how you will simulate your IP Phones.
Common Extension Mobility Errors
Extension Mobility is great, but sometimes it can freak out. Justified or unjustified, here is a list of common errors you may experience with it along with their solutions.
This list will be expanding as more are experienced.
Verifying Network Connectivity from Call Manager
If you are having issues with Call Manager not being able to connect to a device/network, a simple ping command may help you get a better understanding of the situation.
But remember, pinging from a device to Call Manager doesn’t necessarily mean that Call Manager can ping back. We need to find a way to test pinging from the Call Manager.
Adding a User on Call Manager
You need to make a new user on Call Manager.
How hard can it be right? Just add a user profile or something – easy right?
Well you’d be half right, it is easy – but only if you know how it works. Let me explain. A functioning user with Extension Mobility is comprised of 3 main sections: