ShoreTel SIP, Mobility Router & the Firewall (Part 1)

This is not a SIP tutorial,  only an overview on the issues that impact remote SIP phones on any iPBX.  When you set up a SIP call between two end points, there are upwards of four “holes” that might need to be punched in your firewall for the phone call to work properly.  Clearly, there is the entire process of registering a remote phone and the process of setting up a phone.  Once these events have been negotiated ...
For ShoreTel Support... Read the entire article on ShoreTel SIP Mobility Router & the Firewall on DrVoIP VoIP Blog.
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This page contains a single entry by Peter Buswell (aka DrVoIP) published on August 24, 2012 12:04 PM.

How to Ring more than 16 phones in a ShoreTel Hunt Group was the previous entry in this blog.

iPBX Call Center Backup is the next entry in this blog.

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