Sunday, October 2, 2011

Grandstream GXP 2000 -Conference alarm 3-way

How have a 3-way conference call using the Grandstream GXP 2000 - (Connected to a Trixbox Asterisk based PBX)



http://www.youtube.com/watch?v=hlZ6JqE1MT4&hl=en

Tags : centralino telefonico ip centrex

Posted by samphaothet at 9:09 PM
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