How to SIP with PBX? (DDI's, multiple Calls)

Discussion in '3CX Phone System - General' started by matt224, Apr 10, 2008.

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  1. matt224

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    Current Setup is: BT Feature Line with about 16 DDI

    How do you make multiple calls when using SIP?

    If i'm on the phone can another extension dial out or receive a call? Or do I have to register more than one sip account on the 3CX PBX?
     
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