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  1. Can't call from hardware SIP phones but can RX.

    I have a lot of experience with other SIP PBXs, this is my first with 3CX. All the below is just internal calls only, I have not done anyting external yet: I have the 3CX soft phone on my PC, and on my iOS devices and they work great to call each other no problem. I also have a couple of...
  2. Can't call from hardware SIP phones but can RX.

    Yes Sorry. Just internal at this point. The Aastra phones can't call to another phone but can receive calls. The 3CX phones work perfect.
  3. Can't call from hardware SIP phones but can RX.

    Hello Everyone, I am new to 3CX but not new to SIP. I just set up a simple system in my house. I have 5 Aastra 57i phones. They all register to 3CX and I can call them all and have a conversation from a 3CX softphone. But when I try and call out from any of these hardware phones (with the two...
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