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Posts: 2
Registered: ‎04-25-2016

Voice Issues: Edge Router Pro- Unable to make outgoing calls over SIP

I recently setup a ER-PRO with a PBX residing on my local network . My ISP hands off a SIP Peers using a local network internal to them as well. Initially, i was unable to register the SIP peer, after doing a SNAT, DNAT rules and adjusting the SIP ALG (based on suggestions on forums). I was able to ping their SIP peer. Incoming calls working fine.

However, I am unable to get outgoing calls from the phones. Any assistance will be greatly appreciated. 

 

SuperUser
Posts: 40,413
Registered: ‎06-23-2009
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Re: Voice Issues: Edge Router Pro- Unable to make outgoing calls over SIP

I'm not quite sure what this means:
" My ISP hands off a SIP Peers using a local network internal to them as well."

What do you mean by 'hands off' and what does

'internal to them as well' mean? This almost

sounds like a VPN strategy of some kind.

 

Typically a SIP phone or PBX registers to an ISP

server to acquire a SIP trunk. You have to open

some ports in the router to permit traffic. Can you

provide more details or an example of what your

ISP requires?   Dave


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