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Joined: Sep 2015
Posts: 6
Member
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OP
Member
Joined: Sep 2015
Posts: 6 |
I have run across a problem with one SIP carrier that we get one way audio with MPS on yet I have two other carriers MPS/MGI works great with no port forwarding of the 40000 range.
When we turn off MPS and just use MGI(30000 range) it works just fine. Again no port forwarding is in use.
This is a 7100 with NO OAS in it. Just the 6 MGI on the MP which with IP phones limits us to 3 calls of course.
We would like to use the MPS with this carrier and save the customer the cost of buying an OAS when the system already has enough resources if MPS can be used.
I have tried Private only and Private with public and it made no difference.
Do we need to set up a port forward of the MPS range to the MP even though they originate from the IP of the MP?
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