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I was able to resolve most of my problems with this configuration. I setup a new line for the SfB server with the following SIP URI: Channel 1: Local URI: * contact: * Display Name: * PAI: None Incoming Group: 4 Outgoing Group: 3 Channel 2 Local URI: Use Internal Data contact: Use Internal...

I have an external system Skype for Business (SfB) connected to the IP Office using a SIP Line. When the user calls out from the SfB client, I have an incoming call route that looks like this: Line Group: 4 Incoming Number: XXXXXXXXXXX Destination 9# This works fine if the user is making a call...

I have a client with a Skype for Business 2019 Server and I am trying to integrate this using SIP with their IP Office 9.0. There are a couple of articles about how to do this using SIP URI. I have attached one but it was only somewhere helpful. I have successfully been able to add the SfB...

We have a static IP but still have registration turned on. Is there a way we can stop the credentials from being sent automatically if we are using a static? I tried turning registration off thinking that would help but it did not seem to change anything. Thanks!

My IP500v2 is running R9.0.12.0 and I am using a NexVortex SIP Trunk. I had a lot of issues with this using R8.1 and when I upgraded to R9 most of them have been resolved. I have one remaining problem. Periodically outgoing calls get rejected. Typically if you hang up and try again, they go...

My firewall is a Watchguard and it does have SIP ALG enabled. We initially did not have this enabled and were just using a simple packets filter for UDP 5060. However, that creates a new problem where the internal IP address of the IP office is periodically sent to the carrier despite being set...

This is not in relation to the phone s or extension, this is for a SIP Trunk. I have the proper ports setup for the audio of the call and that's not the problem. It's the port used to setup the call that is changing.

I have an IP Office IP500v2 behind a Watchguard Firewall. The IP Office is running R8.1. I periodically am getting one way audio or dropped calls because the IP Office seems to be changing the port from UDP 5060 to random port numbers usually in the 1200 or 1300 range. I have the Firewall type...