Enabling Outgoing and Incoming Call Barring will prevent a phone from receiving or placing a trunk call on an IP Office. The problem I am having is that the phone can still connect with a phone that isn't barred and either have an external call transferred or conferenced with the phone. Does...
I was setting up a SIP station using a Grandstream GXP-2000 and ran into a problem where the phone could call out, but if another phone tried to call it they would receive a busy signal. I tried a Polycom phone in its place and ran into the same thing. What made it start working was rebooting...
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