Strange. Are their phone configured for skinny instead of sip? That dead air and busy usually indicates an incorrect response if I remember correctly. Where is that phone guru Chuck? On Apr 3, 2015 8:08 AM, "Keefe John" <[email protected]> wrote:
> We have a customer trying to configuring their UC-500 Phone system with > our SIP Trunks. They can't seem to figure it out and we're not UC-500 > experts. Their system registers to our server but incoming calls get dead > air for 60 seconds, then ring once, then an all circuits are busy error. > At first they thought it might be NAT related so they setup 1:1 NAT with > wide open firewall rules and it does the same thing. > > Any advice would be greatly appreciated! > > Thanks, > > Keefe >
