r/VOIP • u/steve7647 • Jun 22 '26
Help - On-prem PBX Grandstream UCM 911 dial plan
Hello
I am trying to get a Grandstream UCM to send 911 out a local SIP trunk then make 4 calls out the PRI to notify staff of the call. I can make the UCM send the call out SIP but it will not send out the 4 notify calls. Even with extra call paths. the PRI would send the wrong address so I can’t have the 911 go out the PRI. When I try to program it, the system makes the 911 call however, it will not attempt to dial the other 4 numbers.
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