IP Telephony and Phones

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Hi All,   starting to test a carrier service (SIP) which has an NTU that breaks out into traditional POTS services (Carrier SIP -> FXO -> 4331 Router) and am finding that when in SRST, that incoming caller ID is presenting calling number@loopback5 ad...

VLT06 by Level 3
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  • 3 replies
  • 0 Helpful votes

Hi All I have an issue with a voice gateway config We have a SIP Trunk configured from CUCM to a 2811 Gateway with 2 FXO Ports. Incoming calls on the on the PSTN are routing correctly to CUCM Outgoing calls from CUCM to the PSTN are failing, when att...

T_Daniel by Level 1
  • 818 Views
  • 1 replies
  • 1 Helpful votes