Already read alot of the same Cisco mumbo/jumbo documents on plar and plar opx, but I just don't get the difference between connection plar <digits> and connection plar opx <digits>. For the following configuration where PSTN calls are coming to an FXO port which passes them on to DN 7778 which is an ephone-dn on a button of a receptionist phone which is the better command to use for this situation??
When the OPX keyword is configured, this indicates to the GW that the destination is an OFF-PREMISE Exchange (OPX), When the opx is coded, the FXO port does not answer the call until the remote side is available. If the OPX keyword is not configured, the call is answered after the specified number of rings, even if the destination number is unavailable.
The number of rings to wait is customizable between one and ten using the ring number command in the voice port configuration
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
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CUCM Database Replication is an area in which Cisco customers and
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