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connection plar versus connection plar opx ??

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??

voice-port 0/1/1

connection plar opx 7778

or

connection plar 7778

description Incoming Line 1

caller-id enable

Thanks in advance,

Tony

1 REPLY
Green

Re: connection plar versus connection plar opx ??

Hi,

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

G

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