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connection

Release 12.0(7)XK

Usage Guidelines

Use this command to specify a connection mode for a speciﬁc interface. For example, use the

connection plar command to specify a PLAR interface. The string you conﬁgure for this command

is used as the called number for all incoming calls over this connection. The destination peer is

determined by the called number.

Use the connection trunk command to specify a straight tie-line connection to a PBX. You can use

the connection trunk command for E&M-to-E&M trunks, FXO-to-FXS trunks, and FXS-to-FXS

trunks. Signaling will be transported for E&M-to-E&M trunks and FXO-to-FXS trunks; signaling

will not be transported for FXS-to-FXS trunks.

If you desire one of the devices in a static trunk connection to act as slave and receive calls only, use

the answer-mode option with the connection trunk command when conﬁguring that device.

Note When using the connection trunk command, you must perform a shutdown/no shutdown

command sequence on the voice port.

The connection tie-line command is used on the Cisco router when a dial plan requires that

additional digits be added in front of any digits dialed by the PBX, and that the combined set of digits

be used to route the call via the dial-peers and into the network. The operation is similar to the

connectionplar command operation, butin this case the tie-line portalsowaits to collect digitsfrom

the PBX. The tie-line digits are also automatically stripped by a terminating port.

If the connection command is not conﬁgured, the standard session application outputs a dial tone

when the interface goes off-hook until enough digits are collected to match a dial-peerand complete

the call.

Examples

The following example selects PLAR as the connection mode on a Cisco 3600, with a destination

telephone number of 555-9262:

router(config)# voice-port 1/0/0

router(config-voiceport)# connection plar 5559262

The following example selects tie-line as the connection mode on a Cisco MC3810, with a

destination telephone number of 555-9262:

router(config)# voice-port 1/1

router(config-voiceport)# connection tie-line 5559262

The following example speciﬁes a PLAR off-premises extension connection on a Cisco 3600, with

a destination telephone number of 555-9262:

router(config)# voice-port 1/0/0

router(config-voiceport)# connection plar-opx 5559262

The following example conﬁgures a Cisco 3600 series router for a trunk connection and speciﬁes

that it will establish the trunk only when it receives an incoming call:

router(config)# voice-port 1/0/0

router(config-voiceport)# connection trunk 5559262 answer-mode

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Cisco MC3810 Guía de instalación Pagina 40