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Caller ID on Cisco 2600 and 3600 Series Routers and Cisco MC3810 Multiservice Concentrators
Caller ID Configuration Task List
VC-815
Cisco IOS Voice, Video, and Fax Configuration Guide
Caller ID Configuration Task List
Voice-port configuration is the only special configuration required to support caller ID. To configure
your voice network fully, use the reference information in the section “Caller ID Prerequisites Tasks”
section on page 814 to perform the following tasks on your routers:
• Configure your IP, ATM, or Frame Relay network to support real-time voice traffic.
• Configure voice cards for codec settings.
• Configure voice dial peers. Each dial peer defines the characteristics associated with a call leg.
The remainder of this section describes the steps required to configure caller ID on FXS and FXO voice
ports.
Configuring Voice Ports to Support Caller ID
To configure voice ports to support caller ID, use the following commands beginning in global
configuration mode:
Command Purpose
Step 1
Router(config)# voice-port slot/port
or
Router(config)# voice-port
slot-number/subunit-number/port
Enters voice-port configuration mode on a
Cisco MC3810 multiservice concentrator. The slot
number for analog voice ports on the Cisco
MC3810 multiservice concentrator is always 1.
There is no port 0 for voice ports.
Enters voice-port configuration mode on a
Cisco 2600 or 3600 series router.
Step 2
Router(config-voiceport)# connection {plar | tie-line
| plar-opx} digits {trunk digits [answer-mode]}
Specifies the voice-port connection type and the
destination telephone number. The keywords and
arguments are as follows:
• plar—Specifies private line automatic
ringdown.
• tie-line—Specifies a tie-line connection to a
PBX.
• plar-opx—Specifies a PLAR off-premises
extension (the local voice port provides a local
response before the remote voice port receives
an answer).
• trunk—Specifies a straight tie-line
connection to a PBX.
• answer-mode—Indicates whether a trunk
connection is specified. The router should not
attempt to initiate a trunk connection, but
should wait for an incoming call before
establishing the trunk.
• digits—Specifies the destination telephone
number.