
4
Voice Software Enhancements for the Cisco 1750 and Cisco 1751 Routers
OL-1671-01
Supported Features
Configuring Caller ID
After configuring the voice port, follow these steps to configure Caller ID on FXS and FXO voice ports:
Step 9
Router(config-voiceport)# ring
frequency {25 | 50}
(Optional. FXS ports only.) Select the appropriate ring frequency (in
Hertz) specific to the equipment attached to this voice port.
Step 10
Router(config-voiceport)# Caller ID
attenuation attenuation
(Optional. FXS ports only.) To specify an attenuation other than the
default of 14 dB (-14 dBm), enter a value of from 0 to 64, in decibels.
Step 11
Router(config-voiceport)# ring
number number
(Optional. FXS ports only.) Specify the maximum number of rings to be
detected before answering a call.
Command Purpose
Command Purpose
Step 1
Router(config-voiceport)# Caller ID
enable
This command applies to FXS voice ports that send Caller ID
information and to FXO ports that receive it.
By default Caller ID is disabled.
Note If the station name, station number,oraCaller ID alerting
command is configured on the voice port, these automatically
enable Caller ID, and the Caller ID enable command is not
necessary.
Step 2
Router(config-voiceport)# station
name
name
Configure the station name on FXS voice ports connected to user
telephone sets. This sets the Caller ID information for on-net calls
originated by the FXS port. You can also configure the station name on
an FXO port of a router for which incoming Caller ID from the PSTN
subscriber line is expected. In this case, if no Caller ID information is
included on the incoming PSTN call, the call recipient receives the
information configured on the FXO port instead. If the PSTN
subscriber line does provide Caller ID information, this information is
used and the configured station name is ignored.
The name is a character string of 1 to 15 characters identifying the
station.
Note This command applies only to Caller ID calls, not to
Automatic Number Identification (ANI) calls. ANI supplies
calling number identification only.
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