Datasheet

Configuring Voice Ports
Configuring Digital Voice Ports
VC-72
Cisco IOS Voice, Video, and Fax Configuration Guide
To configure controller settings for digital T1/E1 voice ports, use the following commands beginning in
global configuration mode:
Command Purpose
Step 1
Cisco 7200 and 7500 series
Router(config)# card type {t1 | e1} slot
Defines the card as T1 or E1 and stipulates the
location.
The keywords and arguments are as follows:
• t1 | e1—Defines the type of card.
• slot—A value from 0 to 5.
Step 2
Cisco 2600 and 3600 series, Cisco MC3810, and Cisco 7200 series
Router(config)# controller {t1 | e1} slot/port
Cisco AS5300
Router(config)# controller {t1 | e1} number
Cisco AS5800
Router(config)# controller {t1 | e1} shelf/slot/port
Cisco 7500 series
Router(config)# controller {t1 | e1}
slot/port-adapter/slot
Enters controller configuration mode.
The keywords and arguments are as follows:
• t1 | e1—The type of controller.
• slot/port—The backplane slot number and
port number for the interface being
configured.
• number—The network processor module
number; the range is from 0 to 2.
• shelf/slot/port—Indicates the controller ports;
the range for port is from 0 to 11.
Step 3
T1
Router(config-controller)# framing {sf | esf}
E1
Router(config-controller)# framing {crc4 | no-crc4}
[australia]
Selects frame type for T1 or E1 line.
The keywords and arguments are as follows:
T1 lines
• sf—super frame
• esf—extended super frame
E1 lines
• crc4—Provides 4 bits of error protection.
• no-crc4—Disables crc4.
• australia—(Optional) Specifies the E1 frame
type used in Australia.
The default for T1 is sf.
The default for E1 is crc4.