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Configuring Voice Ports
Voice over IP for the Cisco AS5800 9
To configure basic ISDN parameters for Voice over IP on the Cisco AS5800, perform the following
steps:
As mentioned, under most circumstances, the default voice-port command values are adequate to
configure voice ports to transport voice data over your existing IP network. If you need to configure
specific voice port parameters, perform the following steps beginning in privileged EXEC mode:
Step Command Purpose
1
Router(config)# isdn switch-type switch-type
Defines the telephone company’s switch type.
2
Router(config)# controller T1 1/0/0
or
Router(config)# controller T1 1/0/0:1
Enables the T1 0 controller on the T1 card and enters
controller configuration mode, or
Enables the T1 1 controller on the T3 card and enters
controller configuration mode.
3
Router(config)# framing esf
Defines the framing characteristics.
4
Router(config)# linecode value
Sets the line code type to match that of your telephone
company service provider.
5
Router(config)# pri-group timeslots range
Configures ISDN PRI.
6
Router(config)# controller T1 1/0/1
or
Router(config)# controller T1 1/0/0:2
Enables the T1 1 on the T1 card controller and enters
controller configuration mode, or
Enables the T1 2 controller on the T3 card and enters
controller configuration mode.
7
Router(config)# framing esf
Defines the framing characteristics.
8
Router(config)# linecode value
Sets the line code type to match that of your telephone
company service provider.
9
Router(config)# pri-group timeslots range
Configures ISDN PRI.
10
Router(config)# interface Serial1/0/0:23
or
Router(config)# interface Serial1/0/0:1:23
Configures the channel for the first ISDN PRI line on the
T1 card. (The ISDN serial interface is the D channel.) or
Configures the channel for the first ISDN PRI line on the
T3 card.
11
Router(config)# isdn incoming-voice modem
Enables incoming ISDN voice calls. This command has
two possible keywords: data and modem. You must use
the modem keyword to enable voice calls. The modem
keyword represents bearer capabilities of speech.
12
Router(config)# interface Serial1/0/1:23
or
Router(config)# interface Serial1/0/0:2:23
Configures the channel for the second ISDN PRI line.or
Configures the channel for the second ISDN PRI line on
the T3 card.
13
Router(config)# isdn incoming-voice modem
Enables incoming ISDN voice calls. This command has
two possible keywords: data and modem. You must use
the modem keyword to enable voice calls. The modem
keyword represents bearer capabilities of speech.
Step Command Purpose
1
Router# configure terminal
Enters global configuration mode.
2
Router(config)# voice-port {shelf/slot/port:D}|
{shelf/slot/parent:port:D}
Identifies the voice port you want to configure and enters
voice-port configuration mode.