Specifications

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Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
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Chapter 7 Cisco IGX 8400 Series Voice Service
Switch Software Commands Related to Voice Service
When provisioning voice service, you will complete the following tasks:
1. Configure and activate the line (see the “IGX Line Configuration” section on page 5-3).
2. (optional—UVM only) Configure channel pass-through (see the “Channel Pass-Through” section
on page 7-5).Configure channel parameters for the voice connection (see the “Setting Up a Voice
Connection” section on page 7-6).
3. Add the voice connection to the line.
a. Configure voice channel parameters using the switch software commands outlined in Table 7-4.
Setting Up a Voice Connection
Before setting up a voice connection, you must configure the node, trunks, and the line to be used for
the voice connection. For information on configuring the node, see “Cisco IGX 8400 Series Nodes” For
information on configuring a trunk, see “Cisco IGX 8400 Series Trunks” For information on configuring
the line, see “Cisco IGX 8400 Series Lines”
To set up a voice connection, use the following procedure:
Step 1 Add the voice connection to the line with the switch software addcon command.
Step 2 Configure the dial-type for the channel with the switch software cnfchdl command.
Step 3 Configure the echo canceller for the channel with the switch software cnfchec command.
Step 4 Configure the amount of gain inserted in a voice channel with the switch software cnfchgn command.
Step 5 (Optional) Develop or adapt conditioning templates and voice interface types to configure signaling
types to be used by the channel with the switch software cnfcond and cnfvchtp commands.
Step 6 (Optional) Configure the receive and transmit signaling for the voice channel with the switch software
cnfrcvsig and cnfxmtsig commands.
Step 7 (Optional) Configure channel utilization with the switch software cnfchutl command.
Switch Software Commands Related to Voice Service
Full command descriptions for the switch software commands listed in Table 7-4 can be accessed at one
of the following links:
• For commands addad through cpytrkict, see Chapter 3, “Alphabetical List of Commands addad
through cpytrkict” in the Cisco WAN Switching Command Reference.
• For commands dchst through window, see Chapter 4, “Alphabetical List of Commands dchst
through window” in the Cisco WAN Switching Command Reference.
Table 7-4 Switch Software Commands Related to Voice Service
Command Description
cnflnpass (Applies to UVM using LDCELP or CACELP per G.729) Configures the
UVM for channel pass-through.
cnfchdl Configures a channel's dial type. Options are inband, pulse, and
user-configured.