Cisco Systems AS5400XM, AS5350XM manual Codec Type Per AS5X-PVDM2-64 Per Voice Feature Card

C H A P T E R 6

Voice Feature Card

This chapter describes the voice feature card and includes the following sections:

•Overview, page 6-1

•Online Insertion and Removal of the Voice Feature Card, page 6-3

•Replacing PVDM2 Modules in the Voice Feature Card, page 6-8

•Getting Help, page 6-11

•Where to Go Next, page 6-11

Overview

High-density packet voice digital signal processor (DSP) modules (PVDM2) installed on the voice feature card convert voice and fax calls into IP packets or frames that can be transmitted as voice over IP (VoIP) over a variety of transport technologies on Cisco AS5350XM and Cisco AS5400XM universal gateways. The number of calls supported depends on the number of PVDM2 modules installed on the voice feature card, and the number of voice feature cards installed in the chassis.

The voice feature card supports a 64-channel PVDM2 (AS5X-PVDM2-64) module. You can install up to six AS5X-PVDM2-64 modules on each voice feature card. Table 6-1describes the maximum number of channels supported by each AS5X-PVDM2-64 module and the maximum number of channels supported by a voice feature card with six AS5X-PVDM2-64 modules installed.

Table 6-1	Maximum Number of Channels Available on a Voice Feature Card with
	AS5X-PVDM2-64 Modules
		Maximum Number of Channels	Maximum Number of Channels
Codec Type		per AS5X-PVDM2-64	per Voice Feature Card
Low complexity (G.711)		64	384
Medium complexity (G.726, G.729a,		32	192
G.729ab, T.38 fax relay)
High complexity (G.729, G.729b,		24	144
G.723.1, GSM-AMR, modem relay)

Note A Cisco AS5350XM or Cisco AS5400XM universal gateway with the maximum number of PVDM2 modules installed can take up to 6 minutes to boot from power-on to system ready.

Cisco AS5350XM and Cisco AS5400XM Universal Gateways Card Installation Guide

78-17406-01 6-1