Specifications

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Catalyst 4224 Access Gateway Switch Software Configuration Guide
OL-2031-02
Chapter 1 Product Overview
IP Routing and WAN Features
Table 1-1 describes the voice interface cards supported by the Catalyst 4224.
Additional VoIP gateway benefits include:
• Private branch exchange (PBX) and PSTN connectivity
• H.323v2 VoIP gateway functions
• Onboard DSPs allocated to voice interfaces
• Fax pass-through and Fax relay
• Modem pass-through
IP Routing and WAN Features
The Catalyst 4224 supports the following WAN features:
• Multilink Point-to-Point Protocol (MLPPP)
• Frame relay
Table 1-1 Voice Interface Cards
Module Description
VIC-2FXS Two-port FXS voice/fax interface card
VIC-2FXO Two-port FXO voice/fax interface card (North
American version)
VIC-2FXO-EU Two-port FXO voice/fax interface card (European
version)
VIC-2BRI-S/T-TE Two-port BRI S/T terminal equipment voice/fax
interface card (also supports data)
VWIC-1MFT-T1 One-port T1/Fractional T1 Multiflex Trunk with
CSU/DSU
VWIC-2MFT-T1 Dual-port T1/Fractional T1 Multiflex Trunk with
CSU/DSU
VWIC-1MFT-E1 One-port E1/Fractional E1 Multiflex Trunk with DSU
VWIC-2MFT-E1 Dual-port E1/Fractional E1 Multiflex Trunk with DSU