Cisco Systems 4-Port FXO (Universal) Voice Interface Card, Version 2

2-Port ISDN BRI S/T (NT and TE) Voice Interface Card, Version 2

Cisco Systems Part# VIC2-2BRI-NT/TE=

Modules – Voice Interface Card (VIC) - 64 kbit/s Maximum Data Transfer Rate - 2 Total Number of Ports - RJ-45 - Cisco 3620 series routers do not support the VIC2-2BRI-NT-TE cards - Supported in NM-HD-1V, ...

CISCO 2800 IP Voice Feature Pack

Cisco Systems Part# CD28N-IPV=

Routers and Gateways – Firmware - Firmware - CD-ROM - Complete Product - IOS - IP Voice Feature Pack - 2800 Series Integrated Services Routers Software Product Supported - IP Voice for 2800 Series Integrated Services Routers