Cisco IP Unified Communications Voice/Fax Network Module VIC2-4FXO

Description

Cisco IP Unified Communications Voice/Fax Network Module VIC2-4FXO

• Integrates all Cisco IP Communications solutions by providing flexible and reliable connectivity to public or private switched telephone networks around the world.
• Reduce or eliminate toll charges assessed by long distance and local carriers by transporting voice and fax traffic across the enterprise intranet, LAN, metropolitan-area network (MAN), or WAN.
• Voice/Fax over IP-VoIP traffic at Layer 3 can travel over any Layer 1 or Layer 2 media, including ISDN, leased lines, serial connections, and Ethernet.
• Supports H.323 V1/V2/V3/V4, MGCP 0.1/1.0, and SIP call control protocols. Also supports Cisco UCM using MGCP, H.323, or SIP.
• G.711, G.729, G.729a/b, G.723.1, G.726, G.728, iLBC, G.722-These are standards-based compression technologies allowing transmission of voice across IP.
• Echo Cancellation-Cancels echo on tail circuits up to 32 msec (configurable tail length)
• Support FXS, FXO (includes CAMA), DID, E/M, BRI (S/T, NT/T), T1, and E1. (T1 and E1 only supported on NM-HD-2VE)
• Fax and Modem Pass-Through-Allows fax and modem traffic to pass through a voice port.
• Support serial data WAN access using T1/E1 or fractional T1/E1 network interface