System Capacity
Supports a single call up to maximum of: 8B channels (512 kbps) on the BRIs (S/T)18B channels (1.152 Mbps) on the PRI (E1/T1)
Endpoints Supported
LifeSize Room and LifeSize Team to any:
ISDN (H.320) video and audio end points via ISDN to IP (H.323) video and audio end points
Gateway Features
H.323 Call Routing to ISDNH.320 Call Routing to IPH.323 Call Routing to IP via ISDN
Automatic ISDN downspeeding to available IP or ISDN rates at call setup
ISDN Call Features
Supports ETSI/NAT variants (AT&T 4ess, AT&T 5ess, Nortel DMS 100, ETSI, NI, NTT )Auto SPID detection (Only on National ISDN)Supports Hong Kong PRI

Dual Video Support
Standards-based H.239 support for dual streaming support for presentations and collaboration for H.320 and H.323
Video Standards
H.263, H.264
Audio Standards
G.711 (A-Law/U-Law), G.722, G.722.1 (24kbps/32 kbps)
Additional Supported Standards
H.221, H.230, H.239, H.242, H.320, H.323, Bonding (ISO 13871)
Video Resolutions
Supports all H.320 video resolutions including CIF, 4CIF, SIF, 2SIF, 4SIF, HDNetwork
Network Interfaces
4 x BRI (RJ-45) S/T1 x PRI T1/E1 (RJ-45)1 x 10/100 Mbps auto sensing

Download a PDF of these specs.
System Management
Management via embedded Web server using HTTPS
Security
Flash-based Web management tool, Admin password, SNMP security alerts
Ability to disable IP services and Telnet
System Design
Physical Dimensions
Height: 42 mm / 1.65 in
Width: 215 mm / 8.46 in
Depth: 190 mm / 7.48 in
Weight: 1.043 Kg / 2.2 lbs
Power POE 48VDC power
Environmental Data
Operating temperature: 0°C (32°F) to 40°C (104°F)
Operating humidity: 15% to 85%, non-condensing
Storage temperature: -40°C (-40°F) to 70°C (158°F)
Storage humidity: 10% to 90%