Cisco 9951 User Manual

CLODU VOICE S Service Remote Extension S (Video) – Cisco 9951 IP Phone
Version 5.0
3
The Remote Extension service enabled by Cisco Unified IP Phone 9951 includes a
higher-resolution, fully backlit (VGA) color display, a USB port for peripherals, Gigabit
Ethernet network and pc switch ports, and High-definition (HD) voice support, creating a
more productive user experience for multimedia application engagement.
1 Phone Set Features and Functions
1.1 Operation for IP Phone 9951
Item
Description
1
DC adaptor port (DC48V).
2
AC-to-DC power supply.
3
AC power wall plug.
4
Network port (10/100/1000 SW) with
IEEE 802.3af and 802.3at power
enabled.
5
Computer port (10/100/1000 PC)
connection
6
Headset connection (optional).
7
Analog headset connection
8
Anti-theft security lock connector
Notes: IP Phone 9951 cannot function properly when there is a failure in power supply.

Cisco 9951 Specifications

General

Protocols	SIP, SCCP
Resolution	640 x 480 pixels
Audio	Wideband audio
Ethernet	10/100/1000
USB	Yes
Power	PoE 802.3af
Speakerphone	Full-duplex
Headset Jack	Yes
Codec Support	G.711a, G.711µ, G.722, G.729a, G.729ab, iLBC
Expansion Module Support	Yes, up to 3 Cisco Unified IP Phone Expansion Module