
Intercom & Telephone > Telephone
Product Overview
The Cisco Unified IP Phone 9951 is an advanced collaborative media endpoint that provides voice, video, applications, and accessories. Highlights include interactive video with support from the Cisco Unified Video Camera, High-definition (HD) voice, a high-resolution color display, Gigabit Ethernet and a new ergonomic design and user interface designed for simplicity and high usability. Accessories, sold separately, include a color Cisco Unified IP Color Key Expansion Module and the Cisco Unified Video Camera.
Features
Handset type: Wired handset
Keypad number of keys: 12
Expansion module support: Yes
Product colour: Charcoal
Technical details
Handset type: Wired handset
Built-in camera: No
Speakerphone: Yes
Keypad number of keys: 12
Expansion module support: Yes
Display
Touchscreen: No
Display resolution: 640 x 480 pixels
Display diagonal: 12.7 cm (5")
Display: TFT
Phone features
Lines quantity: 5 lines
Speed dialing: Yes
Redialing: Yes
Phonebook capacity: 200 entries
On-hook dialing: No
Intercom: Yes
Do not disturb function: No
Distinctive ring: Yes
Conference call: Yes
Caller ID: Yes
Call waiting: Yes
Call hold: Yes
Call forwarding: Yes
Audio
Voice codecs: G.711a,G.722,G.729A
Speakerphone: Yes
Microphone mute: Yes
Video
Video codecs: H.264/AVC
Video capturing speed: 30 fps
Video capture resolution (max): 640 x 480 pixels
Networking
Networking standards: IEEE 802.1Q,IEEE 802.3af,IEEE 802.3at
Wi-Fi: No
Supported network protocols: DHCP, TFTP, DNS, SRTP, TLS, CAPF
Quality of Service (QoS) support: Yes
Ethernet LAN: Yes
DHCP client: Yes
Bluetooth: Yes
Ports & interfaces
USB 2.0 ports quantity: 2
RJ-9 ports quantity : 1
Ethernet LAN (RJ-45) ports: 2
Camera
Built-in camera: No
Power
Power over Ethernet (PoE): Yes
Weight & dimensions
Width: 262.5 mm
Depth: 39.7 mm
Height: 234 mm
Weight: 1.56 kg
Package weight: 1.97 kg
Handset weight: 170 g
Operational conditions
Storage temperature (T-T): -25 - 70 °C
Storage relative humidity (H-H): 5 - 90%
Operating temperature (T-T): -5 - 55 °C
Operating relative humidity (H-H): 5 - 90%
Colour
Product colour: Charcoal
Microphone
Microphone mute: Yes
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Intercom & Telephone
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Intercom & Telephone
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Yasmeen 08 Feb 2022 02:02 pm