Cisco 8961 Administration Guide

APPENDIX C
Technical Specifications
The following sections describe the technical specifications for the Cisco Unified IP Phone 8961, 9951, and
9971.
•
Physical and Operating Environment Specifications, page 303
•
Cable Specifications, page 304
•
Network and Computer Port Pinouts, page 304
Physical and Operating Environment Specifications
The following table shows the physical and operating environment specifications for the Cisco Unified IP
Phone 8961, 9951, and 9971.
Table 59: Physical and Operating Specifications
Value or rangeSpecification
32° to 104°F (0° to 40°C)Operating temperature
10% to 95% (noncondensing)Operating relative humidity
14° to 140°F (–10° to 60°C)
Storage temperature
8 in. (20.32 cm)Height
10.5 in. (26.67 cm)Width
6 in. (15.24 cm)Depth
3.5 lb. (1.6 kg)Weight
100-240 VAC, 50-60 Hz, 0.5 A when using the AC adapter
48 VDC, 0.2 A when using the in-line power over the network cable
Power
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
303

Cisco 8961 Specifications

General

Resolution	640 x 480 pixels
Display	5-inch TFT color display
Ethernet	10/100/1000 Mbps
Power	IEEE 802.3af Power over Ethernet (PoE) Class 3
Connectivity	Two-port Gigabit Ethernet switch
Buttons	4 softkeys
USB Port	Yes, supports USB 2.0
Headset Jack	Yes, dedicated headset port
Speakerphone	Full-duplex speakerphone
Codec Support	G.711, G.722, G.729, iLBC
Security	802.1X authentication, TLS, SRTP, HTTPS