Dimensions (H x W x D)

8.2 x 10.5 x 6 in. (20.32 x 26.67 x 15.24 cm)

Weight

3.5 lb (1.6 kg)

Phone-Casing Composition

Acrylonitrile butadiene styrene (ABS) plastic in textured dark gray color with silver bezel

Power

Supports IEEE 802.3af PoE (Class 2). Also supports Cisco Prestandard Power over Ethernet (PoE), allowing powering from any of the Cisco Inline Power-capable blades and boxes, plus Cisco midspan. 48VDC is required; it can be supplied locally at the desktop using an optional AC-to-DC power supply (part number CP-PWR-CUBE-3=) or power injector (CP-PWR-INJ=). Local power options require a corresponding AC country cord (see Table 6).

Phone Software Requirements

Supported in 8.3(2) and greater

Call Control compatibility

Supported in Cisco Unified Communications Manager Versions 4.1(3)sr5b, 4.2(3)sr2b, 4.3(1), 5.1.1(b), 5.1(2), 6.0(1) and greater

Supported in Cisco Unified Communications Express and SRST Version 4.1

Signaling Protocols

Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control