Cisco 7925G Accessory Guide

Using a Bluetooth wireless headset affects battery life and reduces the talk time. In addition, how the
system administrator configures the phone also affects its battery life. For more information, see your
system administrator.
Note
AC Power Supply
The power supply with AC plug adapter enables you to quickly charge your phone battery. You can use the
phone while you are charging the battery.
The following table provides approximate battery charging times for the two battery types and power supply
configurations. You can check the battery charging state on the phone display.
Table 2: Approximate Battery Charging Times
Phone connected to computer with USB cablePower supply connected to phoneBattery type
5 hours2 hoursStandard
7 hours3 hoursExtended
Use only Cisco-specified AC power supplies for the Cisco Unified Wireless IP Phone 7925G, 7925G-EX,
and 7926G.
Caution
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Accessory Guide
2
Cisco Accessories
AC Power Supply

Cisco 7925G Specifications

General

Keypad number of keys	12
Display diagonal	2 \
Display resolution	176 x 220 pixels
Call waiting	Yes
Lines quantity	6 lines
Voice codecs	G.711a, G.722, G.729a, iLBC
Security algorithms	128-bit WEP, SSL/TLS, WPA
Supported network protocols	DHCP, TFTP, DNS, SCCP, SRST
Input voltage	100 - 240 V
Dimensions (WxDxH)	52 x 20 x 127 mm
Minimum system requirements	Cisco Unified Communications Manager 4.1, 4.2, 4.3, 5.1, 6.0, 6.1, 7.0 + Cisco Unified Communications Manager Express 4.3 +
Input frequency	50/60 Hz
Storage temperature (T-T)	-30 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Product type	IP Phone
Product color	Gray
Safety	UL 60950, CSA 22.2 No.60950, EN 60950, IEC 60950, AS/NZS 60950, IEC 60529 (IP 54)
Certification	47 CFR 15 B ICES-003 B EN 55022 B AS/NZS CISPR 22 B CISPR 22 B VCCI B EN 61000-3-2 EN 61000-3-3 KN 22 EN 55024 EN 50082-1 EN 61000-6-1 EN 300386 EN 60601-1-2 KN
Compliance industry standards	IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.1X, IEEE 802.11e

Weight and Dimensions

Weight	138 g