Cisco 7925G Installing Guide

Active and Standby Phone Modes
The following sections describe the available modes when the Cisco Unified Wireless IP Phone is powered
on.
Active Mode
The phone is in active mode when there is an active RTP stream. When the phone is performing one of these
actions, it is consuming power:
•
Connected to an active call
•
Scanning for channels
•
Sending CDP packets
•
Sending keepalive messages
•
Reregistering with Cisco Unified Communications Manager
Related Topics
Phone Power, on page 8
Standby Mode
The phone can enter standby mode if none of the events from the Active Mode list are currently active. The
phone awakes from standby mode in response to these events:
•
Pressing keys on the keypad
•
Roaming between APs
•
Power cycling the phone
•
Losing network connectivity
•
Losing RF connectivity
•
Transmitting scheduled CDP or keepalive packets
Related Topics
Phone Startup Process, on page 18
Startup and Connectivity Problems
Phone Startup Process
When connecting to the wireless VoIP network, the Cisco Unified Wireless IP Phone goes through a standard
startup process, as described in the following list. Depending on your specific network configuration, not all
of these steps may occur on your wireless IP phone.
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide
18
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Setup
Active and Standby Phone Modes

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