Cisco 7925G Administration Guide

ConditionMetric change
•
Noise or distortion in the audio channel such as echo or audio
levels.
•
Tandem calls that undergo multiple encode/decode such as calls
to a cellular network or calling card network.
•
Acoustic problems coming from a speakerphone, hands-free
cellular phone or wireless headset.
Check packet transmit (TxCnt) and packet receive (RxCnt) counters to
verify that voice packets are flowing.
Conceal Ratio is near or at zero,
but the voice quality is poor
Voice quality metrics do not account for noise or distortion, only frame loss.Note
Common Phone Status Messages
The following sections describe the common status messages that display on the phone screen.
Network Busy Message
Problem
The phone is unable to complete a call. The phone displays the Network Busy message.
Cause
The WLAN is not able to allocate bandwidth for the phone to complete the call.
Solution
Wait a few minutes and try the call again. If the problem persists, the WLAN might be congested. Consider
increasing the WLAN bandwidth.
Leaving Service Area Message
Problem
The phone is unable to place or receive calls. The no signal icon displays on the phone screen. The phone
displays the Leaving Service Area message.
Cause
The phone cannot detect any access point (AP) beacons
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide
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Troubleshooting
Common Phone Status Messages

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