Cisco 7925G - Unified Wireless IP Phone VoIP Bedienungsanleitung

Cisco Unified Wireless IP Phone

•Phone Overview, page 1

•Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G, page 1

•Bluetooth Technology, page 10

•Feature Support, page 12

•Security Features, page 14

•Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment, page 19

Phone Overview

The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G provides wireless voice communication

over an IP network. As with traditional analog telephones, you can place and receive phone calls and access

features such as hold, transfer, and speed dial. In addition, because the phone connects to your wireless local

area network (WLAN), you can place and receive phone calls from anywhere in your wireless environment.

For information about the phones and accessories, see the following documents:

•Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G User Guide

•Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Accessory Guide

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G

This section describes the phone components.

Cisco Unified Wireless IP Phone 7925G and 7926G

The Cisco Unified Wireless IP Phone 7925G and 7926G are 802.11 dual-band wireless devices that provide

comprehensive voice communications in conjunction with Cisco Unified Communications Manager and with

Cisco Aironet 802.11b/g and Cisco Aironet 802.11a access points (APs) in a private business communications

network.

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

The phone is a qualified Bluetooth wireless device (Qualified Device ID [QDID] B014396). The phone

provides voice communication over the same wireless LAN that your computer uses, allowing you to place

and receive phone calls, put calls on hold, transfer calls, make conference calls, and so on.

The following figure shows the Cisco Unified Wireless IP Phone 7925G. The Cisco Unified Wireless IP

Phone 7926G looks similar.

This phone model, like other network devices, must be configured and managed. This phone encodes G.711a,

G.711u, G.729a, G.729ab, and G.722/iLBC codecs, and decodes G.711a, G711b, G.711u, G.729, G729a,

G729b, and G729ab codecs. The phone also supports uncompressed wideband (16 bits, 16 kHz) audio.

The Cisco Unified Wireless IP Phone 7925G and 7926G is hearing aid compatible (HAC) but do not have

any TTY features. They have a centered “dot”or “nib”on the 5 key that is a tactile identifier.

The physical characteristics include:

•Resistance to damage from dropping the phone

•Tolerance of antibacterial and alcohol-based wipes

•Latex- and lead-free

•Resistance against liquid splashes

•Dust resistance

•Shockproof and vibration-proof

•USB 1.1 interface

In addition to basic call-handling features, your phone can provide enhanced productivity features that extend

your call-handling capabilities.

Depending on the configuration, your phone supports:

•Use of Bluetooth wireless headsets, including certain hands-free call features

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Cisco Unified Wireless IP Phone 7925G and 7926G

•Wireless access to your phone number and the corporate directory

•A local phone book that can store up to 200 contacts and speed-dial hot keys that can be assigned to

phone book contacts

•Access to network data, XML applications, and web-based services

•Online customizing of phone features and services from your User Options web pages

•An online help system that displays information on the phone screen

The Cisco Unified Wireless IP Phone 7926G contains a bar code scanner.

Cisco Unified Wireless IP Phone 7925G-EX

Your Cisco Unified Wireless IP Phone 7925G-EX is an Atmospheres Explosibles (ATEX) Zone 2/Class 22

and Canadian Standards Association (CSA) Division 2/Class 1 certified full-feature telephone. The phone is

certified for use in potentially explosive environments in the gas, oil, and chemical production fields as well

as dust-filled environments. The phone has Ingress Protection 64 (IP 64) level protection, indicating dust-tight

equipment that is protected against splashing water. The phone has an industry-standard yellow styling that

offers fast recognition in emergency situations.

The phone is a qualified Bluetooth wireless device (Qualified Device ID [QDID] B014396). The phone

provides voice communication over the same wireless LAN that your computer uses, allowing you to place

and receive phone calls, put calls on hold, transfer calls, make conference calls, and so on.

The following figure shows the Cisco Unified Wireless IP Phone 7925G-EX.

This phone model, like other network devices, must be configured and managed. This phone encodes G.711a,

G.711u, G.729a, G.729ab, and G.722/iLBC codecs, and decodes G.711a, G711b, G.711u, G.729, G729a,

G729b, and G729ab codecs. The phone also supports uncompressed wideband (16 bits, 16 kHz) audio.

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Cisco Unified Wireless IP Phone 7925G-EX

The Cisco Unified Wireless IP Phone 7925G-EX is hearing aid compatible (HAC) but does not have any TTY

features. It also has a centered “dot”or “nib”on the 5 key that is a tactile identifier.

The physical characteristics include:

•Atmospheres Explosibles (ATEX) Zone 2/Class 22 certification prevents ignition of surrounding gas

vapors by the phone.

•Canadian Standards Association (CSA) Division 2/Class 1 certification provides access to mobile

collaborative communications.

•Industry-standard yellow styling offers fast recognition in emergency situations.

•Ingress Protection 64 (IP 64) level protection, indicating dust-tight equipment which is protected against

splashing water.

•The large 2-inch color (176 x 220 pixels) display makes viewing easy.

•Resistance to damage from dropping the phone.

•Tolerance of antibacterial and alcohol-based wipes.

•Latex- and lead-free.

•Shockproof and vibration-proof.

•USB 1.1 interface.

ATEX Zone 2 certification: Zone 2 is defined as an area in which an explosive gas atmosphere is not

likely to occur in normal operation and if it does occur, is likely to do so only infrequently and will exist

for a short period only (for example, less than 10 hours per year).

Note

CSA Class 1 Division II certification: Class 1 is a location where a quantity of flammable gas or vapor

sufficient to produce an explosive or ignitable mixture may be present in the air. Division II is a location

where a classified hazard does not normally exist but is possible under abnormal conditions.

Note

In addition to basic call-handling features, your phone can provide enhanced productivity features that extend

your call-handling capabilities.

Depending on the configuration, your phone supports:

•Use of Bluetooth wireless headsets, including certain hands-free call features

•Wireless access to your phone number and the corporate directory

•A local phone book that can store up to 200 contacts and speed-dial hot keys that can be assigned to

phone book contacts

•Access to network data, XML applications, and web-based services

•Online customizing of phone features and services from your User Options web pages

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Cisco Unified Wireless IP Phone 7925G-EX

Buttons and Hardware

The following figure shows the Cisco Unified Wireless IP Phone 7926G. The Cisco Unified Wireless IP

Phone 7925G and 7925G-EX are similar in appearance to the Cisco Unified Wireless IP Phone 7926G. The

following table describes the functions of the keys on the phones.

Provides these indications:Indicator light (LED)1

•Solid red: Phone is connected to AC power source and battery is

charging.

•Solid green: Phone is connected to AC power source and battery

is fully charged.

•Fast blinking red: There is an incoming call. Phone can be charging

or fully charged.

•Slow blinking red: There is a voice message. When phone is

connected to AC power source, the red light displays longer than

when using only the battery.

•Slow blinking green (every 2 seconds): Phone is using only battery

power. Phone is registered with the wireless network and is within

service coverage area.

Port for plugging in a headset or ear bud has a protective cover.Headset port with cover2

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Buttons and Hardware

Toggles the speaker mode on or off for the phone.Speaker button3

Activates the Options menu for access to the list of softkeys. Sometimes

displays a softkey label.

Right softkey button4

Accesses these menus and lists from the main screen:Navigation button5

Directory

Line View

Settings

Services

Allows you to scroll up and down menus to highlight options and to move

left and right through phone numbers and text entries.

Activates the Help menu from the main screen.Select button6

Allows you to select a menu item, a softkey, a call, or an action.

Turns the phone on or off, ends a connected call, or silences the ring

during an incoming call.

Power/End button (red)7

When you use menus, acts as a shortcut to return to the main screen.

Allows you to lock the keypad.Pound (#) key8

Allows you to enter these special characters when you are entering text:

# ? ( ) [ ] { }

Enters “0”when you dial a number. Allows you to enter a space or these

special characters when you are entering text: ,.‘ “ | _ ~ ’

Zero (0) key9

Toggles between ring and vibrate mode.Asterisk (*) key10

Allows you to enter these special characters when you are entering text:

* + - / = \ : ;

Allows you to dial numbers, enter letters, and choose menu items by

number.

Keypad11

Enters “1”when you dial a number. Allows you to access voice mail.

One (1) key12

Allows you to enter these special characters when you are entering text:

! @ < > $ % ^ &

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Buttons and Hardware

Allows you to answer a ringing call or, after dialing a number, to place

the call.

Answer/Send button

(green)

Activates the softkey option displayed on the screen.Left softkey button14

When you set it up, allows you to directly access your messages or open

the Phone Book when the phone is idle.

Toggles the mute feature on or off.Mute button15

When the phone is idle, allows you to control the ring volume, turn on

the vibrate option, or turn off the ring.

Volume button16

When an incoming call is ringing, allows you to press this button once

to silence the ring for the call.

During a call, allows you to control the speaker volume for the handset,

headset, and speaker mode.

When the phone is docked in the desktop charger, the volume button on

the phone controls the volume of the charger speaker.

Use with XML applications, such as Push to Talk or other services.Application button17

Use with Java MIDlet applications to allow you to scan bar codes.Bar code scanner18

Available only on the Cisco Unified Wireless IP Phone

7926G.

Note

Cisco Unified Wireless IP Phone 7925G Desktop Charger Overview

The Cisco Unified Wireless IP Phone 7925G Desktop Charger provides the following features:

•Charges the docked phone battery from line power

•Contains a speakerphone, with the volume controlled by the phone volume buttons

•Supports Bluetooth through the speakerphone

•Displays status information using the Power/Bluetooth Status LED and Battery LED

•Contains an additional port at the back of the station for charging a spare battery

•Works on line power or from the spare battery for the phone

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Cisco Unified Wireless IP Phone 7925G Desktop Charger Overview

The following figure shows the Cisco Unified Wireless IP Phone 7925G docked in the Cisco Unified Wireless

IP Phone 7925G Desktop Charger.

Figure 1: Cisco Unified Wireless IP Phone 7925G docked in the charger

The Cisco Unified Wireless IP Phone 7925G Desktop Charger supports the following phones:

•Cisco Unified Wireless IP Phone 7925G

•Cisco Unified Wireless IP Phone 7925G-EX

•Cisco Unified Wireless IP Phone 7926G

The two LEDs on the Cisco Unified Wireless IP Phone 7925G Desktop Charger change color, as described

in the following table.

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Cisco Unified Wireless IP Phone 7925G Desktop Charger Overview

MeaningFlash rateColorLED

The charger is not plugged into line power.SolidUnlitPower/Bluetooth

Status

The charger is plugged into line power.SolidGreen

Bluetooth is connecting or disconnecting from the

charger.

Flashing slowlyBlue

The charger is connected to the phone using

Bluetooth.

Solid

No spare battery is installed.SolidUnlitBattery

The spare battery is charging.SolidRed

The spare battery is fully charged.SolidGreen

The station is powered by the spare battery with

adequate charge.

SolidAmber-yellow

The station is powered by the spare battery, but the

battery is low.

Flashing

The station is powered by the spare battery, but the

battery is rapidly depleting.

Flashing and

dimming slowly

The spare battery charges only when the Cisco Unified Wireless IP Phone 7925G Desktop Charger is plugged

into line power.

The Cisco Unified Wireless IP Phone 7925G Desktop Charger supports Bluetooth Version 2.1 + Extended

Data Rate (EDR) using Hands-free Version 1.5.

The following figure shows the location of the Control button. The Control button is used when pairing the

charger with the phone.

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Cisco Unified Wireless IP Phone 7925G Desktop Charger Overview

Bluetooth Technology

The Cisco Unified Wireless IP Phones are full-feature telephones and a qualified Bluetooth wireless devices

(Qualified Device ID [QDID] B014396) and provide voice communication over the same wireless LAN that

your computer uses. In addition to basic call-handling features, your phone operates with Bluetooth wireless

headsets, including certain hands-free call features.

Bluetooth devices operate in the unlicensed Industrial Scientific Medicine (ISM) band of 2.4 GHz, which is

the same as the 802.11b/g band. This unlicensed band in most countries includes the frequency range from

2400 to 2483.5 MHz. Bluetooth enables low bandwidth wireless connections within a range of 10 meters.

The best performance is in the 1 to 2 meter range. Synchronous voice channels are provided by using circuit

switching and asynchronous data channels are provided by using packet switching.

Bluetooth uses integrated Adaptive Frequency Hopping (AFH) to avoid interference. Every 625 microseconds

(1/1,000,000 of a second) the channel changes or hops to another frequency within the 2402 to 2480 MHz

range. This equals 1600 hops every second.

The Cisco Unified Wireless IP Phones contain a Bluetooth module and 802.11 WLAN module. This coexistence

greatly reduces and avoids radio interference between the Bluetooth and 802.11b/g radio.

Bluetooth devices fit into to three different power classes, as shown in the following table.

Table 1: Bluetooth Maximum Permitted Transmit Power and Range by Class

RangeMaximum permitted transmit power (mW, dBm)Class

Up to 100 meters100 mW, 20 dBmClass 1

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide

Cisco Unified Wireless IP Phone

Bluetooth Technology

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