AASTRA DT292 User Manual

DT292
BusinessPhone Communication Platform
User Guide
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Place the graphic directly on the page, do not care about putting it in the text flow. Select Graphics > Properties and make the following settings:
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User Guide
Welcome
EN/LZTBS 170 357 R2A © Aastra Telecom Sweden AB 2008. All rights reserved.
BusinessPhone – Cordless phone DT2922

Table of Contents

Welcome ..........................................................4
Important .........................................................6
Description ..................................................... 14
Switching On/Off ............................................20
Incoming Calls ...............................................21
Outgoing Calls ...............................................24
During Calls ....................................................30
Call Forwarding ..............................................35
Information .....................................................42
Mailbox System ..............................................46
Abbreviated Numbers .................................... 55
Group Facilities .............................................. 59
Other Useful Facilities .....................................63
Security ..........................................................71
Least Cost Routing ........................................ 73
Integrated Phonebook ....................................74
System Phonebook ........................................ 80
Write text ....................................................... 82
Alternative programming for Automatic Callback,
Camp-on, Intrusion ........................................84
Alternative programming for Automatic Callback,
Camp-on, Intrusion ........................................85
Adjustments ...................................................86
Audible Signals ..............................................94
Useful Hints ....................................................95
Installation ......................................................96
Reference .................................................... 105
Troubleshooting ............................................111
Glossary .......................................................113
Index ............................................................ 114
Table o f Con tents
page
3BusinessPhone – Cordless phone DT292

Welcome

Welcome
Welcome to the User Guide for the Cordless phone DT292 in the BusinessPhone Communication Platform from Aastra. The BusinessPhone Communication Platform consists of BusinessPhone Compact, BusinessPhone 50, BusinessPhone 128i and BusinessPhone 250.
The features described in this User Guide are related to version 7.0 or higher of the BusinessPhone Communication Platform. Some might not work in earlier versions of the system and/or might be protected by a license package that has to be bought separately.
The User Guide describes the facilities of the BusinessPhone Communication Platform and the Cordless phone DT292 with a default programming. There may be some differences in the way your phone is programmed. Please consult your system administrator if you need further information.
The latest version of this User Guide can also be downloaded from:
http://www.aastra.com
BusinessPhone – Cordless phone DT2924
Welcome

Copyright

All rights reserved. No parts of this publication may be reproduced, stored in retrieval systems, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior written permission of the publisher except in accordance with the following terms.
If this publication is made available on Aastra media, Aastra gives its consent to downloading and printing copies of the content provided in this file only for private use and not for redistribution. No parts of this publication may be subject to alteration, modification or commercial use. Aastrs will not be liable for any damages arising from use of an illegal modified or altered publication.
Aastra is a registered trademark of Aastra Technologies Limited. All other trademarks mentioned herein are the property of their respective owners.

Warranty

AASTRA MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Aastra shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing, performance or use of this material.

Declaration of Conformity

Hereby, Aastra Telecom Sweden AB, SE-126 37 Hägersten, declares that this telephone is in conformity with the essential requirements and other relevant provisions of the R&TTE directive 1999/5/EC.
Details to be found at: http://www.aastra.com/sdoc
5BusinessPhone – Cordless phone DT292

Important

Important
This section describes the information that is important to know before you use the DT292 phone, battery, charger and the functions described.
Note: This User guide describes the supported BusinessPhone Communication Platform functions together with the most commonly used phone specific functions. All phone specific functions are listed in the menu structure., see section Menu
structure” on page 19.
Before using the DT292 the first time you have to charge and connect the battery, see section “Installation” on page 96.

Guidelines, warnings and precautions for safe and efficient use

Recommendations

Always keep and handle your products with care and keep them in a clean and dust-free place. Proper use and care will prolong the products life. Use a soft absorbent tissue or cloth to remove dust, dirt or moisture.
Always ensure that the phone, battery and charger are used and operated in the intended environment for which they are designed.
Operate the phone in temperatures between 0°C to +40°C (32°F to 104°F).
Do not expose your products to liquid, moisture, humidity, solvents, strong sunlight, harsh environments or extreme temperatures, never above +60°C (+140°F).
BusinessPhone – Cordless phone DT2926
Important
Exposure to heat may cause batteries to leak, overheat or explode, resulting in fire, burns or other injuries.
Do not put the product in the microwave oven: This may cause damage to either the oven or the product.
Do not attempt to disassemble or alter any part of the phone, the charger(s) or the battery-pack. Disassembly or alteration may result in electrical shock or irreversible damage to the equipment. Only a qualified service personnel or an authorized Aastra partner should conduct internal inspections, alterations and repairs.
Do not expose your product to open flames or lit tobacco products.
Do not drop, throw or bend your products. This may cause malfunction or electric shock.
Do not paint your product.
Do not use your product in an area where a potentially explosive atmosphere exists.
To avoid hearing impairment, accept the call before holding your product (or portable handsfree device) to your ear.
The DT292 phone is not specified as intrinsically safe, so do not use it in areas with a danger of explosion.

Disposing of the product

Your product should not be placed in municipal waste. Please check local regulations for disposal of electronic products.

Power supply

Connect the AC power adapter of the charging unit only to the designated power sources as marked on the charger.
Make sure the cord is positioned so that it will not be subjected to damage or stress.
To reduce risk of electrical shock, unplug the chargers from any power source before attempting to clean or move it.
The AC power adapters must not be used outdoors or in damp areas.
Never alter the cord or plug. If the plug will not fit into the outlet, have a proper outlet installed by a qualified electrician.
Limit the distance between the mains socket and the cordless phone when charging for easy accessibility.
7BusinessPhone – Cordless phone DT292
Important
As an energy saving measure, disconnect the charger from the main socket after charging.
When unplugging the mains adapter from the power outlet, make sure that your hands are dry and ensure that you hold the solid portion of the mains adapter.
Do not pull on cables.

Charging and batteries

Please read carefully the following important precautions before the first time use of the batteries. Make sure to understand and observe all cautionary instructions stated, so as to avoid any possible safety hazards that are caused by any misuse, misapplication or damage to batteries.
Only use batteries, mains adapters or desk and rack chargers designed for use with your product.
Use of power sources not explicitly recommended may lead to overheating, reduced battery performance, distortion of the equipment and fire or other damages.
Cordless phones are equipped with Nickel Metal Hydride (NiMH) batteries or Lithium Ion Lion batteries. In a complex infrastructure, the talk- and standby time may differ, due to the consequence of the increase in signaling.
The battery must always be completely charged (minimal 4 hours) before first time use.
The battery in your product is designed to withstand many charge cycles.
Use only the recommended charging equipment.
Improper charging can cause heat damage or even high pressure rupture.
Observe proper charging polarity.
Do not solder lead wires directly onto the battery.
Do not apply water to the battery.
The initial charging of a NiMH battery will cause the battery to become warm. This is a normal effect of charging NiMH batteries.
The batteries are replaceable, however it is not the intention to do this frequently.
Only charge the batteries when placed in the phone.
Use only the specified battery-packs for your product.
BusinessPhone – Cordless phone DT2928
Important
Never heat or dispose of the battery into a fire, which, or else, may cause leakage, burst or fire.
Remove the carrying case from the product while in charger.
Do not cover the product while being charged. Do not charge the phone in a closed cabinet or drawer. The charging of the battery is a chemical process and causes the battery to become warm during charging. Make sure the environment in which the phone is charged, is well vented.
The cordless phone can be charged either when switched on or off.
Do not connect the battery's positive and negative leads altogether in any case.
Do not strike or drop the battery. It may cause damage to the battery.
Do not charge the battery under the temperature of +5°C (+41°F). Be sure to charge the battery between the temperatures of +5°C and +45°C (+41°F and 113°F). Charging beyond these conditions may impair the battery performance and shorten the life cycle.
Do not use battery packs from different types, brands or of different capacities.
The battery is to be stored in a dry cool place, with the ambient temperature around of +25°C (+77°F) for best performance.
The battery continues to discharge a minimal portion of its power, even if the product is switched off or the battery is removed.
Dispose the battery in accordance with all local regulations, applicable in your country.

Warnings

Smoke or fumes Stop operating the products and turn off immediately in case of smoke or fumes. Unplug the mains adapter and remove the batteries from the phone immediately. Continued operation may result in fire or electrical shock.
•LCD If the liquid crystal display breaks, avoid injury by not letting the liquid crystal touch the skin, getting it into the eye or into the mouth or getting cut by the broken glass.
9BusinessPhone – Cordless phone DT292
Important

Preventing malfunction

Never place the equipment in close proximity of electric motors, welding equipment or other devices generating strong (electro) magnetic fields. Exposure to strong (electro) magnetic fields may cause malfunction and corrupt the communication.
Moving the equipment rapidly between warm and cold temperatures may cause condensation (water droplets) to form on its internal and external surfaces. Water droplets may cause malfunction of the equipment and corrupt or end communication or damage the equipment. When condensation is noticed, stop using the equipment. Switch off the phone, remove the battery and unplug the mains adapter from the power outlet. Wait until the moisture evaporates from the equipment before putting it in operation again.
Avoid accidental drop of the phone. Use the clip, security clip or carrying case specified for carrying purposes of the phone.
Avoid the phone being squeezed between furniture and your body when carrying the phone in your pocket or attached to clothing.

Coverage area

Your organisations premises is covered by a number of cells which forms the coverage area. You can make and answer calls anywhere within this area, outside the area you will lose contact with the system.
Company coverage:
BusinessPhone – Cordless phone DT29210
Important

PIN code

Your phone is initially provided with a pre-set PIN code (Personal Identification Number). You should change this PIN code to a personal PIN code to prevent misuse.

To change the PIN code

Route: Settings » PhoneLock » ChangePIN
ChangePIN
Select
Press
EnterOldPIN
: is displayed.
z  Enter the current PIN code (default 0000) and press
Either
EnterNewPIN:
case, you have entered a number that does not match the current PIN code.
or
Wrong PIN
is displayed. In the latter
z  Enter the four digits of the new PIN code and press
RepeatNewPIN
is displayed.
z  Enter the new PIN code again and press
Either
New PIN accepted
Note the new PIN code for future use
If you enter an incorrect new PIN code three times in a row, your phone leaves this menu option.
In other situations, if you enter an incorrect PIN code three times in a row, your phone is blocked and displayed. See section “IPEI code” on page 12 to un-block your phone.
or
Wrong New PIN
PIN Blocked, Unblock?
is displayed.
is
11BusinessPhone – Cordless phone DT292
Important

IPEI code

If your phone is blocked because an incorrect PIN code has been entered three times, you can unlock it with the IPEI code (International Portable part Equipment Identity). After entering the IPEI code, you must enter a new PIN code.
The IPEI code is a unique code which has been assigned to your phone. The IPEI code can be found in the
If your phone is blocked, phone must be unblocked before it can be used again.

To display the IPEI code

Route: Information » ShowIPEI
PIN Blocked, Unblock?
ShowIPEI
menu.
appears. The
Select
ShowIPEI
Enter PIN
and press
: is displayed.
z  Enter the PIN code for your phone (default 0000) and press
The 13-digit IPEI code is displayed.
Press to leave this menu
Note: Write down the IPEI code for future use. If you cannot retrieve the IPEI code, please contact your system administrator. Keep the IPEI code secret to prevent misuse of your phone.

Un-block the DT292

Press
Backdoor:
is displayed.
z  Enter the IPEI code and press
EnterNewPIN:
is displayed.
z  Enter the four digits of the new PIN code and press
RepeatNewPIN
is displayed.
z  Enter the new PIN code again and press
Either
New PIN accepted
latter case, the new PIN and the code you have just entered do not match. If again.
New PIN accepted
or
Wrong New PIN
appears, you can use the phone
is displayed. In the
BusinessPhone – Cordless phone DT29212
Important

Networks (menu option)

The menu option Networks should only be used for administration purposes by Aastra service staff. Using this menu option may cause a logout from the DECT/GAP network, and no further calls will be possible.
Note: In case of a logout, the phone must be logged on again by a service technician.
13BusinessPhone – Cordless phone DT292

Description

2
1
3 4 5
6
8
7
9
10
11
12
13
14
15
16
17
18
Work 4711 07-Jul 11:32
19
Description
BusinessPhone – Cordless phone DT29214
1Volume Up
Off-hook: raise earpiece volume. See section “Adjustments” on page 86.
2Volume Down
Off-hook: lower earpiece volume. See section “Adjustments” on page 86.
3Off-hook / Yes
Answer call, accept.
4 Clear (C) / Mute
Delete latest entered digit. Backspace when editing text. Cancel a menu option. Microphone, ringer and warning on/off, see sections “During Calls” on page 30 and “Adjustments” on page 86.
5 Control key (up)
Scroll up through menus or name list. Move left through the choices.
61 / Space
Space when editing text. See section “Integrated Phonebook” on page 74.
7 Battery (rear side)
See section “Installation” on page 96.
8 Star / Pause / Text case
Insert a dial tone pause. Upper/lower case in text mode. See section “Integrated Phonebook” on page 74.
Description
9Microphone
10 Warning light
Ringing, message waiting, battery low, exit cover area.
11 Earpiece
Please note: The phone may retain small magnetic
articles around the earpiece region.
12 Display (3 rows)
Display at rest. Work is the network name and 132 is (your) extension number. See section “Display info” on page 17.
13 On/Off / On-hook / No
Switch on/off, end call, one menu back. Cancel a menu option.
14 Control key (down)
Scroll down through menus, name list. Move right in choices.
15BusinessPhone – Cordless phone DT292
Description
15 Keypad
16 Hands-free
Activate hands-free speaking. See sections “Incoming Calls” on page 21, “Outgoing Calls” on page 24 and “During Calls” on page 30.
17 R/Message
Put call on hold (inquiry), take call off hold or enter the message system. See section “During Calls” on page 30.
18 Accessory connectors
See section “Installation” on page 96.
19 Loudspeaker (rear side)
For hands-free speaking function. See sections “Incoming Calls” on page 21, “Outgoing Calls” on page 24 and “During Calls” on page 30.
BusinessPhone – Cordless phone DT29216

Display info

The display gives you visual feedback on all actions that you perform, and also textual warnings. The upper two rows are text rows (12 possible characters in each row), showing menus that you can access, names and numbers that you edit or dial, your phone ID etc. The lower row displays different statuses, visualised by icons.

The DT292 display

Signs in the text rows

> Menu pointer
Shows the menu that can be accessed by pressing the YES key.
Description
< Number to long for display
There are more digits to the left.
- Dash
Indicates that a pause is programmed in the telephone number.
CallList icon
Marks an entry in the CallList. Three different call types are displayed:
<- Incoming call
-> Outgoing call
X Missed call
! Exclamation Mark
Marks an unread entry in an entry list.
17BusinessPhone – Cordless phone DT292
Description

Display icons

Signal strength
On when your phone is locked to the system. The bars indicate reception quality. Four bars indicate optimal reception.
Ringer off
Ringing signal muted or microphone off.
Key lock
Keys are locked.
Call
On when your phone is off hook and flashes during ringing.
Message
Message received.
Call info
New unanswered entry in the MissedCalls list.
Battery gauge
The battery cells are flashing sequentially when the battery is being charged and is on when charging is completed. Indicates the amount of talk and standby time left.
Note: An alarm sounds when there is less than 15 minutes calling time left in the battery.

Additional display features

Depending on which network you are connected to, additional display features are available. For example displaying of date and time. Ask your system administrator if you require additional display features.
BusinessPhone – Cordless phone DT29218
Description

Menu Structure

AutoKeyLock
MasterReset Language
Settings
Find&Call
DeleteAll
Options available when “on hook”
SelectNet Priority * Rename Delete Subscribe
CallList * MissedCalls * LastCall * TotalCalls ShowIPEI
Store
Find&Edit
Edit Delete
AddNew AddCallList
PhoneBook
Alerts
RingVolume
DiscreetRng
RingType
Internal External CallBack Message
KeySound
On Off
PhoneLock
PowerOn Subscript ChangePIN
Display
Light Contrast
Networks Information
Find&Call CallList *
GotoDTMF * DTMF-Long *
Options available when “off hook”
LM
Move within a menu.
.i Make selection. Move to submenu.
,| Move to previous menu.
Move to idle display.
Note * Available under certain circumstances.
Alarm *
SetAlarm AlarmOff
Vibrator
OnIfSilent On Off
MessageKey
Mess.KeyNo
Left/Up
Right/Down
Confirm Back
Cancel
M
L
Menu structure
The available phone specific functions and network functions can be accessed via the DT292 menus.
L or M Press to access the on hook menu when in stand-by mode or
to access the off hook menu during a call (see below)

Navigation keys

19BusinessPhone – Cordless phone DT292

Switching On/Off

Switching On/Off

Switch on the DT292

Press until the display lights up
If the phone does not switch on or the battery icon starts flashing, the battery is low. Charge the battery. While charging you can still use your phone.
Note: If the signal strength icon is off and the message
No network is displayed you cannot make or answer calls.

Switch off the DT292

Note: During calls, you cannot switch off your phone.
Press until the display turns blank
Your phone is switched off.
BusinessPhone – Cordless phone DT29220

Incoming Calls

InternalCall 4736
Incoming Calls
A ringing signal indicates an incoming internal- or external call. You can also see who has called you in the CallList.

Answer calls

The ringing type tells you whether the call is an internal, external or call-back call and the display indicates an incoming call.
Display example:
If the number is stored in the integrated Phonebook, the associated name is shown instead.
Press to answer
If you do not answer the call, the number is stored as a missed call in the CallList. See section “CallList” on page 22.
Note: Calls can be answered at any time, no matter if you are programming, or keying in a number etc.

Handsfree

> Press to answer the call in handsfree speaking mode
You are connected to the caller via the loudspeaker and microphone.
21BusinessPhone – Cordless phone DT292
Incoming Calls
ExternalCall Anna

End the call

Press
The duration time of the call is shown.

Mute ring sound or warning sound

If the phone rings or a warning sounds at an inconvenient moment you can temporarily suppress the sound:
Press to turn off the ringing for the moment
The ring off icon appears.
Even with the sound off, you can still answer the call. The warning light and hook icon keep flashing. If you do not answer the call, the number is stored as a missed call in the CallList. To turn off the ring sound permanently, see section “Volume control” on page 86.
Note: If you decide not to answer the call, press the NO key. The call is rejected and there is no entry in the CallList.

CallList

The last 20 dialled numbers, missed calls and answered calls are stored in the CallList (if supported by the network).
The different call types in the CallList are marked with the following icons:
<- Incoming call
-> Outgoing call
X Missed call
Note: An exclamation mark ( means that you have not read that entry yet.
BusinessPhone – Cordless phone DT29222
!) after an entry number
When there are new unanswered calls, the call info icon is
Check
Who Called?
1 X 05-Mar Sabrina!
displayed and the display shows:
Press if you do not want to return a call

To return a call

Incoming Calls
Press shortly
The CallList including dialled numbers, missed calls and answered calls appears. Each entry in the list is displayed with a number in the upper left corner of the display. The phone beeps if there are no names or numbers available for redial.
L or M Scroll until you have the right number or name
Press to dial the selected number
Tip: If you press the C/MUTE key instead of the YES key, you can edit the number before dialling.
You can also access the CallList via the
Route: Information » CallList
The
CallList menu is only displayed, if names or numbers are
available for returning a call. You can permanently store the numbers from your CallList in your
integrated Phonebook. See section “Add numbers from the
CallList” on page 79.
CallList
menu.
23BusinessPhone – Cordless phone DT292

Outgoing Calls

00535554505
Outgoing Calls
Sometimes you make a call but the person is not available. These functions will help you in your attempts to establish contact with the called party.
You can also make a call via the Phonebooks, see section “Integrated Phonebook” on page 74 or “System Phonebook” on page 80.

Make calls

Dialling while on hook

z Enter either a directory number to make an internal call.
Or:
0z Enter the digit(s) for external line access and the desired
public number.
Note: Which digit to press for external line access depends
on the configuration of the system.
The display shows the entered number, for example:
Press when the number is correct
Your phone will go off hook and dial the number.
BusinessPhone – Cordless phone DT29224
Notes:
0:00:23 00535554505
Correct a wrong entry by pressing the C/MUTE key.
If you decide not to make the call while keying in the number, press the NO key to stop.
If you receive a call while keying in the number, simply press the YES key to answer.
You can make your calls faster by using abbreviated numbers or dial-by-name. See section Abbreviated
Numbers” on page 55.

Dialling when off hook

If you prefer to dial a number off hook:
Press and hold until you hear the dial tone
Note: A short press activates the CallList.
z Enter the number and wait for a connection
Outgoing Calls

Handsfree

While you are waiting for a connection, dial tone or during the call:
> Press to switch the call to handsfree speaking mode
You are connected to the caller via the loudspeaker and microphone.

To end calls

Press to end the call
The duration of the call is displayed.
25BusinessPhone – Cordless phone DT292
Outgoing Calls

Last External Number Redial

When you initiate an external call the system automatically stores all the dialled digits, irrespective of whether the call was successful or not.
*** Press to redial the last dialled external number
The display will show the dialled number.

Redial number from CallList

Dialled numbers are stored in the CallList (if supported by the network).
Press shortly
The CallList including dialled numbers, missed calls and answered calls appears. Each entry in the list is displayed with a number in the upper left corner of the display. The phone beeps if there are no names or numbers available for redial.
L or M Scroll until you have the right number or name
Press to dial the selected number
Tip: If you press the C/MUTE key instead of the YES key, you can edit the number before dialling.
You can also access the CallList via the
Route: Information » CallList
The
CallList menu is only displayed, if names or numbers are
available for returning a call. You can permanently store the numbers from your CallList in your
integrated Phonebook. See section “Add numbers from the
CallList” on page 79.
For more information about the CallList, see section “CallList” on page 22.
CallList
menu.
BusinessPhone – Cordless phone DT29226

Automatic Call-back

You call an extension and receive busy tone or get no answer. This can also be used if no external line is free:
5 Press
Verification tone.
Note: The number for automatic callback may differ from country to country, see table Alternative programming for
Automatic Callback, Camp-on, Intrusion” on page 84.
Outgoing Calls
Press
You are called back if the extension finishes the ongoing call or the next time the extension finishes a new call. You have to answer within eight seconds otherwise the Call-back service is cancelled.

Busy extension

You call an extension and receive busy tone.

Camp-on

You can notify a busy extension of your call by a muted ringing call (if this function is allowed).
4 Press to camp-on
Stay off hook. When the called extension replaces the handset it will be called automatically.
Note: If you receive the busy tone again, the desired extension does not allow Camp-on.
The number for Camp-on may differ from country to country, see table Alternative programming for Automatic
Callback, Camp-on, Intrusion” on page 84.
27BusinessPhone – Cordless phone DT292
Outgoing Calls

Intrusion

You can intrude on an ongoing call on a busy extension (if this function is allowed).
8 Press to intrude
Intrusion tone is heard and a three-party call is established. When the called extension replaces the handset and you keep off hook, the called extension will be recalled automatically.
Note: If you still hear the busy tone, then your extension does not have the authority to intrude or the desired extension is protected against Intrusion.
The number for intrusion may differ from country to country, see table Alternative programming for Automatic Callback,
Camp-on, Intrusion” on page 84.
BusinessPhone – Cordless phone DT29228
Outgoing Calls

Call Statistics

Your phone can tell you the duration of your last call and display the total time of all external calls made.

To see the time spent on your last call

Route: Information » LastCall
LastCall
Press Press to leave this menu
TotalCalls
Press
Press to leave this menu
Press to delete the entry from the list
Select
The length of the last call is displayed in hours, minutes and seconds.

To see the time spent on all outgoing external calls

Route: Information » TotalCalls
Select
The total time of all external calls made is displayed in hours, minutes and seconds.
or
29BusinessPhone – Cordless phone DT292

During Calls

During Calls
The BusinessPhone Communication Platform allows you to handle calls in many different ways. You can for instance make an inquiry, transfer the call or create a conference, mute the microphone and ringer, change the dial mode or put the call on hold to perform other tasks.

Transfer and Inquiry

You have an ongoing internal or external conversation and you want to transfer the ongoing call.
B Press to put the current call on hold
Dial tone.
Tip: You can also use the options.
Z Enter the number of the third party.
You can transfer the call before answer or wait for answer.
Note: Make sure, that you are connected to the desired party. Please read the notes and warnings in section Useful Hints
on page 95.
B2 Press to switch between calls
Note: Sometimes the R key must be pressed twice. Whether you can put internal calls on hold or transfer calls to external lines depends on your PBX. Consult your system administrator.
or
Press to transfer the call
BusinessPhone – Cordless phone DT29230
Find&Call or CallList menu
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