RTX CT8440 User Manual
SME VoIP Handset Guide 5.1
Proprietary and Confidential
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Handset Operations Manual
RTX 8440
Technical Reference Document
Version 5.1
© Sept -2019 RTX A/S, Denmark
SME VoIP Handset Guide 5.1
Proprietary and Confidential
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Table of Contents
Handset Operations Manual ...................................................................................................................................... 1
RTX 8440 .................................................................................................................................................................... 1
1 About This Document ........................................................................................................................................ 5
1.1 Audience .......................................................................................................................................................... 5
1.2 Abbreviations ................................................................................................................................................... 5
1.3 References/Related Documentations .............................................................................................................. 5
1.4 Document History ............................................................................................................................................ 5
1.5 What is new ..................................................................................................................................................... 5
2 Making Handset Ready ...................................................................................................................................... 6
2.1 Package - Contents/Damage Inspection .......................................................................................................... 6
2.1.1 Before Package Is Opened ........................................................................................................................ 6
2.1.2 Contents of Package ................................................................................................................................. 6
2.1.3 Damage Inspection ................................................................................................................................... 7
2.2 Before Using the Phone ................................................................................................................................... 7
2.2.1 Installing the Battery ................................................................................................................................ 7
2.2.2 Using the Charger ..................................................................................................................................... 7
2.2.3 Handset in the Charger ............................................................................................................................. 7
2.2.4 How to Open Back Cover .......................................................................................................................... 8
2.2.5 How to Replace Battery ............................................................................................................................ 8
2.2.6 Handset Serial and IPEI/IPUI Number....................................................................................................... 8
3 Phone Overview ................................................................................................................................................ 9
3.1 Handset – Front View....................................................................................................................................... 9
3.2 Rear View - Handset ....................................................................................................................................... 10
4 Display ............................................................................................................................................................. 11
4.1 Icons and Text on the Display ........................................................................................................................ 11
4.2 Menu icons..................................................................................................................................................... 12
4.3 Keys and Buttons ........................................................................................................................................... 13
4.3.1 Navigation Keys/Selection Key ............................................................................................................... 13
4.3.2 Softkeys .................................................................................................................................................. 13
4.3.4 Speaker Key ............................................................................................................................................ 13
4.3.5 Activity Menu Key ................................................................................................................................... 13
4.3.6 Off-hook Key ........................................................................................................................................... 13
4.3.7 On-hook, and On/Off Key ....................................................................................................................... 13
4.3.8 Speed Dial Keys ....................................................................................................................................... 13
4.3.9 Volume Button ....................................................................................................................................... 13
4.3.10 Mute Button ......................................................................................................................................... 14
4.4 The Keypad .................................................................................................................................................... 15
4.4.1 Idle Mode, and Number Input Mode ..................................................................................................... 15
4.4.2 In Text Input Mode ................................................................................................................................. 15
4.4.3 Silent Mode from #-Key .......................................................................................................................... 15
5 Basic Operation ............................................................................................................................................... 16
5.1 How to Switch the Handset On/Off ............................................................................................................... 16
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5.2 Lock/Unlock the Keypad ................................................................................................................................ 16
5.3 Entering a number in idle............................................................................................................................... 16
6 Menu Operation .............................................................................................................................................. 17
6.1 Contacts ......................................................................................................................................................... 18
6.1.1 Add Contact ............................................................................................................................................ 18
6.1.2 Call/Edit a Contact .................................................................................................................................. 19
6.1.3 Send Message to Contact ....................................................................................................................... 19
6.1.3 More Contacts Options .......................................................................................................................... 20
6.1.4 Speed dial/One Touch Dial ..................................................................................................................... 20
6.2 Central Directory ............................................................................................................................................ 22
6.2.1 LDAP Mode and Local Mode .................................................................................................................. 22
6.2.2 Calling a Contact in the Central Directory .............................................................................................. 23
6.3 Calls ................................................................................................................................................................ 24
6.3.1 Call .......................................................................................................................................................... 25
6.3.2 View ........................................................................................................................................................ 25
6.3.3 More Calls Options ................................................................................................................................. 25
6.4 Connectivity ................................................................................................................................................... 27
6.4.1 Register ................................................................................................................................................... 27
6.4.2 Deregister ............................................................................................................................................... 27
6.4.4 Select PBX ............................................................................................................................................... 28
6.4.5 Easy registration ..................................................................................................................................... 28
6.5 Settings .......................................................................................................................................................... 30
6.5.1 Audio Settings ......................................................................................................................................... 31
6.5.2 Time & Date ............................................................................................................................................ 35
6.5.3 Language................................................................................................................................................. 37
6.5.4 LED Signal ............................................................................................................................................... 38
6.5.5 Power Save ............................................................................................................................................. 38
6.5.6 Security ................................................................................................................................................... 39
6.5.7 Handset Name ........................................................................................................................................ 40
6.5.8 Line ......................................................................................................................................................... 41
6.5.9 Reset settings ......................................................................................................................................... 41
6.5.10 Status .................................................................................................................................................... 41
6.5.11 Auto Answer ......................................................................................................................................... 42
6.5.12 Silent Charging ...................................................................................................................................... 43
6.5.13 Do Not Disturb ...................................................................................................................................... 43
6.5.14 Hide Number ........................................................................................................................................ 44
6.5.15 Call Forward .......................................................................................................................................... 45
6.5.16 Idle Screen Saver .................................................................................................................................. 46
6.5.17 Idle Clock .............................................................................................................................................. 47
6.6 Messaging ...................................................................................................................................................... 47
6.6.1 How to Setup Text Messaging ................................................................................................................ 47
6.6.2 How to Write a New Message ................................................................................................................ 49
6.6.3 How to Send a New Message ................................................................................................................. 50
6.6.4 How to Open and Reply to a Message ................................................................................................... 51
6.6.5 Four Messaging Submenus ..................................................................................................................... 51
6.6.6 Inbox ....................................................................................................................................................... 51
6.6.7 Drafts ...................................................................................................................................................... 53
6.6.8 Sent Messages ........................................................................................................................................ 54
6.6.9 Settings ................................................................................................................................................... 55
6.8 F-Keys ............................................................................................................................................................. 56
7 Calls Operations ............................................................................................................................................... 58
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7.1 Incoming call .................................................................................................................................................. 58
7.1.1 Answering an Incoming Call ................................................................................................................... 58
7.1.2 Reject an Incoming Call .......................................................................................................................... 58
7.1.3 Silencing an Incoming Call ...................................................................................................................... 59
7.1.4 Ending a Call ........................................................................................................................................... 59
7.2 Initiating a Call ............................................................................................................................................... 59
7.2.1 Initiating a Call from Idle ........................................................................................................................ 59
7.2.2 Initiating a Call from Contacts ................................................................................................................ 59
7.2.3 Initiating a Call from Calls ....................................................................................................................... 60
7.2.4 Initiating a Call from the Central Directory............................................................................................. 60
7.3 Call Holding/Retrieving .................................................................................................................................. 60
7.4 Attended and Unattended Transfer of a Call ................................................................................................. 60
7.4.1 Attended Transfer .................................................................................................................................. 61
7.4.2 Unattended Transfer .............................................................................................................................. 61
7.5 Swap between Two Calls ............................................................................................................................... 63
7.6 Call Waiting .................................................................................................................................................... 64
7.7 Conference Call .............................................................................................................................................. 65
7.7.1 Establishing a Conference Call ................................................................................................................ 65
7.7.2 Terminating a Conference Call ............................................................................................................... 66
8 Accessories ...................................................................................................................................................... 67
9 Troubleshooting .............................................................................................................................................. 68
9.1 Operational problems .................................................................................................................................... 68
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1 About This Document
This document describes the features and functionalities available in the RTX SME VoIP DECT 8440 Handset. We
describe how to operate the handset without going into details of its mechanical features. The reference for
features and operation in this manual is RTX generic mode.
1.1 Audience
This guide is intended for everyday users as well as system administrators.
1.2 Abbreviations
For the purpose of this document, the following abbreviations hold:
DECT: Digital Enhanced Cordless Telecommunications
IPEI: International Portable Equipment Identity
MAC: Media Access Control
PBX: Private Branch Exchange
1.3 References/Related Documentations
[1]: How_To_Deploy_SME_Network_V1.3
[2]: SME VoIP System Guide, Version 4.4
1.4 Document History
REVISION
AUTHOR
ISSUE DATE
COMMENTS
4.7
DKO
30/09/2019
Aligned with Firmware v470
1.5 What is new
What new features have been added.
REVISION
WHAT IS NEW
V460
RTX8200 Location gateway support
V470
Wired headset ICON added to status bar
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2 Making Handset Ready
In this chapter we briefly describe how to prepare the handset for use, install, and how to insert and charge new
batteries.
2.1 Package - Contents/Damage Inspection
2.1.1 Before Package Is Opened
Examine the shipping package for evidence of physical damage or mishandling prior to opening. If there is proof
of mishandling prior to opening, you must report it to the relevant support center of the regional representative
or operator.
2.1.2 Contents of Package
Make sure all relevant components are available in the package before proceeding to the next step.
In principle, every shipped handset unit package/box contains the following items:
• 1 x Handset unit
• 1 x Battery cover
• 1 x Handset belt clip
• 1 x Charger
• 1 x A/C Adaptor
• 1 x Battery
• 1 x plastic cover to replace the belt clip
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2.1.3 Damage Inspection
The following is the recommended procedure for you to use for damage inspection:
1. Examine all relevant components for damage.
2. Make a “defective on arrival - DOA” report or RMA to the operator. Do not move the shipping carton
until the operator has examined it. The operator/regional representative will initiate the necessary
procedure to process this RMA. They will guide the network administrator on how to return the
damaged package if necessary.
3. If no damage is found, then unwrap all the components and dispose of empty package/carton(s) in
accordance with country specific environmental regulations.
2.2 Before Using the Phone
The following are the precautions users should read before using the handset:
2.2.1 Installing the Battery
1. Never dispose battery in fires, otherwise it will explode.
2. Never replace the batteries in potentially explosive environments, e.g. close to inflammable
liquids/gases.
3. ONLY use approved batteries and chargers from the vendor or operator.
4. Do not disassemble, customize, or short circuit the battery
2.2.2 Using the Charger
Each handset is charged using a handset charger. The charger is a compact desktop unit designed to charge and
automatically maintain the correct battery charge levels and voltage. The handset charger is powered by AC
supply from 110-240VAC that supplies 5.0VDC at 1000mA. When charging the battery for the first time, it is
necessary to leave the handset in the charger for at least 10 hours before the battery is fully charged, and the
handset is ready for use.
2.2.3 Handset in the Charger
For correct charging, ensure that the room temperature is between 0°C and 25°C / 32°F and 77°F. Do not place
the handset in direct sunlight. The battery has a built-in heat sensor which will stop charging if the battery
temperature is too high.
If the handset is turned off when placed in charger, the handset turns on and shows (shortly) the charging
message “The battery is charging”. After a while the display backlight first dim and then turns off (if demo mode
is not enabled). There will be response for e.g. incoming calls.
If the handset is turned on when placed in charger, the display shows (shortly) the charging message “The
battery is charging”. After a while the display backlight first dim and then turns off if unless “Idle Screen Saver” is
switched on.
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2.2.4 How to Open Back Cover
1. Open the belt lock and slide down the back-cover as shown on the image below
2. Remove Back Cover from Handset
2.2.5 How to Replace Battery
Remove the back cover from the handset as showed in section 2.2.4 How to Open Back Cover above. Then
remove the old battery and replace with a new one.
2.2.6 Handset Serial and IPEI/IPUI Number
The serial number and IPEI/IPUI number of each handset is found either on a label, which is placed behind the
battery, or on the packaging label. First, lift off handset back cover and lift the battery and read the serial
number.
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3 Phone Overview
This section contains an overview of the handset from the front and rear side.
3.1 Handset – Front View
1. Earpiece Speaker
2. Screen
3. Navigation Keys (Up/Down/Right/left)
4. Selection Key (Centre of Navigation Keys)
5. Call Key/ Accept Call Key (Off-hook key)
To answer a call; functions as a short cut to the Call list.
6. End, ON/OFF Key, Back Key (On-hook key)
To end call, to return to a previous menu and to switch
the handset on/off by long press.
7. Activity Menu Key
To enter all the menus available on the handset.
8. Speaker Key
To enable/disable speaker mode during call.
9. 3 Softkeys
Used for different commands in the different menus on
the handset and change according to what is displayed on
the screen.
10. LED
Indicates incoming call, missed call, messaging, low
battery, and charging.
11. Microphone
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3.2 Rear View - Handset
12. Headset connector (3.5mm)
This is for connecting a headset. The connector is
protected against dust by the headset connector cover.
13. Volume Up Key (Side Key)
To increase the volume during call.
14. Volume Down Key (Side Key)
To decrease the volume during call.
15. Mute Key (Side Key)
To turn off the microphone in call, so that the
counterpart is muted.
16. External Speaker
Is used when speaker mode is enabled in call.
17. Back panel / Battery
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4 Display
This section contains a description of the different icons seen in the idle and in the menu.
4.1 Icons and Text on the Display
All functions and settings available to the handset user are shown as icons and text on the display. The icons and
text on the display indicate functions and settings to which you have access.
The picture below shows a typical idle screen that displays the time and date, display name which is set on the
web interface of the base station, registration number, and handset name which is set locally on the handset.
This active area is also the area for dialog window text if there has been a missed call, or an action needs to be
confirmed.
In the softkey bar at the bottom of the idle screen it is possible to access from the left: Contacts, Central
Directory, and Calls.
The status bar at the top of the idle screen is always visible in all screens. This displays icons which give the user
information about signal strength, missed call, new message, phone lock, key lock, sound off, time, and battery
status. These icons are shown and explained shortly in the following:
“Signal strength” icon is always visible in the upper left corner. The number of green staples is displayed
according to the strength of the signal. The icon is visible only when the handset is connected to a base station.
“Battery” icon is always visible in the upper right corner and shows how much battery is left on the handset.
“Missed call” icon is displayed in the status bar and indicates that there has been a missed call which can be
seen in the call list.
“Voice mail message” icon is displayed in the status bar when there are voice mails that have not been
listened to. This icon remains until the voice mail has been listened to.
“Message” icon is displayed in the status bar when there are messages on the handset that have not been
read.
“Sound off”/”Silent” icon is displayed in the status bar when silent mode is enabled on the handset.
“Keylock” icon indicates when the keypad is locked, and the user needs to long press the *-key to be able to
use the handset again.
Status bar
Date/Time
Softkey bar
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“Do not disturb” icon is displayed in the status bar when this feature is enabled; in this case the handset does
not react on any incoming calls.
“HD” icon is displayed during a call if the quality of the call is “High Definition” and hereby using the G.722
codec (also called a wideband call).
4.2 Menu icons
All the menus available on the handset are displayed when the menu key is pressed from idle. The available
menus are seen on the screen below.
The status bar at the top of the display is always displayed independent of which menu is selected, and the
softkey bar gives the possible options to select in every menu. In the active area of the screen the name of the
menu selected is displayed at top, and all the available menus to select are displayed. During navigation across
the different menus the highlighted icon is moving to indicate where the navigation key is. The menu icons are
showed and shortly explained in the following:
The “Contacts” menu contains all names/numbers in the local phonebook.
The “Calls” menu contains call lists and call times.
The “Connectivity” menu contains options to register/deregister the handset and network options.
The “Settings” menu contains personal handset settings such as time/date, language, handset name, etc.
The “Messaging” menu contains messages received on and sent from the handset along with the available
messaging settings.
The “F-Keys” menu contains personal handset settings for the F-Keys.
The “Central directory” menu contains all names/numbers in the central directory of the system. The icon is
shown as soon as the feature is set up in the web interface of the base system (see the additional base station
manual document for further information on this via [2])
Status bar
Name of the selected menu
Available menus
Softkey bar
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4.3 Keys and Buttons
4.3.1 Navigation Keys/Selection Key
Use this key when navigating in menus, and to move the cursor when writing some text or a number. The
navigation keys are used for stepping left/right and up/down when navigating in the menus. When
selecting or entering a menu use the selection key in the middle of the navigation keys.
4.3.2 Softkeys
The handset has three softkeys located just beneath the display, and the function of these
is indicated by text on the display just above each softkey according to the respective screen.
4.3.4 Speaker Key
The speaker key is used to shift between speaker mode and normal mode during call. When the handset is
set to speaker mode during call the speaker key lights up in red, and the sound comes from the speaker on the
back of the handset.
4.3.5 Activity Menu Key
When using this key from idle the activity menu is opened from which all the different menus available
on the handset can be opened.
4.3.6 Off-hook Key
This key is used for answering an incoming call, or dialing a number either directly from the idle, or from
the contact list, call list, or central directory. Pressing this key in idle opens the call list.
4.3.7 On-hook, and On/Off Key
The On-hook key is used for disconnecting calls and returning to the previous menus when navigating in
any menu. A long-press in idle will switch the handset off, and a long-press when the handset is switched off will
switch the handset on.
4.3.8 Speed Dial Keys
Any key from “2” – “9” can be set as a speed dial key. A long press on any of these numbers when the handset is
in idle can be set to a short cut to calling any contact in the contact list, or in the F-Key list. For additional
information on this feature see 7.1.4 Speed Dial/On Touch Dial.
4.3.9 Volume Button
These two volume buttons placed on the upper left side of the handset are used for increasing/decreasing the
volume during a call.
NOTE: These buttons are used to control the volume when using the earpiece, a headset, and the loudspeaker,
and the lowest volume will not mute the handset.
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4.3.10 Mute Button
The mute button is placed under the volume buttons on the left side of the handset. This button is used during
call to mute the call so that the microphone in the handset is turned off, and the counterpart cannot hear you,
but you are still able to hear the counterpart of the call.
Incoming call
Muted
Un-Muted
When the mute function is enabled during a call it is indicated on the “Connected” screen with the image shown
above. Mute is turned off by pressing the mute button again.
Furthermore, a press on the mute button when the handset is in idle will activate the “Push To Talk” function; for
further information on this feature see section 6.5.15 Push To Talk.
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4.4 The Keypad
The keypad is used when entering a name or number, and the sketch below shows the available characters on
the handset.
NOTE: Depended on the selected menu language, other characters can be available. Therefore, the character
order can differ from the table above.
4.4.1 Idle Mode, and Number Input Mode
When in idle a short press on a key enters the digits “0” – “9” and the characters * and #.
In number input mode, a long press on “0” generates a +.
4.4.2 In Text Input Mode
While in text input mode a short press on a key 0-9 displays the first available character on that specific key. The
marked character is then selected after a timeout, or when another key is pressed.
By pressing the *-key it is possible to change the text to be upper/lower case or only numeric (Abc, abc, ABC, or
123).
Use the 0 to add a space in the text.
4.4.3 Silent Mode from #-Key
By long-pressing the #-key when the handset is in idle, the handset will turn to silent mode, and a “Sound Off”
icon will be shown in the status bar. This feature enables the user to rapidly turn on silent mode. To turn off
silent mode again long press the #-key.
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5 Basic Operation
The following explains three basic operations of the handset: how to switch the handset on/off, how to
lock/unlock the keypad, and the available options when entering a number in idle.
5.1 How to Switch the Handset On/Off
Switching on the handset
To switch the handset on, long press the on-hook key . When the handset is on, it will display “Searching”
for a short while until a signal is detected, and then the handset is showing the registration number and is ready
for use.
Switching off the handset
To switch the handset off return to the idle screen and long press the on-hook button , and the handset
will turn off.
5.2 Lock/Unlock the Keypad
To prevent accidentally pressing keys and making a call, the keypad can be locked.
Locking the keypad
To lock the keypad long press the in idle, and a text message is displayed “Press and hold *”. When the
keypad is locked, the “Key Lock” icon is displayed in the status bar.
Unlocking the keypad
To unlock the keypad long press until the text message “Press and hold *” disappears.
NOTE: It is possible to answer/reject an incoming call while the keypad is locked.
5.3 Entering a number in idle
When entering a number in idle it is possible to call the number by pressing the off-hook key
Otherwise, the following three different options are available when a number is entered in idle.
Save
With this option the number can be added as a local contact by pressing the left softkey “Save”.
Clear
Using the right softkey “Clear” deletes one character at a time to the left of the cursor.
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6 Menu Operation
In the following a description of the different menus and submenus of the handset will be given. Before the
functions of every menu are explained, a menu tree will be showed at top to give an overview of how to enter
the different menus.
From idle it is possible to enter some of the menus directly via the three softkeys as displayed on the image
below. By pressing the left softkey the menu ‘Contacts’ is entered, via the middle softkey ‘Central Directory’ is
entered and using the right softkey enters ‘Calls’ to see the different calls lists.
Central Directory
To enter the menu from idle press the menu activity key on the keypad, and all the different menus can be
entered:
Contacts
Calls
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6.1 Contacts
In this menu all the local contacts on the handset are displayed. An empty local phonebook is displayed on the
picture below.
6.1.1 Add Contact
To add a new contact, press the right softkey “More”, select “Add contact”, and the information displayed in the
menu tree below can be filled out for the contact by pressing Edit at the bottom right corner.
Hereby, it is possible to edit the name, add different phone numbers (work, mobile, home, and other), and add a
specific ringtone to be used for exactly this contact.
To save a new contact, press the left softkey “Save”.
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6.1.2 Call/Edit a Contact
When the “Contacts” menu contains contacts, it is possible to “Call” or “Edit” each contact with the left and
middle softkey, respectively.
Pressing “Call” initiates a call to this contact.
When pressing “Edit” it is possible to edit the name, work and ringtone for the highlighted contact.
6.1.3 Send Message to Contact
From Contacts it is possible to send a message directly to a contact in the list. How to do this is displayed in the
images below:
In this way, it is possible to send a text message directly to a specific contact. For more information on the text
messaging feature see section 6.6 Messaging.
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6.1.3 More Contacts Options
When a specific contact is highlighted, pressing “More” in the “Contacts” menu enables the features seen below.
Edit before call
This function makes it possible to edit the number of the contact before calling the contact.
Edit contact
This has the same function as pressing “Edit” directly from the “Contacts” menu, and makes it possible to edit
the name, work and ringtone for the contact.
Delete contact
By selecting this feature, the following text message is displayed: “Delete current contact from local contact list?”
To delete the selected contact, press the left softkey “Yes”.
To go back to the “More” menu, press the right softkey “No”.
Delete all contacts
With this function all the contacts in the local contact list can be deleted, and by selecting this option the
following text message is displayed: “Delete entire local contact list?”
To delete all contacts in the local contact list, press the left softkey “Yes”.
To go back to the “More” menu, press the right softkey “No”.
6.1.4 Speed dial/One Touch Dial
With this feature it is possible to add a contact to the speed dial. Hereby, this contact can be called directly from
idle by long pressing the speed dial number that the contact is added to. The speed dial feature allows the user
to assign a speed dial number (2 – 9) to a contact. This enables the user to call a contact by making a single long
press on one of the number keys (2 – 9) when in idle.
A contact can only be assigned to one speed dial number at a time. The defined number of the contact will be
dialed when the speed dial key is pressed.
NOTE: The ‘1’ key is reserved for voicemail. Long key press on ‘0’ is used for starting a normal dial string with ‘+’.
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6.1.4.1 How to setup speed dial
Prerequisite: There must be at least one contact in the contact list.
Steps:
1. Go to the contact list > Move to the contact that you want to assign a speed dial number to.
2. Select “More” > Select “Speed dial”
3. Move to the speed dial number (2 – 9) that you want to assign the contact number to.
4. Select “Add”. The contact name should be appended to the speed dial number.
5. Leave the speed dial list by pressing the red “On-hook” key > Press “On-hook” key to exit “More” menu,
and exit contacts list by pressing “On-hook” key again.
In the picture below it is showed how the local contact ‘Henrik Daugaard’ is added as a speed dial number to 2.
6.1.4.2 How to call a speed dial number
Prerequisite: The handset is in idle and the key lock is not active.
Steps:
1. Make a long key press (> 2 seconds) on a speed dial key that is assigned to a contact. The first number
defined is dialed.
Hereby, the local contact “Adam” can be called directly from idle by long-pressing as displayed
below:
NOTE: The speed dial function can also be set up for the F-Keys (for additional information on this see section 7.8
F-Keys)
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