NEC DT700 Series User manual

DT700 Phone User Manual
For UNIVERGE Sphericall and iS3000-SIP@Net Platforms

DT700 Phone User Manual
For UNIVERGE Sphericall and
iS3000-SIP@Net Platforms
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PART NUMBER 610-210R1
VERSION 7.0.1

DT700 PHONE USER MANUAL
iv P/N 610-210r1 DT700 User Manual
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NOTICES
Copyright © 2008-2010 NEC Corporation
NEC Sphere Communications, Inc., a wholly owned subsidiary of NEC Corporation,
Japan. All Rights Reserved. Printed in USA.
NEC Sphere Communications Inc. (or “NEC Sphere”) is continually upgrading and
developing the products described in this publication. The information contained
herein is specifically designed for the NEC UNIVERGE Sphericall7 for IBM Lotus
Foundations release and is subject to change without notice. Written permission is
required prior to reproduction of any of the work covered here by copyright.
For warranty information, see the License Agreement on the Sphericall software DVD
media.
NEC Sphere, Sphere, Sphericall, Sphericall Voice Mail, Sphericall Manager,
Sphericall Desktop, PhoneHub, COHub, BranchHub, MeetingHub, and the Sphere
logo are trademarks of NEC Sphere Communications, Inc., a wholly owned subsidiary
of NEC Corporation.
NEC, NEC logo, and UNIVERGE are trademarks or registered trademarks of NEC
Corporation that may be registered in Japan and other jurisdictions. Windows,
Microsoft, Outlook, and Exchange are trademarks or registered trademarks of
Microsoft Corporation in the United States and other countries. IBM, the IBM logo,
Lotus, Lotus Notes, Notes, Domino, Lotus Foundations, are trademarks of
International Business Machines Corporation in the United States, other countries, or
both. Other products mentioned in this document are the property of their respective
owners and are also subject to copyright, trademark, and intellectual property
protection as applicable by law.
U.S. Patent Numbers 5,892,764 and 6,735,208 and related Foreign Patents.
Other U.S. and Foreign Patents Pending.
DOCUMENT REVISION HISTORY
610-210r1 June 2010 Initial release

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DT700 PHONE USER MANUAL
DT700 User Manual P/N 610-210r1 v
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DOCUMENT FEEDBACK
Feedback or Information Related to this document:
NEC Sphere Communications, Inc.
300 Tri State International, Suite 150
Lincolnshire, Illinois 60069
Telephone [phone]
http://www.NECSphere.com
NEC Sphere Communications, Inc. is a wholly owned subsidiary of NEC Corporation.
DOCUMENT INFORMATION
Document Name and Product Number:
________________________________________________________

DT700 PHONE USER MANUAL
vi P/N 610-210r1 DT700 User Manual
REGIONAL CONTACTS
NEC HEADQUARTERS & ASIA OPERATIONS
NEC Corporation
7-1, Shiba 5-chome Minato-ku,
Tokyo 108-8001 Japan
Telephone: [phone]
Fax: [phone]
Website: http://www.nec.co.jp/
EUROPE, MIDDLE EAST AND AFRICA
NEC Unified Solutions
The corporate headquarters of NEC Unified Solutions is located at:
NEC Unified Solutions
Anton Philipsweg 1
1223 KZ Hilversum, Netherlands
Telephone: [phone]
Fax: [phone]
Website: http://www.nec-unified.com
NORTH AMERICA
NEC Corporation of America
6535 N. State Highway 161
Irving, TX 75039-2402
Telephone: [phone] (800-2400-NEC)
Fax: [phone]
Authorized Associates and Resellers:
Phone: [phone]
Fax: [phone]
Website: http://www.necam.com
WORLDWIDE OFFICES
For the latest information on offices in your area, visit www.nec.com and select your
area.

DT700 User Manual Contents i
Contents
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C ONTENTS
Notices...............................................................................................................-iv
Document Revision History............................................................................. iv
Document Feedback............................................................................................v
Document Information......................................................................................v
Regional Contacts ........................................................................................... vi
1 Overview.....................................................................................1-1
DT700 Series Phones.......................................................................................1-1
Platform Compatibility....................................................................................1-1
DT700 Lineup................................................................................................1-1
DT700 Keys and Parts ..................................................................................1-2
To display the Menu List using the Menu Key .........................................1-17
Soft Keys..................................................................................................1-19
Exit and Help Keys...................................................................................1-21
Optional Equipment.........................................................................................1-22
Programmable Key Module.........................................................................1-22
Gigabit Ethernet Adapter.............................................................................1-22
2 Installation................................................................................2-25
Before You Begin ........................................................................................2-25
Adjusting Angle of Tilt Leg...........................................................................2-25
To raise tilt leg..........................................................................................2-25
To lower tilt leg.........................................................................................2-26
To remove tilt leg .....................................................................................2-26
To attach tilt leg........................................................................................2-27
Connecting the Phone.................................................................................2-28
To attach the handset..............................................................................2-28
To connect LAN cable to the phone.........................................................2-29
To connect a headset (Optional)..............................................................2-30
To connect a computer (Optional) ...........................................................2-30
Installing a Directory Card (Optional).......................................................2-31
Installing/Removing Line Key Card (Optional).............................................2-32
To remove Line Key Panel/ Button Panel................................................2-32
To install Line Key Card...........................................................................2-33
Wall Mounting (Optional).............................................................................2-33
Wall Mounting Clearance Requirements .................................................2-34
To mount the phone on the wall...............................................................2-34

CONTENTS
ii Contents DT700 User Manual
3 Basic Settings/Configuration..................................................3-37
Basic Setup with the Cursor Pad or Up/Down Keys .......................................3-38
To adjust the handset ringing volume (Sphericall Systems)....................3-38
To adjust the Soft Ring volume (iS3000-SIP@Net Platforms).................3-38
To adjust the headset ringing volume......................................................3-39
To adjust the call volume (handset or headset).......................................3-39
To adjust the call volume (speaker).........................................................3-39
Basic Setup with the Menus and Cursor Pad..................................................3-40
To adjust the LCD contrast......................................................................3-40
To change the LCD Backlight Timeout ....................................................3-41
To enable an external headset ................................................................3-41
To set external headset ringing................................................................3-43
To set the Date Format............................................................................3-44
To set the Time Format............................................................................3-45
To change the Display Language ............................................................3-46
To edit the Dial Preference......................................................................3-47
To restart your phone...............................................................................3-48
To view the phone settings ......................................................................3-49
To view the firmware information for your phone.....................................3-49
To view the IP address of your phone .....................................................3-49
To view the maximum numbers of calls you can handle
on your phone..........................................................................................3-50
4 Basic Phone Operation ...........................................................4-53
DT700 Basic Call Operation............................................................................4-54
Answering Calls...........................................................................................4-54
To answer an incoming call .....................................................................4-54
To reject an incoming call ........................................................................4-55
Placing Calls................................................................................................4-55
To place an external call..........................................................................4-55
To place an internal call...........................................................................4-56
Call Duration................................................................................................4-57
DT710 (ITL-6DE) phone ..........................................................................4-57
DT730 (ITL-12D, ITL-24D, ITL-32D) phones...........................................4-58
Ending a Call...............................................................................................4-58
Redialing a Number.....................................................................................4-58
Hold/Resume a Call.....................................................................................4-59
To hold/resume a call...............................................................................4-59
Using a Headset to Make and Receive Calls ..............................................4-59
To make calls with your headset..............................................................4-60
To answer calls with your headset...........................................................4-60
To transfer the current call to your headset.............................................4-61
Call Waiting/Concurrent Calls .........................................................................4-61
To answer the other incoming call (Call Waiting).....................................4-61
To place a second call (Concurrent call)..................................................4-62
To switch between calls...........................................................................4-63

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CONTENTS
DT700 User Manual Contents iii
Call Transferring and Conferencing................................................................4-63
Conferencing Calls......................................................................................4-63
To conference two calls...........................................................................4-63
To hold/resume a conference call............................................................4-64
To call another party while on a conference call......................................4-65
To split a conference call.........................................................................4-65
To switch between two calls ....................................................................4-66
Transferring Calls........................................................................................4-67
Attended transfer .....................................................................................4-67
Blind transfer............................................................................................4-67
Unattended transfer.................................................................................4-68
To shuttle between calls during an Attended Transfer.............................4-69
To switch from transferring calls to a conference call..............................4-69
To split calls into two calls when transferring (Transfer split)...................4-70
Advanced Messaging Features.......................................................................4-71
Message Waiting.........................................................................................4-71
Voice Mail....................................................................................................4-71
DT710 (ITL-2E) phone.............................................................................4-71
DT710 (ITL-6DE) and D730 (ITL-12D, ITL-24D
and ITL-32D) phones...............................................................................4-71
5 Advanced Phone Features......................................................5-73
The Help key...................................................................................................5-74
Using the Help key...................................................................................5-74
The Menu Key.................................................................................................5-75
Call History......................................................................................................5-76
Access Call History using the Menu Key .................................................5-76
Access Call History using the Cursor Pad ...............................................5-76
To view Missed Calls ...............................................................................5-77
To view Received Calls............................................................................5-78
To view Placed Calls................................................................................5-79
To dial an internal number from the Call History using the handset........5-80
To dial an external number from the Call History.....................................5-81
To add a Call History entry to the Personal Directory..............................5-82
To delete a specific entry from the Call History .......................................5-85
To delete Call History for all Missed, Received or Placed Calls ..............5-86
To delete all Call History information .......................................................5-86
The Personal Directory ...................................................................................5-88
Viewing the Personal Directory and Entry Details.......................................5-88
Cursor Pad movement in the Personal Directory.....................................5-88
To view the Personal Directory................................................................5-88
To view a specific Personal Directory entry.............................................5-90
Presence Monitor Settings and the Personal Directory ...........................5-91
Incoming Call Display and the Personal Directory...................................5-92
Searching for an Entry in the Personal Directory ........................................5-92
To search the Personal Directory ............................................................5-92
Dialing from the Personal Directory.............................................................5-94
To dial a number from the Personal Directory .........................................5-94

CONTENTS
iv Contents DT700 User Manual
Adding or Editing a Personal Directory Entry..............................................5-95
Duplicate Entries in the Personal Directory .............................................5-95
To add an entry to the Personal Directory ...............................................5-96
To edit a Personal Directory entry .........................................................5-100
Deleting a Personal Directory Entry ..........................................................5-105
To delete a Personal Directory entry .....................................................5-105
To remove Personal Directory entry information but keep
Speed Dial Key information ...................................................................5-106
Speed Dial and Programmable Keys............................................................5-108
Programmable Key Management..............................................................5-108
Speed Dial Key Configuration ...................................................................5-109
Speed Dial Key Numbering....................................................................5-110
Presence Monitor Settings and Speed Dial Keys ..................................5-111
Duplicate Entries in Speed Dials............................................................5-112
Using the Feature Key ...........................................................................5-112
To view Speed Dial Key information for Programmed
Speed Dial Keys ....................................................................................5-113
Speed Dial Key Operation.........................................................................5-114
To originate a call from Speed Dial Keys...............................................5-114
Speed Dial Key Programming Examples ..................................................5-115
To add a Programmable Key/Speed Dial Key
without a Personal Directory entry.........................................................5-116
To add a Programmable Key as a Speed Dial Key
with a Personal Directory entry using the Feature Key..........................5-120
To add a Programmable Key as a Speed Dial Key
with a Personal Directory Entry from the Personal Directory.................5-123
To add a Speed Dial Key to an existing Personal Directory entry.........5-127
To configure a Programmable Key as a Speed Dial Key
for a star/hash code...............................................................................5-131
Editing Speed Dial Keys............................................................................5-134
To edit a Speed Dial Key.......................................................................5-134
Deleting Speed Dial Keys..........................................................................5-140
To delete the Speed Dial information ONLY
from a Personal Directory Entry.............................................................5-140
To delete an entire Speed Dial and Personal Directory entry................5-142
To delete a Speed Dial only entry..........................................................5-144
Speed Dial and Personal Directory Character Sets......................................5-145
6 Phone Troubleshooting.........................................................6-149
Using the Help key........................................................................................6-149
Basic Troubleshooting...................................................................................6-150
To check common problems..................................................................6-150
Network Connections....................................................................................6-151
My phone cannot register on the network..............................................6-151
My phone indicates that the network cable is unplugged ......................6-151
My phone cannot reconnect to the network after a
local settings change .............................................................................6-152
I cannot connect to the network through the PC port
on the back of the phone .......................................................................6-152

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CONTENTS
DT700 User Manual Contents v
Power............................................................................................................6-152
The phone does not power up (Power Over Ethernet (PoE))................6-153
The phone does not power up (Power supply)......................................6-153
Calling...........................................................................................................6-153
The phone does not have a dial tone.....................................................6-153
The phone cannot make any calls.........................................................6-154
The phone cannot make any external calls ...........................................6-154
A Speed Dial/Personal Directory entry is not working correctly.............6-154
Telephone numbers from the Personal Directory or
Call History are not dialing correctly ......................................................6-155
The phone does not ring........................................................................6-156
I cannot reconnect to a call on Hold/The call does not terminate..........6-156
Phone Keypad...............................................................................................6-157
The dial pad and/or buttons are not working..........................................6-157
I want to enter specific characters or letters in Speed Dials
and Personal Directory Entries..............................................................6-157
Phone Soft Keys ...........................................................................................6-158
The phone Soft Keys are not working....................................................6-158
I cannot see a particular Soft Key on my phone....................................6-158
LCD Screen/Display......................................................................................6-159
The LCD is too light or dark...................................................................6-159
I want to adjust the time the LCD stays lit..............................................6-159
I need to reset the language on my phone ............................................6-160
The Call History information on my phone is gone ................................6-161
The name shown on the LCD of my phone is wrong.............................6-161
Audio.............................................................................................................6-161
There is no audio to my handset............................................................6-161
There is no audio to my headset............................................................6-162
Audio quality ..........................................................................................6-163
A Sphericall System Features.................................................A-165
Call Pickup................................................................................................ A-165
To pick up a call on a DT710 (ITL-2E) phone....................................... A-165
To pick up a call on DT710 (ITL-6DE) and DT730 (ITL-12D,
ITL-24D and ITL-32D) phones.............................................................. A-165
Do Not Disturb (DND)............................................................................... A-167
To enable Do Not Disturb (DND).......................................................... A-167
To disable Do Not Disturb (DND).......................................................... A-168
Sphericall Voice Mail................................................................................ A-168
DT710 (ITL-2E) phone.......................................................................... A-168
DT710 (ITL-6DE) and DT730 (ITL-12D, ITL-24D
and ITL-32D) phones............................................................................ A-168
Sphericall Telephone Set Star Code Commands..................................... A-168
B iS3000-SIP@Net System Features ......................................B-171
Programmable Keys / Speed Dial keys.................................................... B-171
Example................................................................................................ B-171
iS3000-SIP@Net Prefixes........................................................................ B-172

CONTENTS
vi Contents DT700 User Manual
C Notices...................................................................................C-173
Third Party Software Disclaimer and Limitations .........................................C-173
Open Source License Acknowledgement.................................................C-173
OpenSSL Redistribution Conditions .....................................................C-173
libSRTP Redistribution Conditions........................................................C-174
NetBSD Foundation's (TNF) License....................................................C-174
Audio Coding Licenses.............................................................................C-175
Notice to the user.........................................................................................C-175
Important safety information.........................................................................C-175
Use of an external AC adapter.....................................................................C-176
Use of an IEEE802.3af power supply ..........................................................C-176
Declaration of Conformity.............................................................................C-176
WEEE Product Disposal Information ...........................................................C-179
Index.............................................................................................I-1

DT700 User Guide 1-1
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O VERVIEW 1
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DT700 SERIES PHONES
PLATFORM COMPATIBILITY
The various models of DT700 SIP phones can be used on various communication
server platforms, including the following:
• NSIP (NECi) firmware on the Univerge platforms
• Sphericall platform (equipped with Open SIP firmware)
• iS3000-SIP@Net platform (equipped with Open SIP firmware)
This manual describes the general functionality of DT700 phones running on a
platform equipped with Open SIP firmware and either the Sphericall or iS3000-
SIP@Net platform.
For general information on using the DT700 phone, see the Quick Reference Guide
for the specific DT700 phone model.
For information on functionality specific to the Sphericall platform, see Appendix A,
“Sphericall System Features.”
For information on the functionality specific to the iS3000-SIP@Net platform, see
Appendix B, “iS3000-SIP@Net System Features.”
DT700 LINEUP
This section describes the currently supported lineup of DT700 phones:
Note: For supported languages and other system requirements, please refer to the
System Requirements document.
Phone Name Phone Model Phone Features
DT710 ITL-2E (IP Economy) •2 programmable keys
DT710 ITL-6DE (IP Economy) •6 programmable keys
•Cursor pad
•LCD display

OVERVIEW
DT700 Series Phones
1-2 DT700 User Guide
DT700 KEYS AND PARTS
The following diagrams and tables show the keys and parts that are available on
DT700 phones.
DT730 ITL-12D (IP Value) •12 programmable keys
•Full dot grayscale LCD
•Cursor pad
•Backlit LCD
•Backlit keypad
•Full duplex hands-free
•Number of programmable keys is
upgradeable
DT730 ITL-24D (IP Value) •24 programmable keys
•Full dot grayscale LCD
•Cursor pad
•Backlit LCD
•Backlit keypad
•Full duplex hands-free
•Number of programmable keys is
upgradeable
DT730 ITL-32D (IP Value) •32 programmable keys
•Full dot grayscale LCD
•Cursor pad
•Backlit LCD
•Backlit keypad
•Full duplex hands-free
•Number of programmable keys is
upgradeable
Phone Name Phone Model Phone Features

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OVERVIEW
DT700 Series Phones
DT700 User Guide 1-3
ITL-32D (DT730 SERIES) PHONE LAYOUT AND PARTS
Figure 1.1 ITL-32D (DT730 Series) Phone Layout
1
2
4
5
12 13 14 15 11
16
10
9
8
7
6
3

OVERVIEW
DT700 Series Phones
1-4 DT700 User Guide
Table 1.1 ITL-32D (DT730 Series) Keys and Parts
1 Call Indicator Lamp The Call Indicator Lamp at top corner of the display flashes
when a call is offered to the phone. Also, if you have Voice Mail
service, the Lamp lights steadily when a message has been
left.
2 LCD The LCD (Liquid Crystal Display) provides call status activity
information plus date, time and Soft Key operation.
3 Exit key This key allows you to exit from the Menu or Help mode and
go back to the telephone main screen.
4 Soft Keys The Soft Keys show the available features for your current
activity. Any feature shown at the bottom of the LCD is
available. The appropriate key is displayed on the screen
according to the call handling process.
5 Help key Press the Help key and then press a Soft Key to display
information about that Soft Key.
6 Programmable Keys The first programmable key is reserved as the Line Key. Line
Keys allow the user to select which line to operate on.
Any programmable keys not used as Line Keys can be
programmed as Speed Dial Keys by the user or system
administrator. Numbers up to 24 digits can be assigned to
Speed Dial Keys. The numbers may be a telephone number or
star/hash codes.
For more information on Speed Dial Key numbering, see
“Speed Dial Key Numbering” on page 5-110.
7Recallkey Sphericall Systems: Press this key to get a dial tone. If you
are currently on a call, the current call will be placed on hold
and a new call will be started.
iS3000-SIP@Net Platforms: See the Hold key.
8 Feature key This key displays a set of menu options that provide additional
capabilities, such as speed dial key programming.
9 Answer key Press this key to answer an incoming call. If you have a
headset attached to the phone, the audio will go through the
headset. If you do not have a headset attached to the phone,
the audio will go through the speaker on the phone.
When LED on this key is lit, press key to answer a waiting call.
10 Mic key Press key to mute the microphone. The LED on this key
flashes when the microphone is muted. Press the key again to
un-mute the microphone.
11 Menu key Press this key to access the features and settings provided on
the local telephone menu, such as Call History, Personal
Directory or User Settings.
12 Hold key Press this key to place a call on hold.
13 Transfer key Press this key to transfer a call.

. . . . .
OVERVIEW
DT700 Series Phones
DT700 User Guide 1-5
ITL-24D (DT730 SERIES) PHONE LAYOUT AND PARTS
Figure 1.2 ITL-24D (DT730 Series)
14 Speaker key Controls the built-in speaker which can be used for Hands
Free dialing and conversations.
The LED on this key lights when key is active.
15 Cursor pad Use this key to navigate to various features.
16 Programmable Keys Additional Programmable line keys.
Programmable Key numbering starts with Key 25 at the top
and to key number 32 for the ITL-32D phone.
1
2
4
5
12 13 14 15 11
10
9
8
7
6
3

OVERVIEW
DT700 Series Phones
1-6 DT700 User Guide
Table 1.2 ITL-24D (DT730 Series) Keys and Parts
1 Call Indicator Lamp The Call Indicator Lamp at top corner of the display flashes
when a call is offered to the phone. Also, if you have Voice Mail
service, the Lamp lights steadily when a message has been
left.
2 LCD The LCD (Liquid Crystal Display) provides call status activity
information plus date, time and Soft Key operation.
3 Exit key This key allows you to exit from the Menu or Help mode and
go back to the telephone main screen.
4 Soft Keys The Soft Keys show the available features for your current
activity. Any feature shown at the bottom of the LCD is
available. The appropriate key is displayed on the screen
according to the call handling process.
5 Help key Press the Help key and then press a Soft Key to display
information about that Soft Key.
6 Programmable Keys The first programmable key is reserved as the Line Key. Line
Keys allow the user to select which line to operate on.
Any programmable keys not used as Line Keys can be
programmed as Speed Dial Keys by the user or system
administrator. Numbers up to 24 digits can be assigned to
Speed Dial Keys. The numbers may be a telephone number or
star/hash codes.
For more information on Speed Dial Key numbering, see
“Speed Dial Key Numbering” on page 5-110.
7Recallkey Sphericall Systems: Press this key to get a dial tone. If you
are currently on a call, the current call will be placed on hold
and a new call will be started.
iS3000-SIP@Net Platforms: See the Hold key.
8 Feature key This key displays a set of menu options that provide additional
capabilities, such as speed dial key programming.
9 Answer key Press this key to answer an incoming call. If you have a
headset attached to the phone, the audio will go through the
headset. If you do not have a headset attached to the phone,
the audio will go through the speaker on the phone.
When LED on this key is lit, press key to answer a waiting call.
10 Mic key Press key to mute the microphone. The LED on this key
flashes when the microphone is muted. Press the key again to
un-mute the microphone.
11 Menu key Press this key to access the features and settings provided on
the local telephone menu, such as Call History, Personal
Directory or User Settings.
12 Hold key Press this key to place a call on hold.
13 Transfer key Press this key to transfer a call.

. . . . .
OVERVIEW
DT700 Series Phones
DT700 User Guide 1-7
ITL-12D (DT730 SERIES) PHONE LAYOUT AND PARTS
Figure 1.3 ITL-12D (DT730 Series)
14 Speaker key Controls the built-in speaker which can be used for Hands
Free dialing and conversations.
The LED on this key lights when key is active.
15 Cursor pad Use this key to navigate to various features.
1
2
4
5
12 13 14 15 11
10
9
8
7
6
3

OVERVIEW
DT700 Series Phones
1-8 DT700 User Guide
Table 1.3 ITL-12D (DT730 Series) Keys and Parts
1 Call Indicator Lamp The Call Indicator Lamp at top corner of the display flashes
when a call is offered to the phone. Also, if you have Voice Mail
service, the Lamp lights steadily when a message has been
left.
2 LCD The LCD (Liquid Crystal Display) provides call status activity
information plus date, time and Soft Key operation.
3 Exit key This key allows you to exit from the Menu or Help mode and
go back to the telephone main screen.
4 Soft Keys The Soft Keys show the available features for your current
activity. Any feature shown at the bottom of the LCD is
available. The appropriate key is displayed on the screen
according to the call handling process.
5 Help key Press the Help key and then press a Soft Key to display
information about that Soft Key.
6 Programmable Keys The first programmable key is reserved as the Line Key. Line
Keys allow the user to select which line to operate on.
Any programmable keys not used as Line Keys can be
programmed as Speed Dial Keys by the user or system
administrator. Numbers up to 24 digits can be assigned to
Speed Dial Keys. The numbers may be a telephone number or
star/hash codes.
For more information on Speed Dial Key numbering, see
“Speed Dial Key Numbering” on page 5-110.
7Recallkey Sphericall Systems: Press this key to get a dial tone. If you
are currently on a call, the current call will be placed on hold
and a new call will be started.
iS3000-SIP@Net Platforms: See the Hold key.
8 Feature key This key displays a set of menu options that provide additional
capabilities, such as speed dial key programming.
9 Answer key Press this key to answer an incoming call. If you have a
headset attached to the phone, the audio will go through the
headset. If you do not have a headset attached to the phone,
the audio will go through the speaker on the phone.
When LED on this key is lit, press key to answer a waiting call.
10 Mic key Press key to mute the microphone. The LED on this key
flashes when the microphone is muted. Press the key again to
un-mute the microphone.
11 Menu key Press this key to access the features and settings provided on
the local telephone menu, such as Call History, Personal
Directory or User Settings.
12 Hold key Press this key to place a call on hold.
13 Transfer key Press this key to transfer a call.