Grandstream Networks DP715 US User manual

DP715_US/DP710_US User Manual www.grandstream.com
Firmware Version 0.0.0.8 http://esupport.grandstream.com
Grandstream Networks, Inc.
DP715_US/DP710_US
IP DECT Phone

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TABLE OF CONTENTS
DP715_US, DP710_US USER MANUAL
WELCOME....................................................................................................................................................4
SAFETY COMPLIANCES .................................................................................................................................4
WARRANTY ..................................................................................................................................................4
INSTALLATION............................................................................................................................................5
EQUIPMENT PACKAGING ...............................................................................................................................5
SETTING UP THE BASE STATION .....................................................................................................................5
SETTING UP THE CHARGING STATION .............................................................................................................6
INSERTING THE BATTERIES IN A HANDSET.......................................................................................................6
PRODUCT OVERVIEW................................................................................................................................8
CONTROLS AND MENU STRUCTURE....................................................................................................10
KEYS/DISPLAYS/LEDS.................................................................................................................................10
DISPLAY (LCD)............................................................................................................................................10
SYMBOLS...................................................................................................................................................11
DISPLAY KEYS ............................................................................................................................................11
MENU STRUCTURE .....................................................................................................................................12
MENU OVERVIEW........................................................................................................................................12
HANDSET - SETTINGS AND OPERATION..............................................................................................13
TURNING THE HANDSET ON/OFF................................................................................................................13
REGISTERING A HANDSET TO THE DECT BASE STATION ..............................................................................13
“OUT OF RANGE”WARNING..........................................................................................................................13
COMPLETING CALLS ...................................................................................................................................14
ANSWERING CALLS.....................................................................................................................................15
CALL HISTORY:...........................................................................................................................................15
THE PHONEBOOK........................................................................................................................................17
HANDSET FUNCTIONALITY ...........................................................................................................................18
UNDERSTANDING DP715 VOICE PROMPT....................................................................................................22
DIRECT IP CALLS .......................................................................................................................................23
CALL HOLD ................................................................................................................................................24
CALL WAITING............................................................................................................................................24
CALL TRANSFER.........................................................................................................................................24
3-WAY CONFERENCING ..............................................................................................................................25
CALL FEATURES ......................................................................................................................................25
BASE STATION - CONFIGURATION GUIDE...........................................................................................26
CONFIGURING THE DP715 BASE STATION THROUGH VOICE PROMPTS...........................................................26
CONFIGURING THE DP715 BASE STATION VIA WEB BROWSER......................................................................27
IMPORTANT SETTINGS ................................................................................................................................27
ADVANCED USER CONFIGURATION..............................................................................................................30
SAVING THE CONFIGURATION CHANGES ......................................................................................................39
REBOOTING THE DP715 BASE STATION FROM REMOTE ................................................................................39
CONFIGURATION THROUGH A CENTRAL SERVER ..........................................................................................39
SOFTWARE UPGRADE.............................................................................................................................40
FIRMWARE UPGRADE THROUGH TFTP/HTTP/HTTPS.................................................................................40
INSTRUCTIONS FOR UPLOAD FROM LOCAL DIRECTORY:................................................................................41
INSTRUCTIONS FOR LOCAL FIRMWARE UPGRADE USING TFTP SERVER:.........................................................41
CONFIGURATION FILE DOWNLOAD...............................................................................................................41

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MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD......................................................................42
RESTORE FACTORY DEFAULT SETTING..............................................................................................42
BASE STATION ...........................................................................................................................................42
HANDSET ...................................................................................................................................................43
TABLE OF TABLES
DP715_US, DP710_US USER MANUAL
Table 1: Equipment Packaging......................................................................................................5
Table 2: Definitions of the DP71X Connectors ..............................................................................7
Table 3: Basic Definitions of the DP715 LEDs Pattern..................................................................7
Table 4: Advanced Definitions of the DP715 LEDs Pattern...........................................................7
Table 5: DP715 Feature Guide......................................................................................................8
Table 6: DP715 IVR Menu Definitions.........................................................................................22
Table 7: Basic Settings ................................................................................................................28
Table 8: Status Page....................................................................................................................30
Table 9: Advanced Settings.........................................................................................................31
Table 10: Profile Settings...............................................................................................................34
Table 11: DP715 Handsets Settings..............................................................................................38
CONFIGURATION GUI INTERFACE EXAMPLES
DP715_US, DP710_US USER MANUAL
(http://www.grandstream.com/products/dp_series/dp71x/documents/dp715_gui.zip)
1. SCREENSHOT OF ADVANCED USER CONFIGURATION PAGE
2. SCREENSHOT OF BASIC SETTINGS CONFIGURATION PAGE
3. SCREENSHOT OF HANDSET CONFIGURATION
4. SCREENSHOT OF PROFILE CONFIGURATION
5. SCREENSHOT OF STATUS PAGE
6. SCREENSHOT OF LOGIN PAGE
7. SCREENSHOT OF REBOOT PAGE
8. SCREENSHOT OF REBOOTING PAGE

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WELCOME
Grandstream DP715_US, DP710_US is the next generation of powerful, affordable, high quality and
simple to configure IP DECT Phone for small business, residential users and road warriors. Their
compact size, superb voice quality, rich feature set, market leading price-performance and wide range
radio coverage enable consumers to maximize the power of IP voice application and mobility for a
minimum investment. The DP715_US, DP710_US is SIP and DECT compliant and field proven for
flexible deployment.
This manual will help you learn how to operate and manage your IP DECT Phone DP715/710 and make
the best use of its many upgraded features including simple and quick installation, 3-way conferencing,
direct IP Calling, and new provisioning support among other features. The DP715/710 is very easy to
manage and configure, and is specifically designed to be an easy to use and affordable VoIP solution for
both the residential user and the teleworker.
SAFETY COMPLIANCES
The DP715_US, DP710_US phone complies with FCC/CE and various safety standards. The DP71X
power adaptor is compliant with UL standard. Only use the universal power adapter provided with the
DP71X package. The manufacturer’s warranty does not cover damages to the phone caused by
unsupported power adaptors.
WARRANTY
If you purchased your DP71X from a reseller, please contact the company where you purchased your
device for replacement, repair or refund. If you purchased the product directly from Grandstream, contact
your Grandstream Sales and Service Representative for a RMA (Return Materials Authorization) number
before you return the product. Grandstream reserves the right to remedy warranty policy without prior
notification.
Caution: Changes or modifications to this product not expressly approved by Grandstream, or operation
of this product in any way other than as detailed by this User Manual, could void your manufacturer
warranty. Please do not use a different power adaptor with the DP71X as it may cause damage to the
products and void the manufacturer warranty.
•This document contains links to DP715_US GUI Interfaces. Please download these examples for
your reference here:
http://www.grandstream.com/products/ht_series/ht70x/documents/dp71x_gui.zip
•This document is subject to change without notice. The latest electronic version of this user
manual is available for download at:
http://www.grandstream.com/products/ht_series/ht70x/documents/dp71x_usermanual_english.pdf
Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for
any purpose is not permitted without the express written permission of Grandstream Networks, Inc.

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INSTALLATION
EQUIPMENT PACKAGING
Table 1: Equipment Packaging
DP715_US DP710_US
Base Station Yes No
Handset Yes Yes
Rechargeable batteries 2 2
Power Adaptor Yes Charger unit
Ethernet Cable Yes NO
Service Card Yes Yes
Quick Start Guide Yes Yes
SETTING UP THE BASE STATION
Carry out the following steps:
1. Plug the power supply plug into a 230V socket. Plug the connector into the connector socket on the
underside of the base unit.
2. Connect the network socket on the underside of the base unit to the network connection socket using
the Ethernet cable provided.
3
4
1
2
1. Network socket
2. Network cable
3. Underside of the base unit
4. Cable from the power supply plug

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SETTING UP THE CHARGING STATION
Plug the power supply plug into a 230V socket to start using the charging unit.
1
2
1 Underside of the charging unit
2 Power supply plug
INSERTING THE BATTERIES IN A HANDSET
1. Open the battery compartment (see below).
2. Insert the batteries in the correct polarity (+ and -).
3. Close the battery compartment.
4. To charge the rechargeable batteries for the first time, place the handset in the base unit or charging unit
for 16 hours. The Charge/In use indicator (LED) on the base unit lights up.

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Table 2: Definitions of the DP71X Connectors
DC 6V Power adapter connection
LAN Port (RJ-45) Connect to the internal LAN network. (DP715_US Only)
RESET Factory Reset button: Press for 7 seconds to reset factory default settings.
DP715_US Only)
There are four (4) LED buttons that help you manage the status of your DECT Base DP715.
Table 3: Basic Definitions of the DP715 LEDs Pattern
LEDs
POWER LED Indicates Power. Remains ON when power is connected
Network Indicates Access to the Network. Remains ON while there is Access to the Network
Registered Indicates if the accounts are registered
Call Indicate status of active calls.
Table 4: Advanced Definitions of the DP715_US LEDs Pattern
Patten
Number Condition LED LED Behavior
LED-01 Device has normal power Power ON
LED-02 Power Error: Power is removed from the device or power
supply with improper voltage is plugged in Power OFF
LED-03 Device has normal LAN connection and has obtained an
IP address Network ON
LED-04 Link Down
Note : This is the default state while the device is booting. Network Blink ( 1s on/ 1s off ).
LED-05 Link Up but no IP Address Network Blink ( .25s on/ .25s off )
LED-06 All configured SIP accounts are registered Registered ON
LED-07 SIP accounts are in the process of registering Registered Blink ( 1s on/ 1s off )
LED-08 Device is booting, application has not started. Registered Blink ( .25s on/ .25s off )
LED-09 Registration Error - ANY SIP account experiences
registration failure. Registered 0.25sec ON/ 0.25sec OFF
LED-10 Call is active. Any DECT handset is in an active call with
an external line. Call ON
LED-11 No active call. Call OFF

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PRODUCT OVERVIEW
The DP715_US, DP710_US is the next generation of powerful, affordable, high quality and simple to
configure IP DECT Phone for small business, residential users and road warriors. Their compact size,
superb voice quality, rich feature set, market leading price-performance and wide range radio coverage
enable consumers to maximize the power of IP voice application and mobility for a minimum investment.
The VoIP network signaling protocol supported is SIP. The DP715/710 is fully compatible with SIP industry
standard and can interoperate with many other SIP compliant devices and software on the market.
Moreover, it supports comprehensive voice codecs including G.711, G.723.1, G.729A/B, G.726 and iLBC.
Table 5: DP715 Feature Guide
DP715_US DP710_US
Interfaces
Air Interface Telephony standards: DECT / GAP
Frequency range: 1880 MHz to 1900 MHz
Number of channels: 120 duplex channels
Modulation: GFSK
Speech coding: 32 kbit/s
Emission power: 10 mW (average power per channel)
Range: up to 300 m outdoors, maximum of 50 m in buildings
Network Interface One 10/100Mbps auto-sensing Ethernet port (RJ45)
LED Indicators POWER
NETWORK
REGISTERED
CALL
128*128 LCD
with blue color backlight
Factory Reset
Button Yes
Audio Interface 2.5mm headset
Voice
Voice over Packet
Capabilities Dynamic Jitter Buffer Speakerphone with
Acoustic Echo Cancellation,
Voice Compression G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.726-32 AAL2,
G.729A/B, iLBC
Telephony Features Caller ID display or block, call waiting, Flash, blind or attended transfer, forward,
hold, do not disturb, 3-way conference
QoS Layer 2 (802.1Q VLAN/802.1p), Layer 3 (ToS, DiffServ, MPLS)
IP Transport RTP/RTCP
Signaling
DTMF Method In-audio, RFC2833 and/or SIP Info
IP Signaling SIP (RFC 3261)
Multiple SIP
accounts per base
station
Up to five (5) distinct SIP accounts per system
Independent SIP account per handset
Multiple handsets per SIP account
Provisioning HTTP, HTTPS, TELNET, TFTP, TR-069 (pending), secure and automated
provisioning, syslog
Security

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Media SRTP
Control TLS/SIPS
Management Syslog support, telnet, remote management using Web browser
Physical
Universal Power
Supply Input: 100-240VAC 50-60Hz 0.15A
Output: 6VDC/500mA Input: 100-240VAC 50-60Hz 0.15A Output: 7VDC/420mA
Power Consumption
& Battery Life Base unit with handset: approximately
1.4 W 10 hours talk time 100 hours standby time
16 hours charging time
Dimensions (H x W x
D) Base Unit: 75 x 105 x 85 mm Handset: 161 x 46 x 22 mm
Charging station: 53 x 75 x 60 mm
Weight Base unit including power supply plug:
173 g Handset including 2 batteries: 107 g Charging station including power supply
plug: 101 g
Environmental Operational: 5º – 45ºC
Storage: 0º – 60ºC
Humidity: Maximum 70% Non-condensing
Additional Features
Phonebook 200 numbers (up to 24 digits long) with
an associated name (up to 16
characters long)
10 outgoing call entries
30 incoming call entries
Homologation
Safety CENELEC EN 60950-1:2006 / All:2009
EMC ETSI EN 301 489-1 V1.8.1
ETSI EN 301 489-6 V1.3.1
Efficient use of
Frequency Spectrum ETSI EN 301 406 V1.5.1
Health CENELEC EN 50360:2001-07
CENELEC EN 50385:2002-08
Directive 2009/125/EC (EuP)
Regulation 278/2009

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CONTROLS AND MENU STRUCTURE
KEYS/DISPLAYS/LEDS
Handset
1. Display
2. Right display button (display functions)
3. Up/Redial key
4. Right/Recall key
5. On-hook/On-off-key
6. Alphanumeric keypad
7. Keypad lock key
8. Dial pause key
9. Microphone
10. Ringer off-key
11. Down/Calls list key
12. Off-hook key/Handsfree key
13. Left/Internal call key
14. Left display button (display functions)
Base station
15. Charge/In use indicator (LED)
DISPLAY (LCD)
Icon line
Text
line
Display menu/options
menu
Battery display:
• The batteries are fully charged.
• The batteries are 75% charged.
• The batteries are half charged (50%).
• The batteries are only 25% charged.
• The batteries are almost flat. The battery icon in the display flashes and the “Battery Low!”
message appears.

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SYMBOLS
Icon LCD Icon Definitions
On Hook.
Off Hook.
Ringing.
Internal Call.
Handsfree Speaker ON.
Keypad Locked.
ABC Upper Case.
Abc Lower Case.
Direction to further menu items.
Call list entries.
New voicemail message.
Handset ringer off.
Alarm set.
Aerial icon: in range (steady) - out of range (flashing)
DISPLAY KEYS
The display keys are the keys immediately below the display: and . Their function
changes
depending on the current context. Their current function is shown directly above
in the display. The most
important display key functions
are:
Phone book Mute function
OK/Confirm Previous
Menu Cancel
Delete

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MENU STRUCTURE
The handset has an easy-to-use menu structure. Every menu opens a list of options.
To open the main menu, press the right display key when the handset is on and in standby mode.
Press the key or key to scroll to the menu option you require. The instructions in this user
guide show the key symbols and the item number on the device overview. Then press to select
further options or confirm the setting displayed.
Exit menu or go up a menu level
To go to the previous menu item, press .
You can press the key at any time to cancel and return to standby mode. If you do not press any
key, the handset automatically reverts to standby mode after 20 seconds.
MENU OVERVIEW
Menu Submenu items
Phonebook
Handset
Ring Tone
Ringer Volume
Handset Name
Keypad Beep
Contrast
Auto Talk
Select Base
Language
Registration
Time Set Alarm
Set Time Format
Tools Appointment
Stop Watch

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HANDSET -SETTINGS AND OPERATION
TURNING THE HANDSET ON/OFF
1. Press the off-button to turn the handset on.
2. To switch the handset off, press and hold the off-key until the handset switches off.
REGISTERING A HANDSET TO THE DECT BASE STATION
Up to 5 handsets can be registered to one base station. Each handset can, for its part, be registered to up
to four base units and the user can choose which base unit he wishes to use. In the default setting as
supplied, each handset is registered as Handset 1 to Base unit 1.
1. The base station has to be restarted or you must enable the Subscription mode on it. Unplug the base
station power supply and plug it back in again or enable the Subscription mode.
Registration mode on the base unit is now activated for approximately 2 minutes. You must work through
the following steps to register a handset:
2. Press .
3. Press or repeatedly, select Handset
4. Press to confirm.
5. Press or repeatedly, select Registration.
6. Press to confirm.
7. Select ‘Register’ and press .
8. Select the base unit (1-4) desired using or and press .
9. Enter the base unit PIN (System PIN; default: 0000) and press .
10.Restart base appears in the display.
11.The handset will now search for the base unit and register when it has found it. The display shows
standby mode after a successful registration and the handset name and handset number appear.
Note: It is not possible to make or receive calls while the base unit is in registration mode.
“OUT OF RANGE”WARNING
When the handset is out of range of the base unit during communication:
• Searching appears in the display and the icon flashes in the display.
• Move closer to the base unit.
• The no longer flashes and is shown steadily.
• You are back within the base unit's range.

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COMPLETING CALLS
There are five ways to complete a call:
A. Make an External call
1. Press
2. The Charge/In use indicator (LED) on the base unit flashes and the call icon appears
in the display.
3. Dial the number you want once you hear the dialing tone.
4. The number appears on the display and is dialed.
5. To finish the call, press or replace the handset in the base unit or the handset charging unit.
B. Making an internal call
1. Press INT.
2. Internal appears in the display.
3. Select the number of the handset (keys 1-5) you wish to call.
4. When you have completed your call, press to hang up.
Note : Both DP710 should be registered to the same DP715 Base station.
C. Redialing the last number dialed
1. Press
2. Press
• The number you last called will be dialed automatically.
D. Redialing one of the last 10 numbers called
1. Press
2. The number you have most recently called appears in first place in the display.
3. Use or to search for the number you need.
4. Press
5. The number shown in the display is dialed automatically.
6. To finish the call, press or replace the handset in the base unit or the handset charging unit.
E. Calling a number from the phonebook
The phone has a phonebook in which you can save numbers and names
To call a number from the phonebook:
1. Press .
2. The first number in the phonebook appears on the display.
3. Press or to browse the phonebook.
4. Press .

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5. The number shown in the display is dialed automatically.
6. To finish the call, press or replace the handset in the base unit or the handset charging unit.
ANSWERING CALLS
There are 2 ways to answer calls:
A. Answer a call from the handset manually
The handset starts to ring during an incoming external or internal call. You can switch off the ringer
temporarily by pressing Silent.
1. The call symbol appears in the display.
2. The caller's number appears in the display. The name of the caller also appears on the display if:
a. The number is programmed into the phonebook with name.
b. The network transmits the name along with the phone number.
3. You have the following options for answering a call:
a. Press to pick up the call.
b. Pick up the handset from the base unit or from the handset charging unit (function only possible if Auto
Talk has been activated).
4. During the call, the icon, the caller's number or the name and call duration are shown on the display
as well.
5. To finish the call, press or replace the handset in the base unit or the handset charging unit.
B. Auto Talk Mode
If the handset is in the base unit and an incoming call is received, the call will be picked up automatically by
picking the handset up from the base unit. You can choose whether this function should be enabled or not.
1. Press .
2. Press or repeatedly, select Handset.
3. Press to confirm.
4. Press or repeatedly, select Auto Talk.
5. Press to confirm.
6. Select On or Off and press to confirm.
CALL HISTORY:
When you receive a call, the phone number of the caller, the date and time appear in the handset display.
The name will also be shown if it is in the phonebook or present in the SIP Invite.
The calls received are stored in a calls list (maximum of 30 call entries are saved). When the memory is full,
the new calls automatically replace the oldest ones in the log. The upper icon in the display flashes if
there are new missed calls in the calls list, and the number of new calls is shown in the middle of the
display next to the icon. If the calls list is empty and you press , Calls List Empty appears.

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Consult the call history
1. Press to retrieve the most recent entry.
2. The phone number of the most recent caller appears. If the caller's name is entered in the phonebook,
the name will be shown in the first line. If there is no entry and the calling number is not transmitted
Withheld is shown.
The date and time for each call show when the call was received in the second and third line.
The following information is also displayed in the third or fourth line:
– New: Unread or unanswered call.
– Old: Read or answered call.
– Repeat: Multiple calls of the same number. Only the last call is shown.
3. Press to display further entries in the list.
NOTE: If you do not press either of the or keys for 20 seconds the telephone will revert
back to standby mode.
After a call, the number of the caller remains on the display for about 4 seconds after the last ring.
Calling a number from the Call HISTORY
1. Press to access the calls history.
2. Use or to search for the number you need.
3. When the number is shown in the display, press .
4. The number will be dialed automatically.
Deleting a call
1. Press to access the calls list.
2. Use or to search for the number you need.
3. Press Option .
4. Press or repeatedly, select Delete.
5. Press to confirm.
6. The call is deleted and the next call appears on the display.
Delete all calls
1. Press to access the calls list.
2. Press Option .
3. Press or repeatedly, select Delete ALL.
4. Press to confirm.
5. All calls are deleted.
Note: Only the old calls are deleted. New calls, i.e. calls that have not been read or answered, are
retained.

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THE PHONEBOOK
You can store 200 numbers (up to 24 digits long) with an associated name (up to 16 characters long) in the
phonebook.
Saving a new entry in the phonebook
1. Press .
2. Press Option and confirm the New Entry with to add a new entry.
• Name: appears in the display.
3. Enter the name using the alphanumeric keys.
4. Press Save and enter the phone number.
5. Press Save and select the ringer melody required.
6. Press Save, to save the entry to the phonebook or press to cancel without saving the entry.
Finding and calling a number from the phonebook
1. Press .
2. Enter the initial letter of the name using the alphanumeric keys.
3. The first name in the list with this letter appears in the display.
4. Press or repeatedly to scroll through the other numbers in the phonebook.
5. Calling a listed person: the phone number required is highlighted. Press .
Edit a phonebook entry
1. Press .
2. Enter the initial letter of the name using the alphanumeric keys.
3. The first name in the list with this letter appears in the display.
4. Press or repeatedly to scroll through the other numbers in the phonebook.
5. Once the number you require appears in the display and is highlighted, press Option.
6. Press or repeatedly and select Edit Entry.
7. Press to confirm.
8. Press to delete each letter individually and use the alphanumeric keys to enter the correct
name.
9. Press Save.
10. Press to delete each individual digit and use the alphanumeric keys to enter the correct
phone number.
11. Press Save and select the ringer melody you require.
12. Press Save to save the changes entered.
Delete an entry or all entries
1. Press .
2. Enter the initial letter of the name required using the alphanumeric keys and/or scroll to the entry
required.
3. Press Option.
4. Scroll with or to Delete Entry? to delete the current entry only.
5. Or Delete All to delete all entries.

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6. Press . .
7. Press again to confirm or to cancel without deleting.
Display the details of phonebook entries
1. Press .
2. Enter the initial letter of the name required using the alphanumeric keys and/or scroll to the entry
required.
3. Press Option.
4. Scroll with or to Show Details and press .
5. The name, phone number and ringer melody you have assigned to the entry appear in the display.
6. Press to return to the list of entries.
HANDSET FUNCTIONALITY
Selecting the menu language
The telephone has a number of menu languages, see the packaging.
Proceed as follows to set the language:
1. Press .
2. Scroll with and to handset and press to confirm.
3. Scroll with and to Language and press to confirm.
The language settings will appear on the display.
4. Scroll with and to the required language and press to confirm.
5. You will hear a beep to confirm and the display will show: Saved.
6. Or press 14 to quit the menu without saving the setting.
Activate/deactivate handsfree mode
This function allows you to make a call without having to hold the handset in your hand.
1. Press while you are making a call to activate handsfree mode.
2. Press again to deactivate the handsfree function.
Note: If you are calling in handsfree mode and wish to change the volume press or
several times.
Important: The batteries will be drained more quickly if you use the handsfree function for some
time.
Setting the loudspeaker volume
Press or while you are making a call to set the volume of the loudspeaker. You can choose
between 5 different settings. The default setting is level 3:
Volume 1
Volume 2
Volume 3
Volume 4
Volume 5

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Note: The volume is adjusted in the same way in handsfree mode.
Muting the microphone
Press the display key to switch off the microphone during a call. You can now talk freely
without the caller on the telephone hearing you. Press Off again to switch the microphone back on.
Setting the ringer volume on the handset
You can adjust the ringer volume for an incoming call (internal or external) to one of 6 levels (level 1 to 5
and off).
If you select Off, the icon appears in the display. The handset will not ring for an incoming call. Level 5 is
the highest level. (The telephone is set to level 3 by default).
In order to configure the desired ringer volume, proceed as follows:
1. Press .
2. Press or repeatedly, select Handset.
3. Press to confirm.
4. Press or repeatedly, select Ringer Volume.
5. Press to confirm.
6. The current volume is displayed and can be heard.
7. Press or repeatedly to set the desired volume.
8. Press Save to confirm your selection or press to quit the menu without saving the setting.
Setting the ringer melody on the handset
You can change the ringer melody for an incoming call (internal or external). The device has 18 different
ringer melodies for you to choose from (1-18).
The default setting for the ring tone for an external call is melody 10.
The default setting for the ring tone for an internal call is melody 1.
In order to configure the desired melody for either an internal/external call, proceed as follows:
1. Press .
2. Press or repeatedly, select Handset.
3. Press to confirm.
4. Press or repeatedly, select Ring Tone.
5. Press to confirm.
6. Select External or Internal and press .
7. The current melody is displayed and can be heard.
8. Press or repeatedly, to select the desired melody.
7. Press Save to confirm your selection, or press to quit the menu without saving the setting.

Grandstream Networks, Inc. DP715-US/DP710-US User Manual Page 20 of 43
Firmware 0.0.0.8 Last Updated: 03/2012
Setting the key lock
You can lock the keypad against unintentional entries. It is, however, still possible to pick up incoming calls
even with the keypad locked.
Enabling or disabling the keypad lock:
1. Enable: press and hold for approximately 2 seconds.
2. The display shows Keypad Locked briefly and the key lock icon appears in the display.
3. Disable: press Unlock, then to unlock the keys again.
4. Keypad Unlocked appears briefly in the display.
Keypad beep on/off
You can set the handset so that a beep is heard every time a key is pressed.
1. Press .
2. Press or repeatedly, select Handset.
3. Press to confirm.
4. Press or repeatedly, select Keypad Beep.
5. Press to confirm.
6. Select
– On: switches keypad beep on.
– Off: switches keypad beep off.
7. Press to confirm your selection or press to quit the menu without saving the
setting.
Adjust the display contrast
1. Press . .
2. Press or repeatedly, select Handset.
3. Press to confirm.
4. Press or repeatedly, select Contrast.
5. Press to confirm.
6. Select the contrast (8 contrast levels) using or .
7. Press to confirm your selection or press to quit the menu.
Edit handset name
The procedure for changing the name of your handset shown in the display in standby mode is as follows:
1. Press . .
2. Press or repeatedly, select Handset.
3. Press to confirm.
4. Press or repeatedly, select Handset Name.
5. Press to confirm.
6. Press repeatedly to delete the letters one after the other and use the alphanumeric keys to
enter a new name.
7. Press Save to set the new handset name.