Grandstream Networks DP752 User manual

Grandstream Networks, Inc.
DP752/DP730/DP722
User Guide

DP752/DP730/DP722 - User Guide
WELCOME
Thank you for purchasing Grandstream DP752 DECT Cordless VoIP Base Station and DP722/DP730 DECT Cordless HD
Handsets.
The DP752 is a powerful DECT VoIP base station that pairs with up to 5 of Grandstream’s DP series DECT handsets to offer
mobility to business and residential users. It supports a range of up to 400 meters with DP730 and up to 350 meters with
DP722/DP720 outdoors and 50 meters indoors to give users the freedom to move around their work or home space,
delivering efficient flexibility. This DECT VoIP base station supports up to 10 SIP accounts and 5 concurrent calls while also
offering 3-way voice conferencing, full HD audio and integrated PoE. A shared SIP account on all handsets will add seamless
unified features that gives users the ability to answer all calls regardless of location in real-time. The DP752 supports a variety
of auto-provisioning methods and TLS/SRTP/HTTPS encryption security. When paired with Grandstream’s DP720, DP722 or
DP730 handsets, the DP752 offers a powerful cordless DECT solution for any business or residential user.
The DP730 is a DECT cordless IP phone that allows users to mobilize their VoIP network throughout any business, warehouse,
retail store and residential environment. It is supported by Grandstream’s DP750 and DP752 DECT VoIP base stations and
delivers a combination of mobility and top-notch telephony performance. Up to five DP730 handsets are supported on each
base station while each DP730 supports a range of up to 400 meters outdoors and 50 meters indoors from the base station. It
touts a suite of robust telephony features including support for up to 10 SIP accounts and 2 concurrent calls per handset, full
HD audio, a 3.5mm headset jack, push-to-talk, a speakerphone and more. When paired with Grandstream’s DECT Base
Stations, the
DP730 offers a powerful cordless DECT solution for any business or residential user.
The DP722 is a DECT cordless IP phone that allows users to mobilize their VoIP network throughout any business, warehouse,
retail store and residential environment. It is supported by Grandstream’s DP750 and DP752 DECT VoIP base stations and
delivers a combination of mobility and top-notch telephony performance. Up to five DP722 handsets are supported on each
base station while each DP722 supports a range of up to 350 meters outdoors and 50 meters indoors from the base station. It
touts a suite of robust telephony features including support for up to 10 SIP accounts and two concurrent calls per handset,
full HD audio, a 3.5mm headset jack, push-to-talk, a speakerphone and more. When paired with Grandstream’s DECT Base
Stations, the DP722 offers a powerful cordless DECT solution for any business or residential user.
PRODUCT OVERVIEW
DP752 Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported, voice codecs,
telephony features, languages and upgrade/provisioning settings for the Base station DP752.
Table 4: DP752 Technical Specifications
Air Interface
Telephony standards:DECT
Frequency bands:
●1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US)
●1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea)
●1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan)
Number of channels:10 (Europe), 5 (US, Brazil or Japan), 3
(Korea), 8 (Taiwan)
Range:up to 400 meters outdoor and 50 meters indoor
Peripherals
3 LED indicators: Power, Network, DECT.
Pairing/Paging button.
One 10/100 Mbps auto-sensing Ethernet port with integrated PoE

Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP,
ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP,
NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS,
SRTP
Voice Codecs
G.711μ/a-law, G.723.1, G.729A/B, G.726-32, iLBC, G.722, OPUS,
G.722.2/AMR-WB (special order), in-band and out-of-band DTMF
(in audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB
Telephony Features
Hold, transfer, forward, 3-way conference, push to talk, intercom,
downloadable phonebook (XML, LDAP, up to 3000 entries), call
waiting, call log (up to 300 records), auto answer, flexible dial
plan, server redundancy and fail-over
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 QoS (ToS, DiffServ,
MPLS)
Security
User and administrator level access control, MD5 and MD5-sess
based authentication, 256-bit AES encrypted configuration file,
TLS, SRTP, HTTPS, 802.1x media access control, DECT
authentication & encryption
Multi-language
Chinese Simple, Chinese Tradition, Czech, Danish, Dutch, English,
Estonian, Finnish, French, German, Hebrew, Hungarian, Japanese,
Korean, Norwegian, Portuguese, Romanian, Spanish, Swedish,
Turkish.
Upgrade/ Provisioning
Firmware upgrade via HTTP/HTTPS or FTP/FTPS, mass
provisioning using TR-069 or AES encrypted XML configuration
file
Multiple SIP Accounts
Up to ten (10) distinct SIP accounts per system
Each handsetmay map to any SIP account(s)
Each SIPaccountmay map to any handsets(s)
Ring Group
Flexible options when multiple handsets share the same SIP
account
●Circular Mode: All phones ring sequentially, starting with the
phone after the one which rang last.
●Linear Mode: All phones ring sequentially in the
predetermined order, starting with the first phone each time.
●Parallel Mode: All phones ring concurrently; after one phone
answers, the remaining available phones can make new calls
Power & Green Energy
Efficiency
Universal Power Supply Input AC 100-240V 50/60Hz; Output
5VDC, 1A; Micro-USB connection;
PoE: IEEE802.3af Class 1, 0.44W–3.84W
Package Content Base unit, Universal Power Supply, Ethernet cable, Quick
Installation Guide, GPL Statement
Dimensions(H x W x D) 140.31 x 64.98 x 105 mm
Weight
Base unit: 140g;
Universal power supply: 50g;
Package: 370g
Temperature and Humidity Operation: -10º to 50ºC (14 to 122ºF); Storage: -20º to 60ºC (-4
to 140ºF);

Feature Highlights
The following tables contain the major features of the DP752 / DP730 / DP722:
DP752
5 Handsets.
10 accounts.
10 Lines.
5 Concurrent calls.
PoE power support.
Range: Up to 400m with DP730 and up to 350m with
DP722/DP720 outdoor / 50m range indoor.
Table 1: DP752 Features at a Glance
DP730
DECT cordless HD.
2.4 inch (240×320) color
TFT LCD
500 hours standby / 40
hours talk time.
15 languages embedded.
10 accounts.
2 concurrent calls.
5 ring modes.
Table 2: DP730 Features at a Glance
Humidity: 10% to 90% non-condensing
Compliance
FCC:FCC Part 15B; FCC Part 15D; SAR (FCC 47 CFR Part2.1093;
IEEE 1528; IEC 62209-2); FCC Part68 HAC; FCC ID
CE：EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN
60950-1;EN 301 489-1/-6; EN 301 406; EN 50332-2;
SAR(EN50360;EN50566;EN 50663;EN62209-1; EN62209-2; EN
62479); RED NB Cert
RCM：AS/NZS CISPR32; AS/NZS 60950.1;AS/CA S004;AS/ACIF
S040. ANATEL, EAC, UL(adapter).

DP722
DECT cordless HD.
1.8 inch (128×160) color
TFT LCD
250 hours standby / 20
hours talk time.
15 languages embedded.
10 accounts.
2 concurrent calls
5 ring modes.
Table 3: DP722 Features at a Glance
DP730 Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported, voice codecs,
telephony features, languages and upgrade/provisioning settings for the DP730 handsets.
Air Interface
Telephony standards:DECT
Frequency bands:
●1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US)
●1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea)
●1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan)
Number of channels:10 (Europe), 5 (US, Brazil or Japan), 3
(Korea), 8 (Taiwan)
Range:up to 400 meters outdoor and 50 meters indoor

Peripherals
2.4 inch (240×320) color TFT LCD
27 keys including 3 soft keys, 5 navigation/ menu keys, 4
dedicated function keys for SEND, POWER/END,
SPEAKERPHONE, MUTE, 3 side keys including 2 volume (up and
down) and 1 Push-to-Talk key
3-color MWI LED
3.5mm headset jack
Proximity and accelerometer sensors
Backlit keypad
Removable belt clip
Micro-USB port for alternative charging and non-battery
operation
Protocols/Standards Hearing Aid Compatibility (HAC) compliant
Voice Codecs
G.722 codec for HD audio and G.726 codec for narrow band
audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are
supported via companion DECT base station DP752), AEC, AGC,
Ambient noise reduction on microphone capturing and advanced
noise suppression on audio playing
Telephony Features
Hold, transfer, forward, 3-way conference, push-to-talk, intercom,
call park, call pickup, downloadable phonebook, call waiting, call
log, auto answer, click-to-dial, flexible dial plan

Table 5: DP730 Technical Specifications
DP722 Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported, voice codecs,
telephony features, languages and upgrade/provisioning settings for the DP722 handsets.
HD Audio Yes, in both Handsets and Speakerphone modes
Security DECT authentication & encryption
Multi-language
Chinese Simple, Chinese Tradition, Czech, Danish, Dutch, English,
Estonian, Finnish, French, German, Hebrew, Hungarian, Japanese,
Korean, Norwegian, Polish, Portuguese, Romanian, Spanish,
Turkish.
Upgrade/ Provisioning Software Upgrade Over-The-Air (SUOTA), handsets provisioning
Over-The-Air
Multiple LineAccess Each handset may access up to 10 lines
Power & Green Energy
Efficiency
Universal Power Supply Input AC 100-240V 50/60Hz; Output
5VDC 1A; Micro-USB connection;
Rechargeable Li-ion battery (500 hours of standby time and 40
hours of talk time)
Package Content Handset unit, universal power supply, charger cradle, belt clip, 1
battery, Quick Installation Guide
Dimensions(H x W x D) Handset: 168.5 x 52.5 x 21.8mm;
Charger cradle: 76 x 73 x 81mm
Weight
Handset: 180g;
Charger cradle: 78g;
Universal power supply: 50g;
Package: 465g
Temperature and Humidity
Operation: -10º to 50ºC (14 to 122ºF); Charging: 0 to 45ºC (32 to
113ºF); Storage: -20º to 60ºC (-4 to 140ºF); Humidity: 10% to
90% non-condensing
Compliance
FCC:FCC Part 15B; FCC Part 15D; SAR (FCC 47 CFR Part2.1093;
IEEE 1528; IEC 62209-2); FCC Part68 HAC; FCC ID
CE：EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN
60950-1;EN 301 489-1/-6; EN 301 406; EN 50332-2;
SAR(EN50360;EN50566;EN 50663;EN62209-1; EN62209-2; EN
62479); RED NB Cert
RCM：AS/NZS CISPR32; AS/NZS 60950.1;AS/CA S004;AS/ACIF
S040. ANATEL, EAC, UL(adapter).
Air Interface Telephony standards:DECT
Frequency bands:
●1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US)
●1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea)
●1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan)
Number of channels:10 (Europe), 5 (US, Brazil or Japan), 3
(Korea), 8 (Taiwan)

Range:up to 350 meters outdoor and 50 meters indoor

Peripherals
1.8 inch (128×160) color TFT LCD
23 keys including 2 softkeys, 5 navigation / menu keys, 4
dedicated function keys for SEND, POWER/END,
SPEAKERPHONE, MUTE
3-color MWI LED
3.5mm headset jack
Removable belt clip
Micro-USB port for alternative charging and non-battery
operation
Protocols/Standards Hearing Aid Compatibility (HAC) compliant
Voice Codecs
G.722 codec for HD audio and G.726 codec for narrow band
audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are
supported via companion DECT base station DP752), AEC, AGC,
Ambient noise reduction on microphone capturing and advanced
noise suppression on audio playing
Telephony Features
Hold, transfer, forward, 3-way conference, push-to-talk, intercom,
call park, call pickup, downloadable phonebook, call waiting, call
log, auto answer, click-to-dial, flexible dial plan
HD Audio Yes, in both Handsets and Speakerphone modes
Security DECT authentication & encryption
Multi-language
Chinese Simple, Chinese Tradition, Czech, Danish, Dutch, English,
Estonian, Finnish, French, German, Hebrew, Hungarian, Japanese,
Korean, Norwegian, Polish, Portuguese, Romanian, Spanish,
Turkish.
Upgrade/ Provisioning Software Upgrade Over-The-Air (SUOTA), handsets provisioning
Over-The-Air
Multiple LineAccess Each handset may access up to 10 lines
Power & Green Energy
Efficiency
Universal Power Supply Input AC 100-240V 50/60Hz; Output
5VDC 1A; Micro-USB connection;
Rechargeable Li-ion battery (500 hours of standby time and 40
hours of talk time)
Package Content Handset unit, universal power supply, charger cradle, belt clip, 1
battery, Quick Installation Guide
Dimensions(H x W x D) Handset: 158 x 50 x 28.1mm;
Charger cradle: 81.15 x 75.89 x 36.36mm
Weight
Handset: 110g;
Charger cradle: 44g;
Universal power supply: 50g;
Package: 328g
Temperature and Humidity
Operation: -10º to 50ºC (14 to 122ºF); Charging: 0 to 45ºC (32 to
113ºF); Storage: -20º to 60ºC (-4 to 140ºF); Humidity: 10% to
90% non-condensing

Table 6: DP722 Technical Specifications
GETTING STARTED
This chapter provides basic installation instructions including the list of the packaging contents and also information for
obtaining best performance with the DP730/DP722 DECT Cordless HD Handsets and the DP752 DECT Cordless VoIP Base
Station.
Equipment Packaging
DP752
1 Base unit
1 Universal power supply 5V
1 Bracket
1 Ethernet cable
1 Quick Installation Guide
1 GPL Statement
Table 7: Equipment Packaging – DP752
Figure 1: DP752 Package Content
DP730
1 Handset unit
1 Universal power supply 5V
1 Charging station
1 Handset Belt
1 Rechargeable Li-ion battery
1 Quick Installation Guide
Table 8: Equipment Packaging – DP730
Compliance
FCC:FCC Part 15B; FCC Part 15D; SAR (FCC 47 CFR Part2.1093;
IEEE 1528; IEC 62209-2); FCC Part68 HAC; FCC ID
CE：EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN
60950-1;EN 301 489-1/-6; EN 301 406; EN 50332-2;
SAR(EN50360;EN50566;EN 50663;EN62209-1; EN62209-2; EN
62479); RED NB Cert
RCM：AS/NZS CISPR32; AS/NZS 60950.1;AS/CA S004;AS/ACIF
S040. ANATEL, EAC, UL(adapter).

Figure 2: DP730 Package Content
DP722
1 Handset unit
1 Universal power supply 5V
1 Charging station
1 Handset Belt
2 Rechargeable batteries
1 Quick Installation Guide
Table 9: Equipment Packaging – DP722
Figure 3: DP722 Package Content
Connecting DP752
To setup the DP752 DECT Cordless VoIP Base Station, please follow the steps below:
Figure 4: DP752 Back View
You have two options for power and network connection of the base station: AC power or Power over Ethernet (PoE).
Note
Check the package before installation. If you find anything missing, contact your system administrator.
Note

Connecting via AC power
1. Connect the micro-USB connector into the related port on the base station and connect the other end of the power
adapter into an electrical power outlet.
2. Connect the supplied Ethernet cable between the Internet port on the base station and the Internet port in your network
or the switch/hub device port.
Connecting via PoE
To connect the base station using PoE, you need to connect the Ethernet cable provided (or 3rd party network cable) between
the Network Socket on the base station to Ethernet port of your PoE switch/hub.
Setting up DP730/DP722 Handsets
Please follow below steps to insert batteries into the Handsets:
Open the battery compartment cover.
For DP730: Inset Li-ion battery with the electrodes in the bottom left corner.
For DP722: Insert AAA batteries with correct polarity (+ / -).
Close the battery compartment cover.
Figure 5: Setting up the DP730/DP722
Battery Information
DP722 Batteries Specifications DP730 battery specifications
Technology: Nickel Metal Hydride (Ni-MH)
Size: AAA
Voltage: 1.2V
Capacity: 800mAh
Charging time: 12 hours from empty to full
Standby time: up to 250 hours
Talk time: up to 20 hours’ active talk time
Technology: Li-ion
Nominal Voltage: 3.8V
Capacity: 1500mAh
Charging time: 12 hours from empty to full
Standby time: up to 500 hours
Talk time: up to 40 hours’ active talk time
For better signal range, we recommend installing DP752 with LED side facing toward the usage area. Ceiling mount is
recommended for better coverage.
Note
Please charge the batteries fully before using the Handsets for the first time.