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.

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