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  4. Grandstream DP755 Long-Range DECT VoIP Base Station, 20 SIP Accounts, 10 Handsets, PoE
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Grandstream DP755 Long-Range DECT VoIP Base Station, 20 SIP Accounts, 10 Handsets, PoE

Part number DP755
  • Pairs with up to 10 Grandstream DP series DECT handsets
  • Up to 20 SIP accounts per system; up to 20 lines per handset
  • Outdoor range of up to 400 meters with DP730/DP725/DP735 or up to 350 meters with DP722/DP720, and up to 50 meters indoors
  • DECT authentication & encryption technology to protect calls & account
  • 3-way audio conferencing for easy conference calls
  • Supports Push-to-Talk
  • Automated provisioning options include TR-069 and XML config files
  • Use with Grandstream's UCM series of IP PBXs for Zero Config provisioning
SIP PoE HD Voice Cordless Phone DECT Grandstream
Price
⃁ 216.58 ⃁ 216.58 ⃁ 281.99 Save 23%
⃁ 216.58 ⃁ 281.99
(Tax excluded)
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  • Delivery within 4–10 business days across Saudi Arabia
  • Warranty according to the manufacturer
  • Tax invoice with every order
  • Technical support before and after purchase

Not sure this model fits your setup? Read the buying guide

Official datasheetGrandstream_DP755_Datasheet.pdf Download

Overview of Grandstream DP755

The Grandstream DP755 is a long-range, high-performance DECT VoIP base station that pairs with up to 10 Grandstream DP series handsets. It supports up to 20 SIP accounts per system and up to 20 lines per handset, with outdoor range of up to 400 meters using the DP730, DP725 or DP735 and up to 50 meters indoors, ideal for campuses and large sites. The base offers 3-way conferencing, HD audio, integrated PoE, push-to-talk, IPv6 and TLS/SRTP/HTTPS security, plus auto-provisioning via TR-069 or encrypted XML and zero-config deployment with Grandstream UCM IP PBXs. It is a strong fit for hotels, hospitals, schools, warehouses and large offices.

Technical Specifications – Grandstream DP755

Air Interface

Telephony StandardDECT
Frequency Bands1880–1900 MHz (Europe), 1920–1930 MHz (US), 1910–1920 MHz (Brazil), 1786–1792 MHz (Korea), 1893–1906 MHz (Japan), 1880–1895 MHz (Taiwan)
Number of Channels10 (Europe), 5 (US, Brazil or Japan), 3 (Korea), 8 (Taiwan)
RangeOutdoor: up to 400 meters (DP730/DP725/DP735) or up to 350 meters (DP722/DP720); Indoor: up to 50 meters
Energy SavingECO Mode
Supported HandsetsUp to 10 DP series DECT handsets

Hardware

LED Indicators3 LED indicators: Power, Network, DECT
ButtonsPairing/Paging button
Network InterfaceOne 10/100 Mbps auto-sensing Ethernet port with integrated PoE

Audio & Telephony

Protocol/StandardsSIP 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, IPv6
Voice CodecsG.711μ/a-law, G.723.1, G.729A/B, G.726-32, iLBC, G.722, OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB
Telephony FeaturesHold, transfer, forward, 3-way conference, downloadable phonebook (XML, LDAP, up to 3000 entries), call waiting, call log (up to 1500 records), auto answer, flexible dial plan, server redundancy and fail-over
Multiple SIP AccountsUp to twenty (20) distinct SIP accounts per system; each handset may map to up to 20 SIP account(s); each SIP account may map to any handset(s)
Ring GroupParallel Mode, HS Mode (flexible options when multiple handsets share the same SIP account)

Security & Management

QoSLayer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS)
SecurityUser 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-languageEnglish, Czech, German, Spanish, French, Hebrew, Italian, Dutch, Polish, Portuguese, Russian, Turkish, Arabic, Chinese Simple, Chinese Tradition, Japanese, Korean, Slovakian, Serbian
Upgrade/ProvisioningFirmware upgrade via TFTP/HTTP/HTTPS and local uploading, mass provisioning using TR-069 or AES encrypted XML configuration file
Device ManagementYes, GDMS

Power

Power SupplyUniversal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection
PoEIEEE802.3af Class 1, 0.44W–3.84W

Physical

Package ContentBase Unit, Universal Power Supply, Ethernet cable, Quick Start Guide, GPL statement
Dimensions (H x W x D)140.31 x 64.98 x 105mm
WeightBase unit: 140g; Universal power supply: 50g; Package: 370g
Temperature and HumidityOperation: -10 to 45ºC (14 to 113ºF); Storage: -20º to 60ºC (-4 to 140ºF); Humidity: 10% to 90% non-condensing
ComplianceFCC, CE, RCM, IC

Source: Grandstream official website and datasheet. Specifications are subject to change by the manufacturer.

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PRACTICAL ANSWERS

IP phone questions

How do I choose an IP phone for an employee?

Start with the person’s daily call workflow, required keys, headset use and desk connectivity. Check the exact model against the PBX and provisioning method rather than selecting only by screen size or appearance.

Does an IP phone need a separate power adapter?

Check the phone’s supported power options, what is included in the package and the capabilities of the connected switch. Confirm that the complete proposed arrangement can power every phone, not just a single test device.

Will my headset work with the new phone?

Compare the headset and phone model numbers, connector type and any required adapter or call-control support. Ask to test answering, ending and muting a call with the intended combination before equipping a team.

Can a phone be used by a remote employee?

Confirm the PBX’s supported remote deployment method and the employee’s network requirements. Plan secure provisioning and support responsibilities; do not expose administration interfaces or assume a phone can be moved without configuration.

How should I compare phone models for a reception desk?

List the extensions the receptionist handles, the required transfer workflow and any need for expansion keys or a headset. Evaluate the full workflow with the PBX, including the features actually licensed and supported.

What should I check before deploying many IP phones?

Test a small representative group first, then review network ports, power, provisioning, user labels and the rollback plan. Keep an inventory linking each physical device to its intended user or location.

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