The DP750 creates an immersive DECT network to enable mobile and efficient movement in your organization. A powerful mobile solution and user flexibility is achieved when paired with up to five phones in Grandstream’s DECT series. The DP750 supports a ran

Category: IP Phone


  • Up to 10 SIP accounts per system; up to 10 lines per handset; up to 5 concurrent calls per DECT system
  • Supports a range of up to 300 meters outdoors and 50 meters indoors
  • 3-way voice conferencing, full HD audio, integrated PoE
  • Automated provisioning options include TR-069 and XML config files
  • TLS and SRTP security encryption technology to protect calls and accounts
  • Use with Grandstream’s UCM series of IP PBXs for Zero Config provisioning
  • Offers multiple ring group options, including Circular, Linear, Parallel and Shared modes


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 300 meters outdoors and 50 meters indoors


5 LED indicators: Power, Network, Register, Call, DECT Reset button, Pairing/Paging button One 10/100 Mbps auto-sensing Ethernet port with integrated PoE

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, downloadable phonebook (XML, LDAP, up to 3000 entries), call waiting, call log (up to 300 records), auto answer, flexible dial plan, music on hold, server redundancy and fail-over
Sample Applications Weather, Currency (Pending)
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
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 handset(s)
Ring Group Flexible options when multiple handsets share the same SIP account Circular Mode: all phones ring sequentially from the phone next to the one that answered last Linear Mode: all phones ring sequentially in the predesignated order Parallel Mode: all phones ring concurrently and after one phone answers, the remaining available phones can make new calls Shared Mode: all phones ring concurrently and always share the same line similar to analog phones
Upgrade/ Provisioning  Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file
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 Start Guide, GPL statement
Dimensions (H x W x D) 28.5 x 130 x 90 mm
Weight  Base unit: 143g; Universal Power Supply: 50g; Package: 360g
Temperature and Humidity Operation: -10 to 50ºC (14 to 122ºF); Storage: -20º to 60ºC (-4 to 140ºF) Humidity: 10% to 90% non-condensing
Compliance FCC: Part 15D, Part 15B CE: EN60950, EN301489-1-6, EN301406 RCM: AS/NZS60950 ANATEL: #2288-16-9452Packaging & Shipping