Grandstream DP755 DECT Base Station for 10 Handsets and 20 SIP Accounts

The Grandstream DP755 is the highest-capacity base in the DP range: up to 10 cordless handsets, 20 SIP accounts and 8 concurrent calls, with up to 400 m outdoor range. It suits hotels, schools, hospitals and companies with a large team on the move all day.

====

The Grandstream DP755 is the base to choose once five cordless handsets are no longer enough. It runs up to 10 DP-series handsets with 20 SIP accounts and 8 calls at the same time. Outdoor range reaches up to 400 m with DP725, DP730 and DP735 handsets, and indoor coverage up to 50 m. A small hotel, a school or a hospital ward can run its whole mobile team from one base connected to the PBX.

Grandstream DP755 capacity in numbers

• Up to 10 DECT handsets.
• Up to 20 SIP accounts per system.
• 8 concurrent calls and 3-way conferencing.
• Up to 400 m outdoor and 50 m indoor range.
• One 10/100 Mbps port with 802.3af PoE.

A whole team on one system

Ten staff on cordless handsets, eight of them talking at the same moment. That is what operations in a Makkah or Madinah hotel looks like: reception, maintenance, housekeeping and room service, each with its own number on a separate SIP account that rings only on that team's handsets. With 20 accounts there is still room for direct manager lines.

Push-to-Talk and handset intercom

The DP755 supports Push-to-Talk: press to talk, release to listen, just like a two-way radio. Handset-to-handset intercom lets a security supervisor reach the gate guard without dialing a number. Both features cut coordination time for security and maintenance crews in compounds and schools.

Installation and central management

The base draws power from a PoE switch over its network cable, and a 5 V / 1 A adapter is in the box for sites without PoE. Grandstream recommends ceiling mounting for better coverage. IT can manage it remotely in GDMS or provision in bulk over TR-069 and encrypted XML, and Grandstream UCM systems set it up automatically through Zero Config. Calls are protected with TLS, SRTP and DECT authentication and encryption.

Where the DP755 fits in Saudi Arabia

• Hotels and serviced apartments, for front desk and maintenance teams.
• Schools, for the deputy head, counselor, guard and services staff.
• Hospitals and medical complexes, for ward nurses and security.
• Large warehouses and distribution centers running several shifts.

Handset and PBX compatibility

The DP755 works with Grandstream DP720, DP722, DP725, DP730 and DP735 handsets and registers to any SIP PBX, including Grandstream UCM and Yeastar. It supports HD voice with G.722 and OPUS, and its menus come in 19 languages, Arabic among them. To reach an annex or a distant floor, add a DP760 repeater, which links to the base automatically.

DP755 vs DP752

Both bases share the same body and the same outdoor range of up to 400 m. The difference is capacity: the DP752 serves 5 handsets, 10 accounts and 5 calls, while the DP755 serves 10 handsets, 20 accounts and 8 calls, and its spec sheet adds Push-to-Talk and intercom. For a team of five or fewer, the DP752 is enough; beyond that, go with the DP755.

Frequently Asked Questions

How many handsets does the DP755 support?

Up to 10 DP-series handsets (DP720, DP722, DP725, DP730, DP735), with 8 concurrent calls.

What is the difference between the DP755 and DP752?

Same body and range, but the DP755 handles 10 handsets, 20 accounts and 8 calls versus 5 handsets, 10 accounts and 5 calls on the DP752.

Does it support Push-to-Talk?

Yes. The base supports Push-to-Talk and handset intercom; you enable it in the handset settings.

Specifications

• Model: DP755
• Type: Long-range DECT VoIP base station
• Telephony standard: 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)
• Channels: 10 (Europe), 5 (US, Brazil, Japan), 3 (Korea), 8 (Taiwan)
• Range: Outdoor up to 400 m (DP730/DP725/DP735) or 350 m (DP722/DP720); indoor up to 50 m
• Energy saving: ECO mode
• Handsets: Up to 10 handsets
• Compatible handsets: DP720, DP722, DP725, DP730, DP735
• SIP accounts: Up to 20 per system; any handset maps to any account(s) and vice versa
• Concurrent calls: 8
• Compatible repeater: DP760
• Indicators / buttons: 3 LEDs (Power, Network, DECT), pairing/paging button
• Network port: One 10/100 Mbps auto-sensing Ethernet port with integrated PoE
• Protocols: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP
• Voice codecs: G.711 μ/a-law, G.723.1, G.729A/B, G.726-32, iLBC, G.722, OPUS, G.722.2/AMR-WB (special order)
• DTMF / voice processing: In-audio, RFC2833, SIP INFO; VAD, CNG, PLC, AJB
• Telephony features: Hold, transfer, forward, 3-way conference, push-to-talk, intercom, XML/LDAP phonebook up to 3000 entries, call waiting, call log up to 300, auto answer, flexible dial plan, server redundancy/failover
• Ring group modes: Parallel, circular
• QoS: Layer 2 (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS)
• Security: User and admin access control, MD5/MD5-sess authentication, 256-bit AES encrypted config file, TLS, SRTP, HTTPS, 802.1x, DECT authentication and encryption
• Languages: 19 languages, including Arabic and English
• Upgrade / provisioning: Firmware via HTTP/HTTPS or FTP/FTPS; mass provisioning via TR-069 or AES-encrypted XML; GDMS (firmware 1.0.3.19+); Zero Config with UCM
• PoE: IEEE 802.3af Class 1
• Power: PoE IEEE 802.3af Class 1, or 100–240 VAC adapter, 5 VDC 1 A output, Micro-USB (included)
• Dimensions: 140.31 × 64.98 × 105 mm (H × W × D)
• Weight: Base 140 g; power supply 50 g
• Temperature / humidity: Operating -10 to 50°C; storage -20 to 60°C; humidity 10–90% non-condensing
• Compliance: FCC (Part 15B, Part 15D, SAR, Part 68 HAC), CE (EN 55032, EN 55035, EN 60950-1, EN 301 489-1/-6, EN 301 406 and others, RED), RCM, ANATEL, EAC, UL (adapter)
• In the box: Base unit, universal power supply, Ethernet cable, quick installation guide, GPL statement

Features

• Up to 10 DECT handsets on one base: double the DP750 and DP752.
• 20 SIP accounts and 8 concurrent calls: whole departments on one cordless system.
• Up to 400 m outdoor range with DP725, DP730 and DP735, 50 m indoors: building and grounds covered.
• Push-to-Talk and handset intercom: reach a colleague instantly without dialing.
• 10/100 port with 802.3af PoE, adapter in the box: a single cable runs it.