Grandstream DP755 Carrier Grade HD DECT Base Station with Extended Range
AIM Telecom provides troubleshooting and configuration support for this product to businesses across Canada and the USA. Contact us to confirm whether the issue can be handled by phone or requires on-site service.
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Common issues and fixes
Reviewed troubleshooting steps are not yet available for this model.
Ask AIM Telecom about this productAbout this product
Up to 20 SIP accounts per system; up to 20 lines per handset
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
HD audio to maximize audio quality and clarity; full duplex speakerphone
Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb,
message waiting indication, multi-language prompts, flexible dial plan and more
Weight: 0.82 lbs
Dimensions: 5.52 × 2.56 × 4.13 in
Phone Type: DECT
General Info:
Model: DP755
Box Contents:
DP755 Base Unit
Universal Power Supply
Ethernet cable
Quick Start Guide
GPL statement
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)
Outdoor Range: up to 400 meters (DP730) or up to 350 meters (DP722/DP720)
Indoor Range: up to 50 meters
Peripherals 3 LED indicators:
Power, Network, DECT pairing/Paging button
One 10/<br>100 Mbps auto-sensing Ethernet port with integrated PoE
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
HD audio to maximize audio quality and clarity; full duplex speakerphone
Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb,
message waiting indication, multi-language prompts, flexible dial plan and more
Weight: 0.82 lbs
Dimensions: 5.52 × 2.56 × 4.13 in
Phone Type: DECT
General Info:
Model: DP755
Box Contents:
DP755 Base Unit
Universal Power Supply
Ethernet cable
Quick Start Guide
GPL statement
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)
Outdoor Range: up to 400 meters (DP730) or up to 350 meters (DP722/DP720)
Indoor Range: up to 50 meters
Peripherals 3 LED indicators:
Power, Network, DECT pairing/Paging button
One 10/<br>100 Mbps auto-sensing Ethernet port with integrated PoE
More product details
The Grandstream DP755 is the central component of a scalable DECT system, designed for businesses that need reliable cordless voice coverage across a floor, office, or light industrial space. It is a good fit for environments where running Ethernet to every desk is impractical but high-quality voice mobility is required, such as retail floors, warehouses, or open-plan offices. This base station pairs with Grandstream’s DECT handsets to create a wireless voice network that can support up to 20 SIP accounts, making it suitable for small to medium-sized teams that need to move around while staying connected.
When combined with Grandstream’s UCM series of IP PBXs, the DP755 supports zero-configuration provisioning, which simplifies deployment for a multi-handset system. For businesses using other platforms, it still offers automated provisioning via TR-069 or XML configuration files. This flexibility means it can slot into an existing VoIP setup without requiring a full ecosystem change, though the richest experience is naturally within the Grandstream environment.
A practical consideration is the coverage range. With an indoor range of up to 50 meters from the base station, a single DP755 will cover a modest office. For larger or multi-floor spaces, planning for multiple base stations and handoff between them is essential. The device uses a single 10/100 Mbps Ethernet port with PoE support, so it can be placed for optimal RF coverage without needing a local power outlet, provided your network switch can power it.
For a Canadian business, the DP755 operates in the 1920–1930 MHz DECT band, which is the standard for North America. This avoids the interference issues that can plague Wi-Fi-based cordless phones in dense urban environments like a downtown Toronto office tower. It is a straightforward, carrier-grade base station that prioritizes call security and audio clarity, but it is not a Wi-Fi access point and won’t serve data needs. If your team is already using Grandstream handsets or you’re building a new DECT system from scratch, this is a solid foundation.
When combined with Grandstream’s UCM series of IP PBXs, the DP755 supports zero-configuration provisioning, which simplifies deployment for a multi-handset system. For businesses using other platforms, it still offers automated provisioning via TR-069 or XML configuration files. This flexibility means it can slot into an existing VoIP setup without requiring a full ecosystem change, though the richest experience is naturally within the Grandstream environment.
A practical consideration is the coverage range. With an indoor range of up to 50 meters from the base station, a single DP755 will cover a modest office. For larger or multi-floor spaces, planning for multiple base stations and handoff between them is essential. The device uses a single 10/100 Mbps Ethernet port with PoE support, so it can be placed for optimal RF coverage without needing a local power outlet, provided your network switch can power it.
For a Canadian business, the DP755 operates in the 1920–1930 MHz DECT band, which is the standard for North America. This avoids the interference issues that can plague Wi-Fi-based cordless phones in dense urban environments like a downtown Toronto office tower. It is a straightforward, carrier-grade base station that prioritizes call security and audio clarity, but it is not a Wi-Fi access point and won’t serve data needs. If your team is already using Grandstream handsets or you’re building a new DECT system from scratch, this is a solid foundation.