General
DECT standard	supported
Compatibility	Grandstream DP750 DECT base station, SIP-based VoIP systems
Maximum number of handsets	5
Simultaneous calls	5
Range outdoors	300 Metres
Indoor range	50 Metres
Audio quality	HD-Audio
Battery	1500mAh Lithium-ion
Talk time	12 Hours
Standby time	100 Hours
Display	2.4-inch colour LCD
Installation	Zero-Config

The Grandstream DP755 is a DECT IP-phone, designed for use in business environments. It enables mobile and reliable communication over VoIP networks and works with the Grandstream DP750 DECT base station. The device is particularly suitable for small and medium-sized enterprises that require flexible and stable voice communication via wireless connections.

Applications
The DP755 is suitable for mobile communication within offices, production halls, warehouses, or outdoor areas. The wireless connection via the DECT standard ensures a stable and secure connection, suitable for professional applications. The maximum range is up to 300 meters outdoors and 50 meters indoors, although the actual range depends on the environment. Use in indoor spaces with multiple walls or metallic structures may reduce the range.

Features and Equipment in Detail
The device features a 2.4-inch colour LCD display, providing a clear and user-friendly interface. Voice quality is ensured by HD audio, enabling crystal-clear voice transmission. Communication takes place over SIP-based VoIP systems, allowing integration into existing IP telephone systems. The DP755 supports up to 5 simultaneous calls and can operate with up to 5 registered handsets in a network. Setup is done via Zero-Config, enabling easy installation and management.

Technology Explained Simply
The DECT standard ensures a wireless connection with low latency and high signal quality. The connection between the handset and the base station is encrypted, enhancing communication security. The device uses a 1500mAh lithium-ion battery, enabling up to 12 hours of talk time and up to 100 hours of standby time. Battery life may vary depending on usage patterns.

Compatibility and Accessories
The DP755 is fully compatible with the Grandstream DP750 DECT base station and can be used in SIP-based VoIP systems. It is part of a DECT network that can connect multiple handsets and base stations. The maximum number of registered handsets per base station is 5, with support for up to 5 simultaneous calls. The connection is made via the DECT protocol, developed for stable and secure wireless communication in business environments.

Installation and Mounting
Installation of the DP755 is performed using the Zero-Config function, enabling automatic configuration. The handset is registered via the base station and can then be used within the coverage area. Setup requires no manual entry of IP addresses or network settings.

Operational Advantages
The DP755 offers a reliable and mobile communication solution with high voice quality. The combination of DECT technology and SIP support enables flexible integration into existing IT infrastructures. The long battery life and easy installation reduce maintenance effort. Use in both indoor and outdoor environments is possible, although range depends on the environment. Support for up to 5 simultaneous calls makes the device suitable for small teams.