The DP735 is a ruggedized DECT cordless IP phone that allows users to mobilize their VoIP network throughout any business, warehouse, retail store and residential environment. It is supported by Grandstream’s DP750, DP752 and DP755 DECT VoIP base stations and delivers a combination of mobility and top-notch telephony performance.



The DP735 provides up to 50 meters of indoor range to cover
any office, store, and home.
Pair the DP735 with our DP755 DECT Base Station to experience up to 400m range
outdoors, ideal for stadiums, campuses, and more.
IP-67 rated waterproof and dustproof protection allows the DP735 to thrive in any
environment, no matter the conditions.
The DP735 provides ruggedized durability with a drop-safe rating of 2.5 meters.
By providing 65 hours talk time and 650 hours standby time from one charge, the
DP735 is always ready when you need it.
With antimicrobial casing, the DP735 kills 99% of harmful microbes to ensure the health
and safety of users and everyone in their environment.
With just a 10-minute charge, the DP735 provides up to 4 hours of talk time.
GDMS provides a FREE centralized interface to provision, manage, monitor and troubleshoot Grandstream products, including device management, account management, device configuration, firmware upgrades, device monitoring, intelligent alarm, and statistical analysis, individually or in batches of devices by site, group and model. This powerful cloud management platform adds robust security features to protect enterprise networks, including bank-grade TLS encryption from end-to-end, two-factor login authentication to protect your data security, two-way certificate verification and encryption of all device information. By offering a centralized, secure and zero-touch management for Grandstream endpoints, GDMS is ideal for enterprises, service providers and multi-site businesses as it allows them to easily deploy and manage large networks of Grandstream solutions. Visit gdms.cloud to sign up for free today!
Android and iOS mobile users can access the GDMS mobile app from any device by downloading for free through the app store, or get it on google play
| Range | Outdoor Range: 400 meters (DP755); Indoor Range: 50 meters |
| Display | 2.4 inch (240×320) color TFT LCD |
| Voice Codecs | G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station), AEC, AGC, Ambient noise reduction on handset mic, advanced noise suppression for incoming audio |
| Multi-Line Access | Each handset may access up to 20 lines |
| SIP Accounts | Each handset may access up to 20 SIP accounts |
| Device Management | Yes, GDMS |
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