Zycoo IP Telephony-CooVox U50 IPPBX

Grandstream DP725 is a DECT HD handset supporting up to 20 SIP lines, with 400m outdoor range (via DP755), 50-hour talk time, secure DECT encryption, and advanced VoIP features for professional mobility.

• Grandstream GRP2601W is a 2-line IP phone with built-in 2.4GHz Wi-Fi, 5-way conferencing, AI-powered noise reduction, and support for headset integration. Ideal for wireless deployments and easy remote management via GDMS.

The Grandstream GHP621 is a compact IP phone designed for hotel rooms and similar environments, featuring 2 SIP lines, PoE support, speed dial keys, a customizable faceplate, and easy remote management via GDMS.