Grandstream

• Dual-band WiFi with efficient antenna design and advanced roaming support
• Bluetooth for syncing headsets and mobile devices (contacts and call transferring)
• HD voice & dual MIC design with AEC and Noise Shield Technology
• Rechargeable 1500mAh battery, 7.5 hour talk time, 150-hour standby
• Accelerometer and configurable button for push-to-talk, panic and other related functions
• Micro USB port and 3.5mm headset jack
• 2 SIP accounts, 2 lines
• Supports custom Android apps that fit the phone’s screen/keys

• UCM6301 support up to 500 users
• 75 concurrent calls.
• Zero Configuration.
• Built-in Call Detail Records.
• Origin USA

UCM6208 supports up to 800 users and 100 concurrent calls

UCM6510 IP PBX provides leading edge voice, video, data, and mobility features to enterprises, small and medium businesses, retail and residential environments. This enterprise-grade on premise IP PBX supports E1, T1 and J1 networks and offers scalability by supporting up to 2000 users.

• • Supports up to 2000 users and 200 SIP trunk accounts, up to 200 concurrent calls and up to 64 conference attendees
  • 1GHz quad-core Cortex A9 processor
  • 1GB DDR3 Ram, 32GB Flash
  • 1 Integrated T1/E1/J1 interface, 2PSTN trunk FXO ports, 2 analog telephone/Fax FXS ports with lifeline capability
  • Gigabit network ports with Integrates PoE, USB, SD card, integrated NAT router
  • Comprehensive security protection using SRTP, TLS and HTTPS with hardware encryption accelerator
  • Quickly setup and provision Grandstream endpoints using the Auto-Discovery and Zero Config feature within the product’s web user interface