The Grandstream UCM6304 IP PBX is part of the UCM6300 series of IP PBXs that allows businesses of all sizes to build powerful and scalable unified communication solutions in an easy-to-manage fashion with no licensing fees. This enterprise-grade IP PBX allows businesses to unify all of their communication technologies on to one centralized network, including voice, video calling, video conferencing, video surveillance, data tools, analytics, mobility options, facility access, intercom and more. The UCM6300 series can be integrated with third party applications and platforms, including customer relationship management (CRM) and property management systems (PMS), and offers an API for additional custom integrations. For cloud-based setup, management and monitoring, the UCM6300 series is compatible with the Grandstream Device Management System (GDMS).

You may also check all the Grandstream IP Phone models we have at The Telecomshop.

Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.

This item comes with 24-month manufacturer's warranty.

• 4 FXO
• 4 FXS
• 2500 Users

• Analog Telephone FXS Ports: 4 RJ11 Ports
• PSTN Line FXO Ports: 4 RJ11 Ports
• Network Interfaces: Three self-adaptive Gigabit ports (switched, routed or dual card mode) with PoE+
• NAT Router: Yes (supports router mode and switch mode)
• Peripheral Ports: 1*USB 2.0, 1*USB 3.0, 1*SD card interface
• LCD Display: 320x240 color LCD with touch screen for Shortcut Keys and Scroll Bar
• Voice and Fax Codecs: Opus, G.711 A-law/U-law, G.722, G722.1 G722.1C, G.723.1 5.3K/6.3K, G.726-32, G.729A/B, iLBC, GSM; T.38
• Video Codecs: H.264, H.263, H263+, H.265, VP8
• QoS: Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
• API : Full API available for third-party platform and application integration
• Telephony Operating System: Based on Asterisk version 16
• DTMF Methods: In-band audio, RFC2833, and SIP INFO
• Network Protocols: TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay (pending), IPv6, OpenVPN®
• Disconnect Methods: Busy/Congestion/Howl Tone, Polarity Reversal, Hook Flash Timing, Loop Current Disconnect
• Media Encryption: SRTP, TLS, HTTPS, SSH, 802.1X
• Maximum Call Capacity: Users: 2000, Concurrent calls: 300 and Max concurrent SRTP calls: 200

• Grandstream IP PBX 4 FXO 4 FXS 2500 Users UCM6304
• User Guide

Do you have a question about this product? Please call 1800 90 90 99.