Grandstream UCM6304A IP PBX Appliance (Audio Series)


Condition:     New (Factory Sealed)
Manufacturer:     Warranty: 3 Year
Refund Policy:     30 Days Return & Refund


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24 - 72 Hours Estimated delivery

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     +1 415-849-0434



The Grandstream UCM6304A is an advanced IP PBX Appliance from the Audio Series, designed to deliver powerful and reliable communication solutions for businesses. With cutting-edge features and a robust platform, this appliance serves as the heart of unified communication systems. It supports up to 4 FXO (Foreign Exchange Office) ports for connecting to traditional phone lines and 4 FXS (Foreign Exchange Station) ports for analog devices, ensuring seamless integration with various communication endpoints.

The UCM6304A is equipped with an intuitive web-based interface for easy configuration and management, making it an ideal choice for small to medium-sized businesses seeking a comprehensive and scalable communication solution.


  • Ports:
    • 4 FXO ports for connecting to traditional phone lines (PSTN)
    • 4 FXS ports for connecting analog phones or fax machines
  • Voice Codecs: G.711μ/a, G.723, G.726-32, G.729A/B, iLBC, and more
  • Telephony Features: Call waiting, call transfer, call forward, 3-way conferencing, auto-attendant, and more
  • Networking: Dual Gigabit Ethernet ports with integrated PoE (Power over Ethernet)
  • Protocol Support: SIP (Session Initiation Protocol), TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TFTP, NTP, and more
  • Security: TLS and SRTP encryption, HTTPS secure provisioning, and secure and automated provisioning using TR-069 or AES encrypted XML configuration file
  • Management: Web-based user interface for easy configuration and management
  • QoS: Quality of Service support for enhanced voice and data performance
  • Compatibility: Interoperable with a wide range of SIP-based devices and platforms
  • Dimensions (H x W x D): 1.10″ x 7.68″ x 5.12″
  • Weight: 0.77 lbs