Grandstream UCM6308A 8 FXO, 8 FXS, Audio Only IP PBX


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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The Grandstream UCM6308A is an advanced Audio-Only IP PBX designed for businesses requiring a comprehensive communication solution. With a powerful combination of 8 FXO (trunk) and 8 FXS (extension) ports, it seamlessly integrates traditional analog telephony with modern IP communication.

This IP PBX offers rich telephony features, robust security protocols, and scalable options, making it an ideal choice for businesses of various sizes. The UCM6308A ensures high-quality audio and reliable connectivity, providing businesses with a reliable platform for unified communications.


  • FXO Ports: 8 FXO (RJ11) ports for connecting to the PSTN or analog trunks
  • FXS Ports: 8 FXS (RJ11) ports for connecting analog phones, fax machines, or other devices
  • Audio Only: Designed specifically for audio communications, making it suitable for voice-focused applications
  • Voice Codecs: Supports a range of voice codecs, including G.711, G.722, G.726, G.729A/B, and more
  • Telephony Features: Call routing, auto-attendant, call forwarding, call waiting, 3-way conferencing, voicemail, and more
  • Network Interfaces: Dual auto-sensing Gigabit Ethernet ports (RJ45) for high-speed data connectivity
  • Protocol Support: SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TFTP, and more
  • Security: TLS and SRTP encryption, secure and automated provisioning options, support for HTTPS, and 802.1x for media access control
  • Management: Web-based configuration, automated provisioning options (TR-069, HTTP/HTTPS, TFTP), remote firmware upgrade, and Syslog support
  • Scalability: Allows for easy expansion by adding more FXO or FXS ports to accommodate growing business needs
  • Mounting: Rack-mountable (1U)
  • Power Supply: Output: 12VDC, 2A; Input: 100-240VAC, 50-60Hz
  • Dimensions (H x W x D): 1.75″ x 17.25″ x 11.3″
  • Weight: 6.4 lbs