GS-UCM6308 IP PBX 8FXO, 8FXS Appliance by Grandstream


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 GS-UCM6308 is an IP PBX appliance designed for small to medium-sized businesses, offering a comprehensive and cost-effective solution for unified communication. With a built-in capacity of 8 FXO and 8 FXS ports, it seamlessly integrates traditional analog and IP telephony, providing a versatile platform for voice communication.

The device supports advanced telephony features, including call routing, conferencing, voicemail, and more. The GS-UCM6308 is scalable, allowing businesses to expand their communication infrastructure as needed.


  • Ports: 8 FXO (RJ11) and 8 FXS (RJ11)
  • Concurrent Calls: Up to 30 (SIP), Up to 3 (FXO), Up to 3 (FXS)
  • Voice Codecs: G.711(a/u-law), G.722, G.726, G.729 A/B, iLBC, Opus, and more
  • Network Interfaces: 2 10/100/1000 Mbps Gigabit Ethernet ports
  • USB Port: 1 USB 2.0
  • Protocol Support: SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), and more
  • Security: TLS and SRTP encryption, HTTPS provisioning, secure and automated provisioning using TR-069
  • Power Supply: Output: 12VDC, 1.5A; Input: 100-240VAC, 50-60Hz
  • Dimensions (H x W x D): 1.65″ x 11.02″ x 6.69″
  • Weight: 2.16 lbs
  • Mounting: Desktop or wall mountable