UCM6302

Here’s a detailed and up-to-date overview of the Grandstream UCM6302 IP PBX:

    Core Specs & Capacity

• Supports up to 1,000 users and 150 simultaneous calls (100 if all calls use SRTP encryption) 

• Conference bridges:

  • Audio: up to 150 participants

  • Video: up to 3 rooms with up to 20 attendees at 1080p 

   Hardware & Ports

• Analog Interfaces:

  • 2× FXO ports for PSTN lines

  • 2× FXS ports for phones/faxes (with lifeline support) 

• Network: 3× Gigabit Ethernet ports with integrated PoE+ (supports switch, router, or dual mode) 

• Storage & Expansion:

  • 1× USB-A 2.0 and 1× USB-A 3.0

  • 1× SD card slot for recording/storage 

• Display: Front 320×240 color LCD touchscreen with navigation keys 

   Unified Communications

• Zero‑config provisioning for Grandstream SIP devices.

• Built-in features at no cost:

  • Audio/video conferencing

  • Auto attendant, IVR, call queues, call recording, messaging, fax-to-email, CDR 

• Wave app compatible for desktop/mobile voice and messaging 

• Wide codec support: Opus, G.711, G.722, G.729, T.38 fax, etc. .

   Security & Networking

• Secure boot, unique certificates, SRTP, TLS, HTTPS.

• Built-in NAT/router/firewall with automated traversal and cloud provisioning via GDMS 

• High‑availability (HA) support for failover setups .