Grandstream Audio IP PBX Telephone Exchange

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Brand: Grandstream

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The Grandstream UCM6302A is an audio-focused IP PBX appliance designed for small-to-medium businesses, supporting up to 500 users, 75 concurrent calls, and 75 concurrent SRTP calls. It features 2 FXS ports, 2 FXO ports, and 3 Gigabit network ports with PoE+, featuring a 320x240 color LCD with a touch screen.

Key Specifications & Features

Capacity: Supports up to 500 users and 75 concurrent calls.

Interfaces: 2x FXS (analog phone) ports, 2x FXO (PSTN trunk) ports.

Network: 3x Gigabit ports (switched, routed, or dual mode) with PoE+.

Conferencing: Supports up to 5 meeting rooms and up to 75 participants.

Audio Codecs: Full-band Opus, G.711 A-law/U-law, G.722, G722.1, G723.1, G.726, G.729A/B, iLBC, GSM; T.38 fax.

Security: SRTP, TLS, HTTPS, SSH, 802.1X, and secure boot.

Peripherals: 1x USB 2.0, 1x USB 3.0, 1x SD card slot.

Management: Supports GDMS for cloud setup, management, and monitoring.

Dimensions: 270mm x 175mm x 36mm (Weight: 725g)

Core Functionality

Unified Communications: Built-in instant messaging (IM), voice conferencing, and web meeting platform, compatible with the Wave app for desktop/mobile.

Call Handling: 5-layer customizable Interactive Voice Response (IVR) in multiple languages, automatic call distribution (ACD).

Reliability: Supports Hot Standby High Availability (HA) for failover.

Voice Quality: Features Acoustic Echo Canceling (LEC), adaptive jitter buffer, and voice activity detection.

The UCM6302A is part of the UCM6300 Audio Series and operates on an Asterisk-based operating system.