Grandstream GAC2500 PoE+ Android Conference Phone

The Grandstream GAC2500 is a PoE+ powered Android conference phone built for meeting rooms that need dependable group-call audio without the cost of a full boardroom touchscreen unit. It sits in the Grandstream conference-phone range as the balanced choice: a wired Gigabit Ethernet connection with PoE+ removes the need for a separate power brick where the network drop supports it, while a 4.3-inch IPS LCD keeps the on-screen call controls legible from across a standard table. Running Android 4.4, the phone hosts a familiar touch interface for placing calls, managing contacts and joining conference sessions, and it supports up to 6 SIP accounts so one unit can register lines from more than one extension or department. Three cardioid microphones with 360-degree pickup and a 12-foot capture radius are tuned for round or rectangular tables seating a small working group, and the phone can host up to 7 parties in a single conference session — enough for a typical department stand-up or a client call with two or three people in the room. For a facilities or IT manager comparing conference phones for a mid-size meeting room, the GAC2500 is the unit to specify when Gigabit wired connectivity is already run to the room and the requirement is clear, even audio rather than a full collaboration display.

What the Grandstream GAC2500 Does in Practice

Inside a call, the GAC2500’s three cardioid microphones cover the 220 Hz to 18,000 Hz speakerphone frequency range, wide enough to carry both the low end of a deeper voice and the sibilance of consonants that make speech intelligible over a loudspeaker. Output reaches 86 dB measured at 0.5 metres, loud enough to fill a closed meeting room without needing to lean toward the unit to be heard. The audio codec list includes G.722 and G.722.1 wideband codecs alongside G.711, G.726, iLBC, Opus and G.729A/B, which means the phone can negotiate HD voice with a compatible PBX or softphone on one call and fall back cleanly to narrowband on a PSTN-bridged call without a firmware change. Network connectivity is a single auto-sensing Gigabit Ethernet port with PoE+, so in a room with a PoE+-capable switch the GAC2500 needs only one cable for both power and data; where PoE is not available, the bundled universal power supply covers the 100-240VAC input and delivers 12VDC at 2A. Built-in 802.11 b/g/n Wi-Fi and Bluetooth 4.0 add a fallback network path and hands-free pairing with a mobile handset for personal calls routed through the room unit. TLS and SRTP encryption protect signalling and media on networks where that is a requirement for the calls passing through the room.

Where It Fits in Saudi Meeting Rooms and Offices

In a Saudi corporate office, the GAC2500 suits the mid-size meeting rooms that make up most of a floor plan — the rooms used for weekly team calls, supplier check-ins and internal reviews rather than executive-level video conferencing. Government and semi-government offices running structured cabling with PoE+ switches at the edge can deploy the GAC2500 room by room without adding a separate power run, which shortens the installation for IT teams working through a multi-floor rollout. In hospitality, a hotel’s conference and banqueting spaces used for corporate bookings benefit from a phone that can register 6 SIP accounts, letting a single unit be shared or reassigned between event rooms as bookings change without re-provisioning a new device each time. Healthcare administration offices and training centres that hold small group discussions over voice, without a video requirement, get clear group-call audio from the cardioid microphone array without paying for touchscreen video hardware they will not use. Because the unit runs on standard Ethernet and PoE+, it also fits environments where Wi-Fi coverage inside a meeting room is inconsistent — the wired connection is the primary path, with Wi-Fi available as a backup rather than the only option.

Positioning Inside the Grandstream Conference-Phone Family

Within the Grandstream lineup, the GAC2500 is the fixed, wired-first conference phone: it is built around a fixed IPS display rather than a portable touchscreen, and its microphone array is sized for a single small-to-mid room rather than a space that needs an extension microphone. A team that needs more simultaneous parties on a call, a touch-driven interface for managing an active conference, or the option to move the unit between rooms without rewiring should look to the more capable model in the same family, the GAC2570, which is built around a larger touchscreen and adds Wi-Fi 6 and battery operation. For a room where the phone stays fixed at one table, is powered from the network, and the group size stays modest, the GAC2500 is the more cost-effective specification of the two.

Deployment Notes

The GAC2500 ships with a universal power supply, network cable, USB cable, RJ48 cascade cable and a quick installation guide, covering both PoE+ and non-PoE deployments out of the box. The RJ48 cascade cable is worth noting for larger rooms: it allows an additional unit to be cascaded for extended microphone coverage without a separate expansion accessory. At 1.34 kg and 280 x 285 x 60 mm, the phone sits flat and centred on a standard conference table without needing a wall or ceiling mount. Rated for 0-40 degrees C operation and 10-90% non-condensing humidity, it is suited to normally air-conditioned office environments rather than unconditioned spaces, and the -10 to 60 degrees C storage range gives installers margin for stock sitting in a warehouse before deployment.

Package Contents

• GAC2500 phone
• Universal power supply
• Network cable
• USB cable
• RJ48 cascade cable
• Quick Installation Guide