Grandstream GAC2500 Business Conference Phone Ghana


Grandstream GAC2500 Business Conference Phone Ghana

The Grandstream GAC2500 Business Conference Phone Ghana features a 4.3″ capacitive touch screen, Gigabit Ethernet speed, integrated PoE and Bluetooth, 7-way conferencing, and also daisy chain support. This conference until also delivers HD quality audio and also contains automated provisioning to ensure an easy deployment. The GAC2500  Ghana also runs Android 4.4, with full access to the Google Play Store; allowing for the use of almost any applicable application, including custom. This unit also offers Wi-Fi support, built-in Bluetooth and also advanced security protection, allowing for privacy and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms.


Grandstream GAC2500 Business Conference Phone Ghana

The Grandstream GAC2500 is a PoE- enabled business conference phone in Ghana that runs on the Android operating system. It combines flexibility, efficiency, and mobility, therefore enhancing communication in various workplaces. It is designed to support 6 SIP accounts and lines and delivers unlimited access to Google Play Store and applications such as Skype, Google Hangouts, and many others. Grandstream GAC2500 Ghana is packed with many advanced features including a built-in Bluetooth connectivity for audio pairing and data syncing with mobile devices, Wi-Fi connectivity which allows for wireless calling/conferencing from any remote location. A 7-way conference bridge allows the Grandstream GAC2500 to easily create and hold a conference at any time and the 4.3” touch screen with a familiar Android interface offers easy use. This IP Conference Phone also offers daisy chain support. By combining all of these features, the Grandstream GAC2500 offers a foundation that gives any business the choice and flexibility to customize their conference phone based on their communication needs.

Grandstream GAC2500 Conference Key Features:

  • Runs Android 4.4
  • Gigabit Ethernet
  • Built-in Bluetooth
  • PoE Support
  • Wi-Fi Support
  • Up to 6 SIP Accounts
  • 7 Way Conferencing
  • HD Audio
  • 3″ 800×480 Capacitive Touch Screen
  • TLS and SRTP Security Encryption Technology to Protect Calls and Accounts
  • Multi-Platform Compatibility
    • The Grandstream GAC2500 Audio Conferencing System supports a number of applications such as Google Hangouts, Web browser, Facebook, Twitter, YouTube, Google calendar, etc. It also allows for mobile phone data import and export via Bluetooth, etc. An API/SDK is available for advanced custom application development.
  • HD Audio
    • The Grandstream GAC2500 Conference Phone comes with an integrated speakerphone that supports wideband audio. The speakerphones use a number of advanced noise suppression technologies such as Acoustic Echo Cancellation(AEC) and Voice Activity Detection(VAD) To deliver crystal clear audio during the conference. The speakerphone also has 3 cardioid microphones whose voice pickup range spans up to 12ft. Every conference participant can therefore clearly hear and be heard.
  • Clear Graphic Display
    • The Grandstream GAC2500 Ghana is equipped with a 3” IPS LCD with 800×480 resolution which offers its user an enhanced visual clarity as well as quick access to details.
  • Multi-Language User Interface
    • The Grandstream GAC2500 audio conferencing endpoint is configured to support a number of different languages including English, German, Italian, French, Spanish, Portuguese, Russian, Turkish, Polish, Chinese, Korean, Japanese, and more.
  • Built-In Bluetooth Connectivity
    • The Grandstream GAC2500 Audio Conferencing System uses integrated Bluetooth 4.0 + EDR to connect with Bluetooth speakers/ microphones, headsets, and keyboards so as to facilitate smooth data exchange.
  • Wi-Fi Connectivity
    • The Grandstream GAC2500 Audio Conferencing System comes with a built-in dual-band Wi-Fi 802.11 a/b/g/n/ac which provides a fast network signal for smooth audio conference calls over the internet at speeds of 2.4GHz and 5GHz.
  • Supports Power over Ethernet
    • Grandstream GAC2500 Conference Phone is equipped with an Auto–sensing Gigabit Ethernet port with integrated Power over Ethernet(PoE) – (IEEE 802.3at Class4). It is therefore a highly economical device that consumes low power energy. It has a Universal Power Supply of Input:100-240VAC 50-60Hz; and Output:12VDC,2A (24W), proving to be a Power and Green Energy Efficient device.

Why the Grandstream GAC2500 Conference Phone?

  • 6 lines, 6 sip accounts, 7-way voice conferencing, and built-in 7-way conference bridge
  • Runs Android 4.4 and offers full access to the Google Play Store and all android apps, such as Skype, Google Hangouts and more
  • Bluetooth to support syncing of headsets and mobile devices and a 4.3″ (800 x 480) capacitive touch screen for easy use
  • Auto-sensing Gigabit port, built-in PoE support, built-in Wi-Fi support offers mobility and network flexibility.  

Grandstream GAC2500  – Technical Specifications


  • SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPV6 (pending), OpenVPN (pending)

Network Interface

  • Auto-sensing Gigabit Ethernet port with integrated PoE+ (IEEE 802.3at Class4)

Graphic Display

  • 3” IPS LCD with 800×480 resolution Mic 3 cardioid microphones; 12 ft. pickup distance Speakerphone Frequency: 220-18,000 Hz Volume: Up to 86 dB at 0.5 meter Audio full duplex


  • Yes, integrated. Bluetooth 4.0


  • Yes, integrated
  • 11 b/g/n

Auxiliary Ports

  • 5mm audio port
  • USB Micro-B
  • RJ48 daisy chain port

Voice Codecs Support

  • for G.711µ/a, G.722, G.726, iLBC, Opus, G.722.1 and G.722.1c (pending), in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), G.729A/B, VAD, CNG, AEC, PLC, AJB, AGC

Telephony Features

  • 6 SIP accounts
  • hold, transfer, forward
  • 7-way conference
  • call park, call pickup
  • downloadable phonebook (XML, LDAP, up to 2000 items)
  • call waiting
  • call log (up to 2000 records)
  • XML customization of screen
  • auto-answer
  • click-to-dial
  • flexible dial plan
  • hot desking
  • personalized music ringtones and music on hold
  • server redundancy and fail-over

Sample Applications

  • Skype
  • Google Hangouts
  • Skype for Business (Lync)
  • Web browser
  • Adobe Flash
  • Facebook
  • Twitter
  • YouTube
  • Google calendar
  • mobile phone data import/export via Bluetooth
  • API/SDK available for advanced custom application development

HD Audio

Yes, speakerphone with support for wideband audio


  • Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS.


  • User and administrator level passwords
  • MD5 and MD5-sess based authentication
  • 256-bit AES encrypted configuration file
  • TLS
  • SRTP
  • 1x media access control


  • English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more


  • Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload
  • mass provisioning using TR-069 or AES encrypted XML configuration file

Power & Green Energy Efficiency

  • Universal Power Supply:Input:100-240VAC 50-60Hz; Output:12VDC,2A (24W)


  • Unit dimension:280mm(W) x 285mm(L) x 60mm(H) Unit weight:1.34kg; Package weight: 2.35kg

Temperature and Humidity

  • Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% Non-condensing

Package Content

  • GAC2500 phone
  • universal power supply
  • network cable
  • USB cable
  • RJ48 cascade cable
  • Quick Installation Guide


  • FCC: Part 15 (CFR 47) Class B; UL 60950 (power adapter) CE : EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, EN62479, RoHS RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950; AS/NZS 4268

Datasheet Download