Grandstream GAC2500 Audio Conferencing IP phone
5 Based on
4 ratings.
07/11/2025
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£ 261.40
Availability: Limited Availability. Call for Details.
Key Features
Runs android 4.4
Supports 6 SIP accounts
7-way voice conferencing
Pricing
Volume Price Discounts
No volume pricing discounts available
Shipping
Shipping Options
Shipping costs are calculated based on weight and destination during checkout. For next day delivery our cut off is 16:00.
Support
Product install/setup
Downloads
Documents & Manuals
SKU:GAC2500
Available Options:
Available Product Options:
Compatible Headsets:
Not Required JPL Connect-1 monaural headset and disconnect cord (+£65.20) JPLConnect-2 binaural headset and disconnect cord (+£76.25)
Compatible Wireless Headsets:
Not Required Jabra Pro 920 Mono DECT Wireless Headset (+£119.80) Plantronics CS540 EHS Wireless headset (+£190.06) Plantronics CS520 Binaural wireless EHS headset (+£235.89) Jabra GN1000 headset lifter (+£18.00)
Need Product Setup / Training / Support?:
Not Required Required - 30 minutes (+£40.00) Required - 1 Hour (+£65.00)
Product Details
Specification
Reviews
White Papers / Case Studies
Questions
Grandstream GAC2500 Audio Conferencing IP phone
The Grandstream GAC2500 is the ideal conference room solution as it delivers superb audio quality to all participants throughout conference rooms, board rooms and offices. It features support for 6 lines with up to 6 SIP accounts, a 4.3” capacitive touch screen, Gigabit Ethernet speeds, 7-way voice conferencing and daisy chain support.
Grandstream GAC2500 Key Features
6 lines, 6 SIP accounts, 7-way voice conferencing
Bluetooth to support syncing of headsets and mobile devices
4.3" (800 x 480) capacitive touch screen
Auto-sensing Gigabit port, built-in PoE support
Full HD audio support to maximise calling quality
The Android-based GAC2500 offers full access to all apps within the Google Play Store, including popular apps such as Skype and Google Hangouts. It delivers HD audio quality, automated provisioning for easy deployment, advanced security protection for privacy and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms.
Grandstream GAC2500 Technical Specification
Protocols/Standards
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
4.3” IPS LCD with 800 x 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
Bluetooth
Yes, integrated. Bluetooth 4.0
Wi-Fi
Yes, integrated. 802.11 b/g/n
Auxiliary Ports
3.5mm 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 500 records)
XML customisation of screen
Auto answer
Click-to-dial
Flexible dial plan
Hot desking
Personalised music ringtones and music on hold
Server redundancy
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, etc. API/SDK available for advanced custom application development
HD Audio
HD speakerphone with support for wideband audio
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more
Upgrade/Provisioning
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)
Physical
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
Compliance
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
