Grandstream GXP1625 IP Phone 2 SIP Lines HD Audio PoE for Small Business
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Grandstream GXP1625
- Brand: Grandstream
- Model: GXP1625
- Display: 132 x 48 pixel backlit graphical LCD (2.95")
- SIP Accounts: 2
- Line Keys: 2 with dual-color LEDs
- Ethernet Ports: 2x 10/100 Mbps RJ45 (dual-switched)
- PoE: Yes (IEEE 802.3af Class 2)
- Audio: HD audio on handset and full-duplex speakerphone
- Headset Support: RJ9 port with EHS support for Plantronics headsets
- Soft Keys: 3 XML programmable context-sensitive soft keys
- Phonebook Capacity: Up to 1000 contacts
- Call History: Up to 200 records
- Telephony Features: Call hold, transfer, forward, 3-way conferencing, call waiting, call park/pickup, downloadable phonebook (XML, LDAP), hot desking, personalized ringtones
- Security: TLS, SRTP, 802.1x, MD5/MD5-sess authentication, AES encrypted config file
- Provisioning: TR-069, encrypted XML config, Grandstream UCM Zero Config
- Mounting Options: Desk or wall mountable
- Power Method: PoE or 5V/0.6A universal power supply (included)
- Max Power Consumption: 3.84W – 6.49W
- Dimensions: 209 mm (L) x 184.5 mm (W) x 76.2 mm (H)
- Weight: 0.73 kg (unit), 1.1 kg (with packaging)
- Operating Temperature: 0°C to 40°C
- Storage Temperature: -10°C to 60°C
- Humidity: 10% to 90% non-condensing
- Certifications: FCC, CE, RCM
Grandstream GXP1620/1625
The Grandstream GXP1620/1625 is a feature-rich Basic IP phone designed to meet the essential communication needs of small to mid-sized businesses, remote offices, and enterprise environments requiring reliable voice solutions. Engineered for users with light to medium call volume, it offers a perfect balance of performance, functionality, and ease of use.
This model supports 2 SIP accounts and 2 line keys, allowing users to manage multiple calls simultaneously with clarity and confidence. Equipped with HD audio on both the speakerphone and the handset, it delivers exceptional voice quality and reduces background noise, ensuring every conversation is crisp and clear. The GXP1625 variant includes integrated Power over Ethernet (PoE), enabling simplified network setup and reducing cable clutter by delivering both data and power over a single Ethernet line.
For enhanced productivity, the phone includes 3-way audio conferencing, 3 XML programmable soft keys, and Electronic Hook Switch (EHS) support for seamless integration with Plantronics headsets. Users can store up to 1000 contacts and view a call history of up to 200 records, enabling efficient call tracking and management.
The GXP1620/1625 is also built with robust security in mind, featuring TLS and SRTP encryption protocols to protect call privacy and prevent unauthorized access. For IT teams and administrators, provisioning is made effortless through support for TR-069, encrypted XML config files, and Zero Configuration with Grandstream’s UCM series IP PBXs, enabling large-scale deployments with minimal manual setup.
With dual 10/100 Mbps Ethernet ports, wall-mounting capabilities, a 2.95” backlit graphical display, and support for multiple languages, the GXP1620/1625 is a smart, flexible, and scalable communication device that adapts to different office layouts and user preferences. Whether for desk workers, support agents, or back-office staff, it offers the right mix of simplicity and power.
The GXP1620/1625 is part of Grandstream’s long-standing tradition of delivering high-performance VoIP solutions that are secure, dependable, and ready for modern unified communications.

