Grandstream GXP1625 Basic IP Phone | 2 Lines, PoE & HD Audio

Grandstream GXP1625: Reliable Basic IP Phone for Small Business

The Grandstream GXP1625 is a standard Basic IP desktop phone that keeps workers in‑touch and productive. It delivers a suite of powerful VoIP features in an easy‑to‑use fashion, with a modern design. This Linux‑based model is perfect for small businesses where 2‑line IP communication is an added benefit—including 3‑way conferencing to achieve maximum productivity across departments.

Key Features & Specifications

• 2 SIP Accounts & 2 Line Keys – Each user can manage up to 2 separate SIP accounts and handle up to 2 call appearances, making the phone versatile for light to medium call volumes.

• 3‑Way Audio Conferencing – Easily add a third participant to a conversation without needing an external conference bridge, enhancing collaboration.

• HD Audio on Handset & Speakerphone – Wide‑band audio provides crystal‑clear, natural conversations, with support for full‑duplex speakerphone and advanced echo cancellation.

• Dual‑Switched 10/100 Mbps Ports – One port connects to your network, the second allows you to bridge a PC or other device, simplifying desk cabling. The GXP1625 includes integrated PoE (802.3af Class 2) for power and data over a single cable .

• 132x48 Backlit Graphical LCD Display – A clear 132x48 pixel display (2.95 inches) provides easy viewing of call information, date/time, and programmable key labels .

• 3 XML Programmable Context‑Sensitive Soft Keys – Customise the soft keys for quick access to frequently used features, adapting the phone to different workflows.

• 13 Dedicated Function Keys – Includes MUTE, HEADSET, TRANSFER, CONFERENCE, SEND & REDIAL, SPEAKERPHONE, VOLUME, PHONEBOOK, MESSAGE, HOLD, PAGE/INTERCOM, RECORD, and HOOK keys for immediate access to essential functions .

• EHS Support for Plantronics Headsets – The RJ9 headset jack allows Electronic Hook Switch (EHS) support with Plantronics headsets, enabling remote call answer/end functionality .

• 500‑Contact Directory & 200‑Call History – Downloadable phonebook (XML, LDAP) with up to 500 entries, and call history up to 200 records keep important contacts and call logs organised .

• Advanced Telephony Features – Includes hold, transfer, forward (unconditional/no‑answer/busy), call park/pickup, shared‑call appearance (SCA), bridged‑line‑appearance (BLA), call waiting, off‑hook auto dial, auto answer, click‑to‑dial, flexible dial plan, hot desking, personalised music ringtones, and server redundancy & failover .

• Rich Voice Codec Support – Supports G.711μ/a, G.722 (wide‑band), G.726‑32, G.723, G.729A/B, iLBC, and Opus (pending), delivering high‑definition audio quality along with VAD (Voice Activity Detection), CNG (Comfort Noise Generation), AEC (Acoustic Echo Cancellation), PLC (Packet Loss Concealment), AJB (Adaptive Jitter Buffer), and AGC (Automatic Gain Control) .

• Enterprise‑Level Security – Protects your network and communications with secure boot, unique certificate, random default password, 256‑bit AES encrypted configuration files, TLS and SRTP encryption, and user/administrator level access control 

• Centralised Management via GDMS – Fully compatible with Grandstream’s free cloud‑based Device Management System (GDMS) for zero‑touch provisioning, configuration, firmware upgrades, real‑time monitoring, and troubleshooting – for one phone or across thousands of devices.

• Wall Mountable – The phone can be placed on a desktop using the base stand or wall‑mounted with an optional kit, offering installation flexibility .

Why Choose the GXP1625 for Your Business?

The GXP1625 is the ideal entry‑level IP phone for small businesses that want enterprise-grade features without complexity. Its PoE capability reduces power outlet requirements, making it perfect for installations where power sockets are scarce. With HD audio, 3‑way conferencing, strong security, and a 500‑contact directory, it delivers professional communication without breaking the budget.