SKU: GRP2603 Categories: , , Brand:

GRP2603 IP PHONE

  • Includes free configuration*
  • Includes 12-months Premium support

£86.24 exc. VAT

  • Up to 35% discounts available
  • Free shipping on orders over £50!

3-line, 6-SIP account essential IP phone with PoE support, 5-way conferencing, and enterprise-grade security — built for easy deployment and reliable everyday use

Description

Grandstream GRP2603 Essential IP Phone NO BUILT IN POE

The GRP2603 (and PoE version GRP2603P) is part of Grandstream’s Essential GRP series of carrier-grade IP phones. It’s designed for mass deployment, remote and on-site workers, and environments where easy provisioning and robust reliability are critical. With 3 lines, 6 SIP accounts (with up to 3 simultaneous call appearances), it can handle multiple active connections, making it suitable for busy office desks. Grandstream+1

Equipped with a full-duplex speakerphone, HD audio, and noise-shield / AI noise reduction features, the GRP2603 ensures clarity even in noisy environments. It supports 5-way voice conferencing, a graphical backlit 2.7-inch display, and hardware features like PoE (in the “P” model), dual Ethernet ports, and customizable faceplates. Advanced security features like secure boot, dual firmware images, and encrypted storage make it suitable for enterprise use.

Features

  • 3 lines and 6 SIP accounts (with up to 3 active call appearances)
  • S5-way voice conferencing
  • Backlit 2.7-inch (132×64) graphical LCD display
  • HD audio for both handset and speakerphone
  • 5-way voice conferencing
  • Noise-shield + AI noise reduction
  • EHS headset support (Plantronics, Jabra, Sennheiser)
  • Swappable faceplate for logo/customisation
  • Dual Gigabit Ethernet ports
  • Enterprise security: secure boot, dual firmware images, encrypted storage, TLS/SRTP etc.

Key benefits

Just some of the advantages

  • Flexible line management: Multiple SIP accounts and call appearances allow handling several calls at once.
  • Clear, professional sound: HD audio + speakerphone deliver crisp, reliable voice communication.
  • Reduced background distractions: Noise reduction features improve clarity in noisy environments.
  • Simple deployment & control: Using GDMS and zero-touch provisioning cuts time & effort.
  • Customisable look: Swappable faceplates let you add branding or adapt the phone’s visual style.
  • Compatibility with headsets: EHS support lets staff use familiar headsets for comfort and convenience.
  • Robust security: Designed to meet enterprise requirements for data protection and firmware integrity.

Where It Works Best

Trusted by managers and users in key scenarios such as:

  • Front desks & shared workstations, where multiple lines and accounts are essential.
  • Remote / home offices, offering reliable voice capability without needing PoE.
  • Busy office environments, benefiting from noise reduction and HD audio.
  • Field Work & Security: Weatherproof with long battery life for outdoor or mobile teams.
  • Multi-site rollouts, where centralized management and mass deployment are important.

The GRP2603 gives you all the core capabilities of a modern IP phone — strong audio, multiple lines/SIP support, excellent manageability and security — in a non-PoE model, ideal when local power is available or PoE isn’t needed.

£86.24 exc. VAT

* Free configuration:

Free expert configuraiton of your device for use with UtterVoIP services is included; see our Services menu for easy migration to UtterVoIP from your existing provider