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GRP2603 GRP2603 GRP2603 GRP2603 GRP2603

Carrier-Grade IP Phone, 3 SIP lines with 6 accounts, Gigabit ports, Opus codec, IPv4/IPv6 with GDMS cloud management

Top Highlights:

  • Zero-Touch Provisioning for Mass Deployment and Easy Setup
  • 5-Participant Audio Conference for Easy Group Calls
  • Noise Shield Technology for Background Noise Reduction
  • EHS Support for Plantronics, Jabra and Sennheiser Headsets
  • Enterprise Security With Secure Boot and Data Encryption
  • Centralized Cloud Management Through GDMS Platform... more info

Model: GRP2603
Brand: GRANDSTREAM
Warranty: 1 year

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Parts of GRP2603

Product Specifications

Essential IP Phone

As part of the GRP series of Carrier-Grade IP Phones, the GRP2603P is an essential 3-line model designed with zero-touch provisioning for mass deployment and easy management:

  • 6 SIP accounts, 3 lines.
  • Cloud-based device management and provisioning via GDMS.
  • 5-way audio conferencing for easy conference calls.
  • Equipped with Noise Shield technology to minimize background noise.
  • Supports Electronic Hook Switch (EHS) for Plantronics, Jabra, and Sennheiser headsets.
  • Enterprise-grade security features including secure boot, dual firmware images, and encrypted data storage.

With an elegant design and advanced feature set, including 5-way voice conferencing to boost productivity, EHS support for major headset brands, and multi-language support, the GRP series offers carrier-grade security for enterprise-level protection. Features like secure boot, dual firmware images, and encrypted data storage ensure robust security.

The GRP2603 is supported by the Grandstream Device Management System (GDMS), providing a centralized interface for configuring, provisioning, managing, and monitoring Grandstream device deployments.

Built for the essential needs of on-site or remote desk employees, the GRP2603 is designed for easy deployment by businesses, service providers, and high-volume markets, delivering a user-friendly and efficient voice solution.

 

Key Features

  • 3 SIP lines.
  • 6 SIP accounts.
  • GDMS compatibility.
  • 132 x 64 (2.48") LCD display.
  • Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS, DTMF in-band and out-of-band (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC.
  • Two 10/100/1000 Mbps Gigabit Ethernet switched ports.
  • RJ9 headset jack with EHS support for Plantronics, Jabra, and Sennheiser headsets.
  • Two available angle positions (39° & 45°) and wall-mount option (wall mount sold separately).

Package Contents

  • GRP2603 Phone.
  • Handset with cord.
  • Base stand.
  • Network cable.
  • Quick Installation Guide.
  • Power adapter.

Physical and Electrical Specifications

  • Universal Power Supply Input: 100-240 VAC 50-60 Hz; Output: +5 VDC, 600 mA (included).
  • Dimensions: 214 mm (L) x 206 mm (W) x 68 mm (H) (with handset).
  • Operating temperature: 0 °C to 40 °C.
  • Storage temperature: -10 °C to 60 °C.
  • Humidity: 10% to 90% non-condensing.

 

 
Product Specifications, Prices, and Pictures Disclaimer:
Technical specifications, characteristics, functions, colors, prices and pictures are true as of last update of this website. Due to occasional changes in technology some of these mentioned may change. The final prices are calculated with a 4% additional discount considering payment method is cash or wire transfer. The price can increase depending on the payment type.
ODC Models ( Overseas Distribution Center) are subject to price changes due to tariffs or import fees, please check pricing with your sales representative.
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