Grandstream Carrier-grade IP phone

Grandstream GRP2603 3-Line, 6-SIP Carrier-Grade IP Phone

A three-line carrier-grade IP phone with six SIP accounts, up to three call appearances, HD audio, Noise Shield, 5-way conferencing and GDMS.

3 lines and 6 SIP accounts
Up to 3 call appearances
5-way conferencing
HD audio and GDMS

Grandstream GRP2603 3-Line, 6-SIP Carrier-Grade IP Phone GRP2603

Product highlights

Calling capacity

Supports three lines, six SIP accounts and up to three call appearances.

HD audio

Includes HD audio on the handset and full-duplex speakerphone.

Noise Shield Technology

Helps minimise background noise.

5-way conferencing

Supports 5-way audio conference calls.

What to know before ordering

Review the stated model, capacity and compatibility details for SKU GRP2603. Only the specifications supplied for this exact product are shown.

Frequently asked questions

What is the Grandstream GRP2603?

The GRP2603 is a three-line carrier-grade IP phone designed for managed desktop deployments.

How many SIP accounts are supported?

It supports six SIP accounts.

How many call appearances are available?

The supplied data states up to three call appearances.

Does it support conference calls?

Yes. It supports 5-way audio conferencing.

What audio features are included?

HD handset and full-duplex speakerphone audio are supplied.

Does it include Noise Shield Technology?

Yes. Noise Shield Technology helps minimise background noise.

Does the GRP2603 include PoE?

The supplied family data identifies integrated PoE for the GRP2603P variant only.

Which headset brands are referenced for EHS?

Plantronics, Jabra and Sennheiser are referenced.

How is it managed and secured?

GDMS supports central management, while secure boot, dual firmware images and encrypted storage protect the endpoint.

What warranty applies to the GRP2603?

DeviceDeal is an authorised Grandstream reseller. The applicable Grandstream manufacturer warranty is subject to Grandstream terms; no exact warranty period was supplied.

(GRP2603)

GRP2603

Features and highlights

Calling capacity

Supports three lines, six SIP accounts and up to three call appearances.

HD audio

Includes HD audio on the handset and full-duplex speakerphone.

Noise Shield Technology

Helps minimise background noise.

5-way conferencing

Supports 5-way audio conference calls.

Headset support

EHS support is listed for Plantronics, Jabra and Sennheiser headsets.

Centralised management

GDMS supports central configuration, provisioning, management and monitoring.

Enterprise security

Includes secure boot, dual firmware images and encrypted data storage.

Customisation

A swappable faceplate supports logo customisation.

Key points

3 lines and 6 SIP accounts
Up to 3 call appearances
5-way conferencing
HD audio and GDMS

Technical specifications

Grandstream GRP2603 3-Line, 6-SIP Carrier-Grade IP Phone

Specifications below are organised from the information supplied for SKU GRP2603.

Calling
Lines	3
SIP accounts	6
Call appearances	Up to 3
Audio conferencing	5-way
Audio and headsets
Audio	HD handset and full-duplex HD speakerphone
Noise reduction	Noise Shield Technology
EHS support	Plantronics, Jabra and Sennheiser headsets
Management and security
Management	GDMS
Provisioning	Zero-touch provisioning
Security	Secure boot, dual firmware images and encrypted data storage
Faceplate	Swappable for logo customisation

SKU	GRP2603
Barcode #	6947273703181
Brand	Grandstream
Shipping Weight	0.7000kg

Manufacturer warranty

Grandstream warranty information

DeviceDeal is an authorised Grandstream reseller. This product is covered by the applicable Grandstream manufacturer warranty, subject to Grandstream warranty terms, eligibility requirements and product assessment. No exact warranty period was supplied for this SKU.

Please retain your DeviceDeal tax invoice or order record as proof of purchase for any eligible claim or service request.