Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.
Overview:
Part of the GRP series of Carrier-Grade IP Phones, the GRP2603 is an essential 3-line model designed with zerotouch provisioning for mass deployment and easy management. It features a sleek design and a suite of nextgeneration features including: 5-way voice conferencing to maximize productivity, integrated PoE (GRP2603P), full HD audio on both the speaker and handset to allow users to communicate with the utmost clarity, EHS support for Plantronics, Jabra, and Sennheiser headsets and multi-language support. The GRP series includes carrier-grade security features to provide enterprise-level sec urity, including secure boot, dual firmware images and encrypted data storage. For cloud provisioning and centralized management, the GRP2603 is supported by Grandstreams Device Management System (GDMS), which provides a centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. Built for the needs of on-site or remote desktop workers and designed for easy deployment by enterprises, service providers and other high volume markets, the GRP2603 offers an easy-to-use and easy-to-deploy voice endpoint.
Features:
3 lines, 6 SIP accounts, up to 3 call appearances
Supported by GDMS which provides a centralized interface to configure, provision, manage and monitor Grandstream devices
Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets
Full-duplex speakerphone with HD audio to maximize audio quality and clarity
Equipped with noise shield technology to minimize background noise
3 line keys with dual-color LED and support for 6 SIP accounts, 4 XML programmable context sensitive soft keys, 5 (navigation, menu) keys. 9 dedicated function keys for: MESSAGE(with LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-
Auxiliary Port
RJ9 headset jack (allowing EHS with Plantronics & Jabra &Sennheiser headsets)
Voice Codecs and Capabilities
Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723, iLBC, OPUS, in- band and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC
Telephony Features
Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call- appearance(SCA) / bridged-line-appearance(BLA), downloadable phonebook(XML, LDAP, up to 2000 items), call waiting, call log(up to 800 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones and music on hold, server redundancy and fail-over
HD Audio
Yes, HD handset and speakerphone with support for wideband audio
Yes, 2 angle positions available (39° & 45°), Wall Mountable (*wall mount sold
User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control, secure boot
Multi-language
English, Chinese, Korean, Japanese, German, Italian, French, Spanish, Portuguese, Russian, Croatian, and more
Upgrade/Provisioning
Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using GDMS/TR- 069 or AES encrypted XML configuration file
Power & Green Energy Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz, Output +5VDC, 600mA, PoE: IEEE802.3af Class 1, 3.84W, IEEE802.3az (EEE) (GRP2603P Only)
Temperature and Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10% to 90% Non-condensing
Package Content
GRP2603 phone, handset with cord, base stand, universal power supply(GRP2603 only), network cable, Quick Installation Guide
Physical
Dimension: 214mm (L) x 206mm (W) x 68mm (H) (with handset)
Unit weight: 780g, Package weight: 1090g for GRP2603P &1140g for GRP2603
GRP2603/GRP2603P Compliance
FCC: Part 15 Class B, FCC Part 68 HAC, CE: EN 55032, EN 55035, EN 61000-3-2, EN 61000-3-3, EN 62368-1, RCM: AS/NZS CISPR32, AS/NZS 62368.1, AS/CA S004, IC: ICES-003, CS-03
Reviews have been submitted by users and do not necessarily reflect our own opinion.
The best price and guaranteed service and backup from official computer suppliers in South Africa for the GS-GRP2603P Grandstream GRP2603P 3 line Gigabit carrier desk phone with PoE.
The Grandstream
GS-GRP2603PGrandstream GRP2603P 3 line Gigabit carrier desk phone with PoE is available for R949. The product is sold by ComX Computers as new. Prices are valid today 2026-10-20 (before , by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.
Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.
Find related GS-GRP2603P Grandstream GRP2603P 3 line Gigabit carrier desk phone with PoE products in our VoIP handsets phones Category for even more options. Read reviews and find out about GS-GRP2603P Grandstream GRP2603P 3 line Gigabit carrier desk phone with PoE. Discounts, specials and cheap prices only at ComX Computers.
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