Name: Grandstream GRP2603
Brand: Grandstream
Availability: InStock
Rating: 4.9 (88 reviews)

Grandstream GRP2603 Overview

The Grandstream GRP2603 is a professional-grade IP Phone from Grandstream. Grandstream Networks is a leading manufacturer of IP phones, IP PBX, VoIP gateways, video conferencing, Wi-Fi networking and next-generation communication devices trusted by millions worldwide. Available in Lucknow through Call Soft Corporation — India's authorized dealer.

IP PhonesIP PBX / UCMVoIP GatewaysVideo PhonesDECT PhonesWi-Fi PhonesHotel PhonesDoor SystemsIP IntercomsWi-Fi APsNetwork Switches 📍 Lucknow ✅ Genuine Product 🛡️ Warranty

Grandstream GRP2603 Services

Installation Configuration Support Setup Dealer Distributor Reseller Price AMC Repair

Grandstream GRP2603 AMC in Indian Cities

Delhi Mumbai Bengaluru Hyderabad Chennai Kolkata Pune Ahmedabad Jaipur Surat Lucknow Kanpur Nagpur Visakhapatnam Indore Thane Bhopal Patna Vadodara Ghaziabad Ludhiana Agra Nashik Faridabad Meerut Rajkot Varanasi Allahabad Ranchi Howrah Coimbatore Jabalpur Gwalior Vijayawada Jodhpur Madurai Raipur Kota Guwahati Chandigarh Solapur Hubballi Amritsar Tiruchirappalli Bhubaneswar Kochi Noida Gurgaon Thiruvananthapuram Mysuru

Other Grandstream Models

GXP1610 GXP1615 GXP1620 GXP1625 GXP1628 GXP1630 GXP2130 GXP2135 GXP2140 GXP2160 GXP2170 GRP2601 GRP2601P GRP2601W GRP2602 GRP2602P GRP2602W GRP2602G GRP2603 GRP2603P View All →

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Recent Dispatch & Setup

Last Grandstream GRP2603 setup verified in Lucknow: 22 Aug, 2026

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Grandstream GRP2603 — India delivery available

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Customer Reviews for Grandstream GRP2603

Highly rated by businesses across Lucknow.

★★★★☆

"Genuine Sangoma PRI cards. Installation was smooth and fast."

Anjali Mehta 15 Aug, 2026

★★★★★

"Excellent knowledge of Issabel and GoAutoDial platforms."

Megha Shah 10 Aug, 2026