--- product_id: 398054983 title: "Grandstream GRP2603P 3 Line IP Phone 6 SIP Accounts 132x48 Backlit Screen HD Audio Powerable Via POE" brand: "grandstream" price: "¥20280" currency: JPY in_stock: true reviews_count: 1 category: "Grandstream" url: https://www.desertcart.jp/products/398054983-grandstream-grp2603p-3-line-ip-phone-6-sip-accounts-132x48 store_origin: JP region: Japan --- # HD audio clarity 3-line multitasking PoE powered convenience Grandstream GRP2603P 3 Line IP Phone 6 SIP Accounts 132x48 Backlit Screen HD Audio Powerable Via POE **Brand:** grandstream **Price:** ¥20280 **Availability:** ✅ In Stock ## Summary > 📞 Elevate your desk game with the GRP2603P — where clarity meets control. ## Quick Answers - **What is this?** Grandstream GRP2603P 3 Line IP Phone 6 SIP Accounts 132x48 Backlit Screen HD Audio Powerable Via POE by grandstream - **How much does it cost?** ¥20280 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/398054983-grandstream-grp2603p-3-line-ip-phone-6-sip-accounts-132x48) ## Best For - grandstream enthusiasts ## Why This Product - Trusted grandstream brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Power:** Integrated Power over Ethernet (PoE) means zero clutter and instant setup. - • **Centralized Cloud Control:** GDMS support lets you provision, manage, and monitor all devices remotely with ease. - • **Enterprise-Grade Security:** Carrier-grade protection with secure boot, dual firmware, and encrypted storage keeps your calls safe. - • **Crystal Clear Conversations:** Full HD audio on both speaker and handset ensures every word is heard perfectly. - • **Seamless Multi-Line Mastery:** Manage up to 3 lines and 6 SIP accounts effortlessly for ultimate connectivity. ## Overview The Grandstream GRP2603P is a sleek, 3-line IP phone designed for professional environments, supporting 6 SIP accounts and powered via PoE for hassle-free deployment. It delivers full HD audio, enterprise-level security, and centralized cloud management through GDMS, making it ideal for on-site or remote workers seeking reliable, high-quality communication. ## Description 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 security, including secure boot, dual firmware images and encrypted data storage. For cloud provisioning and centralized management, the GRP2603 is supported by Grandstream's 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 highvolume markets, the GRP2603 offers an easy-to-use and easy-to-deploy voice endpoint.Package Contents:3-Line Essential IP Phone Handset with Cord Base Stand Network Cable Quick Installation Guide. Review: This is second time I received the package and again there is no POWER ADAPTER without power adapter it is a show piece only anyway ither i have to buy new adapter separately or I will return it, i tried to call importers on land line and on there website there is responding. ## Features - Original brand product. - Original brand product ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08SYZF4WJ | | Answering System Type | Digital | | Best Sellers Rank | #107,178 in Electronics ( See Top 100 in Electronics ) #164 in VoIP & Skype Phones | | Brand | Grandstream | | Built-In Media | GRP2603 phone, Quick Installation Guide, base stand, handset with cord, network cable, universal power supply(GRP2603 only) | | Color | black | | Compatible Devices | Grandstream's Device Management System (GDMS), VoIP services | | Conference Call Capability | Basic | | Customer Reviews | 3.9 3.9 out of 5 stars (3) | | Dialer Type | Single Keypad | | Enclosure Material | Plastic | | Is there Caller ID | No | | Item Dimensions | 21.4 x 20.6 x 6.8 centimeters | | Item Weight | 500 Grams | | Manufacturer | Grandstream | | Mfr Part Number | GRP-2603P | | Model Number | GRP2603(P) | | Multiline Operation | Multi-Line Operation | | Number of Batteries | A batteries required. | | Power Source | Corded Electric | | Recording Capacity | 16 Minutes | | Telephone Type | Corded | | UPC | 753459160374 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Grandstream - **Colour:** black - **Material:** Plastic - **Number of batteries:** A batteries required. - **Telephone type:** Corded ## Images ![Grandstream GRP2603P 3 Line IP Phone 6 SIP Accounts 132x48 Backlit Screen HD Audio Powerable Via POE - Image 1](https://m.media-amazon.com/images/I/718mGAxwYpL.jpg) ## Customer Reviews ### ⭐ Review *by N***. on 18 December 2021* This is second time I received the package and again there is no POWER ADAPTER without power adapter it is a show piece only anyway ither i have to buy new adapter separately or I will return it, i tried to call importers on land line and on there website there is responding. ## Frequently Bought Together - Grandstream GRP2603P IP Phone | 3 Lines, 6 SIP Accounts | 2.7-Inch LCD Display | Dual-Port Gigabit Ethernet with Integrated PoE | Power Adapter Not Included - Grandstream UCM6301 IP PBX | 1 FXO Port, 1 FXS Port | Desktop/Wall-Mount - Grandstream GXP2170 IP Phone | 12 Lines, 6 SIP Accounts | 4.3-Inch Color Display | Dual-Port Gigabit Ethernet with Integrated PoE --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/398054983-grandstream-grp2603p-3-line-ip-phone-6-sip-accounts-132x48](https://www.desertcart.jp/products/398054983-grandstream-grp2603p-3-line-ip-phone-6-sip-accounts-132x48) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-29*