# Grandstream GRP2603 3-Line IP Phone

- Canonical URL: https://www.netxl.com/desktop-voip-phones/grandstream-grp2603-ip-phone/
- Brand: Grandstream
- SKU / part number: GRP2603
- EAN (GTIN-13): 6947273703181
- Category: Corded VoIP Phones (https://www.netxl.com/desktop-voip-phones/)

## Pricing (GBP, guest pricing — trade customers see account pricing via the API)
| Quantity | ex VAT | inc VAT |
| --- | --- | --- |
| 1+ | £16.67 | £20.00 |
| 5+ | £16.67 | £20.00 |
| 10+ | £16.67 | £20.00 |

## Availability and shipping
- Availability: Out of stock
- Shipping: Royal Mail Tracked - Next Working Day — £7.19, 1 working day(s)

## Description

The Grandstream 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 next-generation features including: 5-way voice conferencing to maximise productivity, 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 Grandstream 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 centralised management, the GRP2603 is supported by Grandstream’s Device Management System (GDMS), which provides a centralised 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.

## Key highlights

- 3 lines, 6 SIP accounts, up to 3 call appearances
- Supported by GDMS which provides a centralised 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 maximise audio quality and clarity
- Equipped with noise shield technology to minimise background noise
- Supports 5-way audio conferencing for easy conference calls
- Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
- Swappable faceplate to allow for easy logo customisation

## Specifications

| Specification | Value |
| --- | --- |
| SIP Accounts | 6 |
| Lines | 3 |
| DECT | 0 |
| PoE | 0 |
| Supports Extension Module | 0 |
| Bluetooth | 0 |
| Programmable/BLF Keys | 4 |

## Documents

- [Grandstream GRP2603 IP Phone Datasheet](https://www.netxl.com/grandstream/docs/grandstream-grp2603-ip-phone-datasheet.pdf)

## Programmatic access

- This page in HTML: append a trailing slash instead of `.md`
- NetXL Customer API (real-time customer pricing, stock, ordering): https://api.netxl.com — OpenAPI at https://api.netxl.com/openapi.yaml
- MCP server for AI agents: https://mcp.netxl.com
- Machine-readable site index: https://www.netxl.com/llms.txt
- API documentation: https://www.netxl.com/api-docs.md