The Grandstream GRP2603P is a reliable IP phone designed to meet the communication needs of modern businesses. Featuring a backlit graphical LCD display, gigabit Ethernet connectivity, and Power over Ethernet (PoE) support, this phone delivers professional-grade performance for offices of all sizes.
The GRP2603P is ideal for busy professionals who need a dependable desk phone with advanced features. Whether you're managing multiple lines, participating in conference calls, or simply handling day-to-day communications, this phone provides the tools you need to stay productive. The HD audio quality ensures every conversation is clear and natural, while the noise shield technology helps maintain professionalism even in busy office environments. The PoE capability simplifies installation by eliminating the need for separate power adapters, reducing cable clutter on your desk.
When you choose this Grandstream GRP2603P, you're backed by a company with over 30 years of experience in the industry. Every phone undergoes a meticulous testing and inspection process to ensure it meets our high standards for quality and reliability. We stand behind our products with comprehensive warranties and are committed to your complete satisfaction.
Upgrade your business communications with confidence. Order your Grandstream GRP2603P today and discover why thousands of businesses trust us for their technology needs.

These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
| Manufacturer | Grandstream |
|---|---|
| Model | GRP2603P |
| Display Dims and Resolution | 2.48 inch (132 x 64) backlit graphical LCD display |
| Audio Conferencing | 5-way audio conferencing |
| SIP Accounts | 6 SIP accounts |
| Number of Line Keys | 3 line keys with dual-color LED |
| Network Interfaces | Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE |
| HD Audio | Yes, HD handset and speakerphone with support for wideband audio |
| Built-In Wi-Fi | No |
| Bluetooth | No |
| Auxiliary Ports | RJ9 headset jack (allowing EHS with Plantronics, Jabra, and Sennheiser headsets) |
| OS | - |
| Speakerphone | Yes, HD speakerphone |
| Special Feature(s) | PoE. Noise shield technology to minimize background noise; carrier-grade security (secure boot, dual firmware images, and encrypted data storage); swappable faceplate for logo customization; and zero-touch provisioning via Grandstream’s Device Managemen |
| Optional Accessories (sold separately) | Wall Mount Kit (GRP_WM_S) Headsets (Wired & EHS Headsets) Universal 5V Power Adapter PoE Injector |
| Included | 1x GRP2603P phone 1x handset with cord 1x base stand 1x network cable 1x Quick Installation Guide |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.



