Grandstream GRP2603 IP Phone | 3 Lines | HD Audio | PoE

Overview of Grandstream GRP2603 IP Phone

The Grandstream GRP2603 IP phone is a professional-grade VoIP desk phone designed to meet the communication needs of small to medium businesses and enterprises. Supporting 3 lines and 3 SIP accounts, this device offers exceptional call clarity with HD audio, advanced telephony features, and Power over Ethernet (PoE) support for simplified installations. It’s an ideal IP phone solution for Indian workplaces demanding performance, security, and reliability.

Key Features of Grandstream GRP2603 IP Phone

The Grandstream GRP2603 is equipped with a 132×64 pixel LCD display, 4 programmable soft keys, and EHS support for Plantronics headsets. It offers HD audio on both the speakerphone and handset for superior voice quality, and is fully interoperable with major SIP platforms. The phone is ideal for use in high-call-volume environments like call centers, reception areas, or remote work setups across India.

Enterprise-Level Performance

The Grandstream GRP2603 IP phone is built with enterprise-grade features including multi-language support, full duplex speakerphone, multi-call handling, and call waiting. With support for 3 SIP accounts, it enables users to manage multiple lines efficiently, enhancing productivity across teams.

PoE & Provisioning for Easy Deployment

Featuring integrated Power over Ethernet (PoE), the GRP2603 IP phone requires only one cable for both power and data. It supports zero-touch provisioning with Grandstream’s GDMS, TR-069, and XML config files, allowing for large-scale deployments with minimal configuration. It also includes advanced security protocols such as TLS, SRTP, and 802.1x authentication.

Why Choose Grandstream GRP2603 in India?

From tech hubs in Bengaluru and Hyderabad to business centers in Delhi, Mumbai, and Pune, the Grandstream GRP2603 is widely adopted for its performance, cost-efficiency, and robust SIP compatibility. Whether you’re operating a growing startup or scaling a distributed contact center, this phone ensures seamless VoIP connectivity with secure infrastructure.

Product Specifications

• Model: Grandstream GRP2603
• Lines: 3
• SIP Accounts: 3
• Display: 132×64 pixel LCD screen
• Soft Keys: 4 programmable XML keys
• Audio: HD audio on handset and speaker
• PoE: Supported
• Power Adapter: Optional (sold separately)
• Headset Support: EHS (Plantronics compatible)
• Provisioning: GDMS, TR-069, HTTP/HTTPS
• Security: TLS, SRTP, 802.1x

Availability Across India

The Grandstream GRP2603 IP phone is available via IPVoice Technologies with quick shipping to all major Indian cities — including Chennai, Ahmedabad, Jaipur, Lucknow, and Chandigarh.

Conclusion

Designed for professionals who require more than just a basic desk phone, the Grandstream GRP2603 offers flexibility, efficiency, and top-tier VoIP features. Order now from IPVoice Technologies — your trusted Grandstream distributor and VoIP solutions provider in India.