Grandstream GRP2603 3-Line Essential IP Phone

The Grandstream GRP2603 is a 3-line essential IP phone designed for businesses seeking reliable communication solutions. It supports up to 6 SIP accounts and features a 2.48-inch backlit graphical LCD display. The device offers high-definition audio, advanced telephony features, and integrated Power over Ethernet (PoE) for simplified deployment. Its compatibility with Grandstream’s Device Management System (GDMS) ensures easy provisioning and management, making it ideal for enterprises and service providers.

Product Features

Multi-Line and SIP Account Support

• Supports 3 lines and up to 6 SIP accounts, allowing for efficient call management and flexibility in handling multiple calls simultaneously.

High-Definition Audio

• Equipped with a full-duplex speakerphone and HD audio capabilities to ensure clear and natural voice communication.

Integrated Power over Ethernet (PoE)

• The GRP2603P model includes integrated PoE, simplifying installation by delivering power and data over a single Ethernet cable.

Advanced Telephony Features

• Supports 5-way audio conferencing, call park, call pickup, shared-call-appearance (SCA), and bridged-line-appearance (BLA) for enhanced call handling capabilities.

Secure and Manageable

• Features secure boot, dual firmware images, and encrypted data storage to protect against unauthorized access and ensure device integrity.

• Compatible with GDMS for centralized configuration, provisioning, and management.

Customizable Design

• Offers a swappable faceplate for easy customization with company logos and branding.

Product Specifications

• Display: 2.48-inch (132×64) backlit graphical LCD

• Ethernet Ports: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (GRP2603P only)

• Audio Codecs: Supports G.729A/B, G.711μ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS

• Voice Features: VAD, AEC, CNG, PLC, AGC, AJB

• Headset Support: RJ9 headset jack with Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets

• Function Keys: 3 line keys with dual-color LED, 4 XML programmable context-sensitive soft keys, 5 navigation/menu keys, 9 dedicated function keys

• Provisioning: Firmware upgrade via FTP/TFTP/HTTP/HTTPS, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file

• Power Supply: Integrated PoE (IEEE 802.3af) or 5V DC/600mA adapter (sold separately)

• Operating Temperature: 0°C to 40°C

• Storage Temperature: -10°C to 60°C

• Humidity: 10% to 90% non-condensing

• Dimensions: 214mm (L) x 206mm (W) x 68mm (H)

• Weight: 780g (unit), 1090g (package)