Grandstream GRP2603P 3-line Essential IP Phone

Grandstream GRP2603P 3-Line Essential IP Phone is a carrier-grade VoIP desk phone designed for small businesses, enterprises, service providers, and remote work environments. Featuring support for up to 3 SIP accounts, integrated Power over Ethernet (PoE), HD audio technology, and centralized cloud management through Grandstream Device Management System (GDMS), the GRP2603P delivers reliable, secure, and cost-effective business communications. Its streamlined deployment capabilities, advanced security features, and user-friendly design make it an ideal solution for organizations seeking professional voice communication and simplified device management.

Product Features

Support for 3 SIP Accounts and 6 Virtual Multi-Purpose Keys

The GRP2603P supports up to 3 SIP accounts and 6 virtual multi-purpose keys, allowing users to manage multiple calls, extensions, and communication tasks efficiently from a single device.

Integrated Power over Ethernet (PoE)

Built-in PoE support enables the phone to receive both power and network connectivity through a single Ethernet cable. This simplifies installation, reduces infrastructure costs, and minimizes cable clutter.

HD Audio Quality

The GRP2603P delivers exceptional HD voice quality through both the handset and full-duplex speakerphone, ensuring clear and professional business communications.

5-Way Audio Conferencing

Built-in 5-way audio conferencing allows teams to collaborate effectively and conduct conference calls directly from the phone without requiring additional conferencing solutions.

Noise Shield Technology

Grandstream’s Noise Shield technology helps minimize background noise and distractions, enhancing call clarity and improving communication quality in busy office environments.

Centralized Device Management with GDMS

The phone supports Grandstream Device Management System (GDMS), allowing administrators to provision, configure, monitor, and manage devices from a centralized cloud platform.

Enterprise-Grade Security

Advanced security features including secure boot, dual firmware images, encrypted data storage, TLS encryption, and SRTP protection help safeguard communications and sensitive business information.

EHS Headset Support

Electronic Hook Switch (EHS) compatibility allows users to connect supported wireless headsets, providing greater flexibility and productivity during business calls.

Zero-Touch Provisioning

Automated provisioning capabilities simplify large-scale deployments, making the GRP2603P an excellent choice for service providers and organizations with multiple office locations.

Professional and Space-Efficient Design

The phone features a compact and modern design that fits seamlessly into office desks, reception counters, customer service stations, and remote workspaces.

Product Specifications

• Model: Grandstream GRP2603P
• Product Type: Essential Carrier-Grade IP Phone
• SIP Accounts: 3
• Line Appearances: 6 Virtual Multi-Purpose Keys
• Display Type: Backlit Graphical LCD Display
• Display Size: 2.41 Inches
• Ethernet Ports: Dual 10/100 Mbps Ethernet Ports
• Power over Ethernet: Yes (IEEE 802.3af PoE)
• HD Audio: Supported on Handset and Speakerphone
• Speakerphone: Full-Duplex HD Speakerphone
• Audio Conferencing: 5-Way Audio Conferencing
• Noise Reduction: Noise Shield Technology
• Security Features: Secure Boot, Dual Firmware Images, Encrypted Data Storage, TLS, SRTP
• Device Management: Grandstream Device Management System (GDMS)
• Headset Support: RJ9 Headset Port with EHS Support
• Phonebook Capacity: Up to 2,000 Contacts
• Call History Capacity: Up to 800 Records
• Provisioning: Zero-Touch Provisioning
• Network Protocols: SIP, TCP/IP, UDP, RTP, HTTPS, LDAP, IPv4, IPv6
• Wall Mountable: Yes
• Power Supply: PoE or Optional Power Adapter
• QoS Support: Layer 2 and Layer 3 QoS
• Operating Temperature: 0°C to 40°C
• Deployment: Small Businesses, Enterprises, Service Providers, Remote Offices, and Call Centers
• Cloud Management: Supported via GDMS
• Color: Black