Grandstream GRP2612 IP Phone

Grandstream GRP2612 2-Line IP Phone is a carrier-grade VoIP communication device designed for businesses, service providers, and enterprise environments that require reliable, secure, and easily manageable voice communications. Built for mass deployment, it supports up to 2 SIP accounts, a vibrant color LCD display, HD audio, 5-way conferencing, and centralized cloud provisioning through Grandstream Device Management System (GDMS). With its modern design, enterprise-grade security, and flexible deployment options, the GRP2612 is ideal for office users, reception desks, and business communication environments.

Product Features

Support for 2 SIP Accounts and 4 Line Keys

The GRP2612 supports up to 2 SIP accounts with multiple programmable line keys, enabling users to manage calls efficiently across extensions or services in busy office environments.

High-Resolution Color Display with Intuitive Interface

It features a 2.4-inch color LCD screen (320 × 240 resolution), providing clear navigation for contacts, call logs, and system settings for improved daily usability.

HD Audio with Wideband Voice Support

The device delivers HD voice quality on both handset and speakerphone, supporting wideband codecs such as G.722 and Opus for clearer and more natural conversations.

5-Way Audio Conferencing

Built-in 5-way conferencing allows multiple participants to join calls directly from the phone, improving collaboration without requiring external conferencing systems.

Swappable Faceplate for Custom Branding

The GRP2612 supports customizable faceplates, allowing organizations and service providers to apply branding for a consistent professional appearance.

Centralized Cloud Management via GDMS

The phone is fully compatible with Grandstream Device Management System (GDMS), enabling zero-touch provisioning, remote configuration, firmware updates, monitoring, and troubleshooting at scale.

Enterprise-Grade Security Features

It includes secure boot, dual firmware images, encrypted data storage, TLS, and SRTP to protect communications and prevent unauthorized network access.

Flexible Deployment for Business Environments

Designed for enterprise scalability, the GRP2612 supports mass deployment features that simplify installation across multiple locations and large organizations.

Product Specifications

• Model: Grandstream GRP2612
• Product Type: Carrier-grade 2-line IP phone
• SIP Accounts: Up to 2 SIP accounts
• Lines: 2 lines
• Display: 2.4-inch color LCD (320 × 240 resolution)
• Audio: HD handset and HD speakerphone
• Conferencing: 5-way audio conferencing
• Network Ports: Dual 10/100 Mbps Ethernet ports
• VoIP Codecs: Opus, G.722, G.711 A-law/U-law, G.729A/B, G.726, iLBC
• Device Management: Grandstream Device Management System (GDMS)
• Provisioning: Zero-touch provisioning, TR-069, XML configuration support
• Security: Secure boot, TLS, SRTP, HTTPS, encrypted storage, dual firmware images
• Phonebook Capacity: Up to 2,000 contacts
• Call Log Capacity: Up to 800 records
• QoS Support: 802.1Q, 802.1P, DiffServ
• Wall Mount Support: Yes
• Power Supply: External adapter (PoE available on other GRP2612 variants)
• Ideal Use Cases: Small businesses, enterprise offices, reception desks, call centers, and service provider deployments