Grandstream GRP2636 – 12-Line Professional Carrier-Grade IP Phone

The Grandstream GRP2636 is a powerful, high-end IP phone designed for enterprises, call centers, and busy professionals who require advanced telephony features and superior voice quality. With 12 SIP lines, a large color display, and integrated dual-band Wi-Fi, the GRP2636 offers flexibility, security, and performance in a modern design.

Key Features

• 12 Lines / 6 SIP Accounts: Manage multiple calls with ease
• Color Display: 4.3” TFT color LCD (480x272) with intuitive UI
• Digital BLF Keys: 24 programmable virtual keys with dual-color LED indicators
• Integrated Wi-Fi: Dual-band 2.4GHz & 5GHz Wi-Fi connectivity
• Bluetooth: Built-in Bluetooth for headsets and pairing with mobile devices
• HD Audio: Full HD audio on speakerphone and handset with Opus, G.722 support
• Security-Focused: Enterprise-grade security including SRTP, TLS, and dual firmware images
• Dual Gigabit Ethernet Ports: With integrated PoE for fast and reliable network connection
• Zero-Touch Provisioning: Centralized deployment via Grandstream Device Management System (GDMS)

Technical Specifications

• Lines: 12 lines, 6 SIP accounts
• Screen: 4.3" color LCD (480 x 272)
• Audio Codecs: Opus, G.722, G.711, G.729, iLBC, etc.
• HD Audio: On handset, speakerphone, and headset
• Wi-Fi: Dual-band 802.11 a/b/g/n/ac (2.4GHz & 5GHz)
• Bluetooth: Version 5.0
• Ethernet: 2 x Gigabit RJ45 ports with PoE
• USB Port: USB 2.0 for storage or external devices
• Headset Support: RJ9 & Bluetooth headsets
• Wall Mountable: Yes
• Power Supply: 12V/1A adapter (included if PoE is not used)

Package Contents

• Grandstream GRP2636 IP Phone
• Handset with Cord
• Stand/Base
• Power Adapter (may vary by region)
• Ethernet Cable
• Quick Installation Guide

Ideal For

• Call centers and reception desks
• Enterprise professionals handling multiple lines
• Remote or hybrid workers using Wi-Fi and Bluetooth
• Large-scale VoIP deployments with centralized management

Note: For full remote provisioning and management, integrate with Grandstream Device Management System (GDMS).