The Grandstream GRP2636 is a professional 12-line carrier-grade IP phone designed for high-volume users such as receptionists, executives, and call center staff. It offers advanced features and robust connectivity options, making it suitable for enterprises and service providers seeking efficient and secure communication solutions.
📞 Key Features
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Lines & SIP Accounts: Supports 12 lines and up to 6 SIP accounts.
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Display: 4.3-inch (480×272) color TFT LCD screen.
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Multi-Purpose Keys: 24 physical multi-purpose keys (MPKs) with paper slots and dual-color LEDs, plus 32 virtual MPKs on-screen.
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Audio Conferencing: Supports 5-way voice conferencing.
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HD Audio: Full-duplex speakerphone with HD audio and noise shield technology to minimize background noise.
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Device Management: Compatible with Grandstream’s Device Management System (GDMS) for centralized provisioning and management.
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Security: Features secure boot, dual firmware images, and encrypted data storage for enterprise-level protection.
🔌 Connectivity & Interfaces
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Ethernet Ports: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated Power over Ethernet (PoE) support.
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Wi-Fi: Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4GHz & 5GHz).
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Bluetooth: Integrated Bluetooth support for headsets and syncing contacts or calendars.
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Headset Support: RJ9 headset jack with Electronic Hook Switch (EHS) support for Plantronics headsets and USB support for Grandstream’s GUV Series headsets.
🎧 Audio & Telephony Features
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Voice Codecs: Supports G.711µ/a-law, G.722 (wideband), G.726, G.723, G.729A/B, iLBC, and Opus.
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Phonebook: Supports up to 2000 contacts.
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Call History: Stores up to 2000 call records.
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Soft Keys: 5 XML programmable context-sensitive soft keys.
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Telephony Features: Includes hold, transfer, forward, call park, call pickup, shared-call-appearance (SCA), bridged-line-appearance (BLA), downloadable phonebook (XML, LDAP), call waiting, call log, XML customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones, and music on hold.
⚙️ Physical & Environmental Specifications
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Power Supply: PoE support; external power supply unit (PSU) not included.
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Operating Temperature: 0°C to 40°C.
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Storage Temperature: -10°C to 60°C.
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Humidity: 10% to 90% non-condensing.
