Grandstream GRP2612G 4-line IP Phone

The Grandstream GRP2612G is a robust 2-line, 4-key carrier-grade IP phone designed for high-volume enterprise and service provider environments. Built with zero-touch provisioning for streamlined deployment, the GRP2612G offers advanced features including dual Gigabit Ethernet ports with PoE, 16 virtual multi-purpose keys (VPKs), and HD audio support. It features a vibrant 2.4-inch color LCD, swappable faceplates for customizable branding, and enterprise-grade security tools such as encrypted data storage, dual firmware images, and secure boot. The device is fully compatible with Grandstream’s Device Management System (GDMS), making it ideal for mass deployment and centralized management.

Product Features

High-performance 2-line VoIP functionality
Supports up to 2 SIP accounts and 4 programmable line keys, ideal for entry-level professionals and small business users.

2.4-inch color display with custom branding options
Equipped with a 320×240 TFT color LCD and swappable faceplates for business-specific logo customization.

Gigabit Ethernet with PoE support
Includes dual auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated Power over Ethernet (802.3af) for efficient and flexible installation.

Up to 16 virtual BLF/VPK keys
Offers fast access to extensions, speed dial, and call monitoring through 16 programmable digital keys.

Enterprise-level security and encryption
Delivers secure communication with advanced features like secure boot, 256-bit AES encrypted configuration, TLS, and SRTP.

Full HD audio support
Features HD voice quality on both handset and speakerphone, supporting wideband codecs like G.722 and Opus.

Efficient remote management via GDMS
Supports centralized provisioning, firmware updates, and endpoint monitoring through Grandstream’s Device Management System (GDMS).

Product Specifications

• Display: 2.4” (320×240) TFT color LCD
• SIP accounts: Supports up to 2 SIP accounts
• Line keys: 4 multipurpose line keys
• Virtual keys: 16 digital BLF/VPKs
• Connectivity: Dual 10/100/1000 Mbps Gigabit Ethernet ports with PoE
• Audio codecs: G.729A/B, G.711µ/a-law, G.726, G.722, G.723, iLBC, Opus
• Voice features: In-band/out-of-band DTMF (RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
• Telephony features:
  • Hold, transfer, forward
  • 3-way conference
  • Call park, call pickup
  • Shared-call/bridged-line appearance (SCA/BLA)
  • Call waiting, call log (up to 1000 records)
  • XML/LDAP phonebook (up to 1000 entries)
  • Off-hook auto dial, auto answer, click-to-dial
  • Hot-desking, server failover, flexible dial plan
  • Personalized music on hold and ringtones
• Audio: HD handset and speakerphone with wideband support
• Feature keys:
  • 4 XML programmable softkeys
  • 5 navigation/menu keys
  • 9 dedicated function keys: MESSAGE (with LED), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL–
• Headset support: RJ9 headset jack with EHS support (Plantronics compatible)
• QoS: Layer 2 (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS)
• Security:
  • Secure boot, dual firmware images
  • 256-bit AES encrypted config
  • TLS, SRTP, 802.1x, MD5/MD5-sess authentication
• Provisioning: GDMS, TR-069, FTP/TFTP/HTTP/HTTPS, AES-encrypted XML
• Multi-language: English, French, German, Italian, Spanish, Portuguese, Russian, Chinese, Korean, Japanese, Croatian, and more
• Power:
  • Adapter: 5V/0.6A (included)
  • PoE: IEEE 802.3af compliant
• Power consumption: Max 3W (adapter) / 3.8W (PoE)
• Operating temperature: 0°C to 40°C
• Storage temperature: -10°C to 60°C
• Humidity: 10% to 90% non-condensing
• Physical dimensions: 203mm x 193mm x 52.1mm
• Weight: 554g (unit), 936g (packaged)
• Mounting: Dual-angle stand; wall-mountable (wall mount sold separately)
• Package contents: GRP2612G phone, handset with cord, phone stand, 5V power adapter, network cable, quick installation guide, GPL license