Grandstream GRP2612 IP Phone

The Grandstream GRP2612 is a professional 2-line carrier-grade IP phone engineered for mass deployment in business, enterprise, and service provider environments. With support for zero-touch provisioning, the GRP2612 streamlines installation while offering advanced features including HD audio, secure firmware management, and up to 16 virtual multi-purpose keys (VPKs). A 2.4-inch color LCD screen and swappable faceplates make this device both visually appealing and brand-friendly.

Product Features

Supports 2 SIP accounts and 4 line keys
Ideal for desktop professionals, enabling efficient call handling in busy office environments.

HD audio for superior voice clarity
Delivers crystal-clear calls via handset and speakerphone with support for all major audio codecs including G.722 and Opus.

Sleek design with customizable branding
Includes a vivid 2.4″ TFT color display and swappable faceplate for easy logo customization.

Enterprise-grade security
Features secure boot, encrypted configuration files, SRTP/TLS, and dual firmware images for reliable and protected communications.

GDMS support for centralized management
Easily configure, provision, and manage devices via Grandstream Device Management System (GDMS).

Product Specifications

• Display: 2.4 inch (320×240) TFT color LCD
• SIP accounts: Supports up to 2 SIP accounts
• Line keys: 4 programmable multi-purpose line keys
• Virtual keys: Up to 16 digital BLF/VPKs
• Ethernet: Dual 10/100 Mbps auto-sensing ports
• PoE support: Available on GRP2612P model only (802.3af compliant)
• Voice codecs: G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723, iLBC, Opus
• DTMF support: In-band, RFC2833, SIP INFO
• Audio: HD audio on both handset and speakerphone
• Telephony features:
  • Hold, transfer, forward
  • 3-way conference
  • Call park, call pickup
  • Shared-call-appearance (SCA), bridged-line-appearance (BLA)
  • XML/LDAP phonebook (up to 2000 entries)
  • Call waiting, call log (up to 1000 records)
  • XML screen customization
  • Off-hook auto dial, auto answer
  • Click-to-dial, hot-desking
  • Custom music on hold and ringtones
  • Server redundancy and failover
• 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:
  • MD5/MD5-sess authentication
  • 256-bit AES encrypted configuration
  • TLS, SRTP, 802.1x access control
  • Secure boot, dual firmware images
• Provisioning: GDMS, TR-069, FTP/TFTP/HTTP/HTTPS, AES encrypted XML config
• Multi-language support: English, French, German, Italian, Spanish, Portuguese, Russian, Chinese, Japanese, Korean, Croatian, and more
• Power:
  • 5V/0.6A power adapter included
  • Max power consumption: 3W (adapter) or 3.8W (PoE on GRP2612P)
• Operating temperature: 0°C to 40°C
• Storage temperature: -10°C to 60°C
• Humidity: 10% to 90% (non-condensing)
• Mounting: 2-angle stand, wall mountable (bracket sold separately)
• Dimensions: 203mm x 193mm x 52.1mm
• Weight: 554g (unit), 936g (package)
• Package includes: GRP2612 phone, handset with cord, phone stand, 5V power adapter, network cable, Quick Installation Guide, GPL license