Grandstream GRP2603P 3-line Essential IP Phone

The Grandstream GRP2602W is a powerful 2-line IP phone designed for high-volume deployments and remote workers, featuring built-in dual-band Wi-Fi for wireless flexibility. It combines sleek design with advanced functionality including full HD audio, integrated EHS headset support, 5-way voice conferencing, and Grandstream’s carrier-grade security. With zero-touch provisioning and centralized cloud management through Grandstream’s Device Management System (GDMS), the GRP2602W is optimized for simple mass configuration and reliable everyday communication.

Product Features

Supports 2 lines and 4 SIP accounts
Ideal for remote or on-site professionals needing multi-line VoIP support.

Dual-band Wi-Fi connectivity
Integrated 2.4GHz and 5GHz Wi-Fi offers flexible wireless deployment with enterprise-level stability.

HD audio and noise shield technology
Ensures high-fidelity sound on both handset and speakerphone, even in noisy environments.

5-way voice conferencing
Built-in support for 5-way calls enhances team collaboration without external systems.

EHS headset compatibility
Seamless headset integration with Plantronics, Jabra, and Sennheiser for hands-free efficiency.

Secure and scalable provisioning
Features secure boot, dual firmware images, encrypted configuration files, and full support for GDMS for centralized provisioning and management.

Swappable faceplate for logo customization
Ideal for enterprise branding and deployment across multiple sites or clients.

Product Specifications

• Display: 2.21″ backlit graphical LCD (132 x 48 resolution)
• SIP accounts: 4
• Lines: 2 with dual-color LED line keys
• Feature keys:
  • 4 XML programmable soft keys
  • 5 navigation/menu keys
  • 8 function keys: MESSAGE (with LED), TRANSFER, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL–
• Voice codecs supported: G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS
• Audio enhancements: VAD, AEC, CNG, PLC, AGC
• Telephony features:
  • Call hold, transfer, forward
  • Call park, call pickup
  • 5-way conferencing
  • SCA/BLA
  • Phonebook (XML, LDAP, up to 2000 contacts)
  • Call log (up to 800 records)
  • Off-hook auto dial, auto answer
  • Click-to-dial, flexible dial plan, hot-desking
  • Custom ringtones, music on hold
  • Server redundancy and failover
• Network interfaces:
  • Dual 10/100 Mbps auto-sensing Ethernet ports
  • Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4GHz & 5GHz)
• Auxiliary port: RJ9 headset jack with EHS support
• QoS support: Layer 2 (802.1Q, 802.1P), Layer 3 (ToS, DiffServ, MPLS)
• Security:
  • User/admin level passwords
  • Secure boot, SRTP, TLS, 802.1x
  • MD5/MD5-sess authentication
  • 256-bit AES encrypted configuration files
• Provisioning & upgrades: FTP/TFTP/HTTP/HTTPS, GDMS, TR-069, AES-encrypted XML
• Languages supported: English, French, German, Spanish, Italian, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more
• Power:
  • Adapter: Input 100–240V AC; Output +5V DC, 600mA
  • PoE: Not applicable (GRP2602W is Wi-Fi based; PoE supported in GRP2602P only)
• Operating conditions:
  • Temperature: 0°C to 40°C (operation), -10°C to 60°C (storage)
  • Humidity: 10% to 90% non-condensing
• Base stand: 1 angle position (45°); wall mountable (*bracket sold separately)
• Physical dimensions: 208mm (L) x 180mm (W) x 63.4mm (H)
• Weight: 670g (unit), 880g (package)
• Package contents: GRP2602W phone, handset with cord, base stand, universal power adapter, network cable, Quick Installation Guide