Grandstream GRP2603 3-Line IP Phone 6 SIP Accounts 5-Way Conference

PRODUCT TITLE

Grandstream GRP2603 3-Line IP Phone 6 SIP Accounts 5-Way Conference

PRODUCT OVERVIEW

As part of the GRP series of Carrier-Grade IP Phones, the GRP2603P is an essential 3-line model designed with zero-touch provisioning for mass deployment and easy management:

PRODUCT TYPE / CATEGORY

• Networking
• VoIP

KEY FEATURES

• 3 SIP lines.
• 6 SIP accounts.
• GDMS compatibility.
• 132 x 64 (2.48") LCD display.
• Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS, DTMF in-band and out-of-band (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC.
• Two 10/100/1000 Mbps Gigabit Ethernet switched ports.
• RJ9 headset jack with EHS support for Plantronics, Jabra, and Sennheiser headsets.
• Two available angle positions (39° & 45°) and wall-mount option (wall mount sold separately).
• Package Contents
• GRP2603 Phone.
• Handset with cord.
• Base stand.
• Network cable.
• Quick Installation Guide.
• Power adapter.
• Physical and Electrical Specifications
• Universal Power Supply Input: 100-240 VAC 50-60 Hz; Output: +5 VDC, 600 mA (included).
• Dimensions: 214 mm (L) x 206 mm (W) x 68 mm (H) (with handset).

TECHNICAL SPECIFICATIONS

• Brand: Grandstream
• Model: GRP2603
• Product Type: VoIP
• 6 SIP accounts, 3 lines.
• Cloud-based device management and provisioning via GDMS.
• 5-way audio conferencing for easy conference calls.
• Equipped with Noise Shield technology to minimize background noise.
• Supports Electronic Hook Switch (EHS) for Plantronics, Jabra, and Sennheiser headsets.
• Enterprise-grade security features including secure boot, dual firmware images, and encrypted data storage.
• 3 SIP lines.
• 6 SIP accounts.
• GDMS compatibility.
• 132 x 64 (2.48") LCD display.
• Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS, DTMF in-band and out-of-band (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC.
• Two 10/100/1000 Mbps Gigabit Ethernet switched ports.
• RJ9 headset jack with EHS support for Plantronics, Jabra, and Sennheiser headsets.
• Two available angle positions (39° & 45°) and wall-mount option (wall mount sold separately).
• GRP2603 Phone.
• Handset with cord.
• Base stand.
• Network cable.
• Quick Installation Guide.
• Power adapter.
• Universal Power Supply Input: 100-240 VAC 50-60 Hz; Output: +5 VDC, 600 mA (included).
• Dimensions: 214 mm (L) x 206 mm (W) x 68 mm (H) (with handset).
• Operating temperature: 0 °C to 40 °C.
• Storage temperature: -10 °C to 60 °C.
• Humidity: 10% to 90% non-condensing.
• Zero-Touch Provisioning for Mass Deployment and Easy Setup
• 5-Participant Audio Conference for Easy Group Calls
• Noise Shield Technology for Background Noise Reduction
• EHS Support for Plantronics, Jabra and Sennheiser Headsets

INTENDED USE / APPLICATIONS

• Professional networking and communications deployments
• Commercial, institutional, or industrial installations
• Use with compatible equipment according to manufacturer specifications

SHIPPING

• Handling time: up to 2 business days
• Orders often ship the same business day
• Orders are not shipped on weekends or holidays
• Carrier is seller-selected (UPS, USPS, FedEx, or equivalent)
• Shipping delays may occur during high-volume periods or carrier-related issues
• Shipments to Alaska, Hawaii, Puerto Rico, or Guam may be cancelled due to cost
• Orders over $100 require a valid postal address
• Orders over $250 require insurance and signature confirmation
• International buyers are responsible for customs duties and import taxes
• Restricted destinations: Cuba, Iran, North Korea, Sudan, Syria, Russia

RETURNS

• Returns accepted within 30 days
• Item must be returned in the same condition as received
• Seller pays return shipping

DATA ACCURACY DISCLAIMER

Product details are based on available manufacturer information and may be subject to change without notice.

BULK / VOLUME BUYERS

For bulk orders or volume inquiries, please contact us to confirm availability and pricing.

ABOUT EHUB AMERICA

eHub America is a U.S.-based technology distributor specializing in two-way communications, networking, and security solutions. We operate with strict catalog standards, manufacturer-verified product data, and dependable order fulfillment. Our focus is serving professional, commercial, and institutional customers with consistency, accuracy, and operational reliability.