Grandstream GRP2603 IP Phone
Grandstream GRP2603 IP Phone - Image 2
Grandstream GRP2603 IP Phone - Image 3

Grandstream GRP2603 IP Phone

GRANDSTREAM GRP2603 Essential IP Phone

Elevate essential communication performance for demanding users in Dubai and Abu Dhabi with the GRANDSTREAM GRP2603 Essential IP Phone. This carrier-grade model significantly enhances capacity and speed, featuring 3 lines, support for 6 SIP accounts, and integrated dual Gigabit Ethernet ports for lightning-fast network connectivity. Designed for professionals and busy staff across the UAE who handle moderate call volumes or require high-speed passthrough for a PC, the GRP2603 ensures seamless operation. It boasts a clear 2.7-inch (132×64) backlit graphical LCD for improved visibility and integrates effortlessly with Grandstream’s Device Management System (GDMS) for zero-touch provisioning and centralized cloud management, simplifying large-scale deployments. Experience crystal-clear conversations with HD audio on the handset and speakerphone, enhanced by noise shield technology. Boost collaboration with 5-way audio conferencing and enjoy headset flexibility with EHS support. With robust enterprise-level security features and a sleek design featuring two stand angle options, the GRP2603 is the ideal VoIP Phone UAE choice for businesses needing a reliable, high-performance, yet cost-effective and easily manageable IP phone that keeps pace with faster network infrastructures and increased user demands.

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Description

GRANDSTREAM GRP2603: Gigabit Speed and Expanded Capacity for UAE Business Professionals

In the fast-paced business landscape of Dubai, Abu Dhabi, and the wider United Arab Emirates, communication tools need to keep pace with increasing demands for speed, capacity, and efficiency. The GRANDSTREAM GRP2603 Essential IP Phone rises to this challenge, offering a significant upgrade within the carrier-grade GRP series. Designed for professionals and power users who require more than basic functionality, the GRP2603 integrates 3 lines, support for 6 SIP accounts, and crucially, dual Gigabit Ethernet ports. This combination caters to users managing moderate call volumes, requiring high-speed network passthrough, and benefiting from enhanced line flexibility, all while maintaining the core GRP values of effortless deployment, superior audio, and robust security.

Stepping Up: 3 Lines, 6 SIP Accounts, and Gigabit Connectivity

The GRP2603 distinguishes itself from lower-tier models through three key enhancements:

  1. Expanded Line and Account Capacity: Supporting 3 physical line keys and the registration of up to 6 distinct SIP accounts allows for greater call handling flexibility. Users can manage multiple active calls, monitor more shared lines (SCA/BLA), dedicate lines to specific functions (e.g., personal, department, project), or easily switch between different SIP identities. This increased capacity is ideal for receptionists, administrative assistants, sales professionals, managers, and other roles common in UAE businesses where juggling multiple communication streams is routine.
  2. Integrated Gigabit Ethernet: The inclusion of dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports is a major advantage for performance-conscious environments. It ensures that the phone itself has a high-speed connection to the network, crucial for optimal voice quality and responsiveness, especially when using high-bandwidth codecs or engaging in frequent data-intensive operations via the phone interface (like accessing large directories). Furthermore, the second Gigabit port allows a PC or other network device to be connected through the phone without creating a bottleneck, preserving Gigabit speeds for the downstream device. This is particularly beneficial in modern UAE offices where Gigabit infrastructure is increasingly standard.
  3. Larger Backlit Display: The GRP2603 features a slightly larger 2.7-inch (132×64 pixel) backlit graphical LCD compared to the GRP2601/2602 models. This provides more screen real estate for displaying call information, softkey labels, menu options, and other contextual data, improving readability and ease of use.

Effortless Deployment and Management via GDMS

Despite its enhanced capabilities, the GRP2603 remains remarkably easy to deploy and manage, thanks to the Grandstream Device Management System (GDMS). This powerful cloud platform enables true zero-touch provisioning, a significant benefit for IT teams managing deployments across multiple locations in the UAE. Devices can be pre-configured centrally; upon connection to the network, the GRP2603 securely retrieves its configuration from GDMS and becomes fully operational. This eliminates manual setup, drastically cutting deployment time and costs. GDMS also provides a comprehensive suite for ongoing management, including remote firmware upgrades, configuration adjustments across groups of devices, real-time status monitoring, and troubleshooting tools, ensuring consistency and simplifying administration.

Uncompromised Audio Performance

Grandstream’s commitment to superior audio quality is evident in the GRP2603. It features full High-Definition (HD) audio support on both the handset and the integrated full-duplex speakerphone. Utilizing wideband codecs like G.722 and Opus (network permitting), the phone delivers rich, clear, and natural-sounding voice, enhancing comprehension and reducing call fatigue. To combat background distractions prevalent in many office environments, the GRP2603 incorporates noise shield technology, which intelligently filters out non-voice sounds, ensuring the user’s voice remains clear and prominent to the far-end listener.

Collaboration and Productivity Features

The GRP2603 facilitates teamwork with its built-in 5-way audio conferencing capability, allowing users to easily initiate and manage multi-party calls directly from the phone. Standard telephony features are extensive, including hold, transfer (attended/blind), forward, call park/pickup, call waiting, and support for advanced functionalities like shared call appearance (SCA) and bridged line appearance (BLA). The phone supports downloadable phonebooks (XML, LDAP) with a capacity of up to 2000 entries and maintains a call log of up to 800 records. Nine dedicated function keys provide quick access to essential features like messaging, transfer, hold, headset, mute, and speakerphone.

Carrier-Grade Security Foundation

Security is paramount in business communications. The GRP2603 is built with enterprise-level security features, including secure boot to verify firmware integrity, dual firmware images for reliable upgrades, and encrypted data storage. Network communications are protected using TLS for signaling encryption and SRTP for media (voice) encryption, preventing eavesdropping. Support for 802.1x ensures secure network access control.

User Comfort and Design

The phone features a professional design suitable for any modern office. It includes an RJ9 headset jack and supports Electronic Hook Switch (EHS) functionality with compatible wireless headsets from major brands (Plantronics, Jabra, Sennheiser), offering users the freedom of hands-free communication. The base stand offers two adjustable angle positions (39° & 45°) for optimal viewing comfort, and the phone is also wall-mountable (mount sold separately).

The Ideal Choice for Performance-Driven Essential Users in the UAE

For businesses and professionals in Dubai, Abu Dhabi, and across the UAE who need an essential IP phone that delivers higher capacity, faster network speeds, and enhanced usability, the GRANDSTREAM GRP2603 is an outstanding choice. Its combination of 6 SIP accounts, 3 lines, integrated Gigabit Ethernet, a clear backlit display, effortless GDMS management, HD audio, and robust security makes it a powerful and reliable communication tool. It provides a significant step up in performance and flexibility, perfectly suited for users and organizations operating in demanding, high-speed network environments. Choose the GRP2603 for a future-ready VoIP Phone UAE solution that boosts productivity and ensures clear, secure communication.

GRANDSTREAM GRP2603 Essential IP Phone – Specifications

  • Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6
  • Network Interfaces: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports (GRP2603), Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (GRP2603P)
  • Graphic Display: 132 x 64 (2.7’’) backlit graphical LCD display
  • Feature Keys: 3 line keys with dual-color LED and support for 6 SIP accounts, 4 XML programmable context sensitive soft keys, 5 (navigation, menu) keys. 9 dedicated function keys for: MESSAGE(with LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-
  • Auxiliary Port: RJ9 headset jack (allowing EHS with Plantronics & Jabra & Sennheiser headsets)
  • Voice Codecs and Capabilities: Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723, iLBC, OPUS, in-band and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB
  • Telephony Features: Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call-appearance(SCA)/bridged-line-appearance(BLA), downloadable phonebook(XML, LDAP, up to 2000 items), call waiting, call log(up to 800 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones and music on hold, server redundancy and fail-over
  • HD Audio: Yes, HD handset and speakerphone with support for wideband audio
  • Base Stand: Yes, 2 angle positions available (39° & 45°). Wall Mountable (*wall mount sold separately)
  • QoS: Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
  • Security: Ordinary user and administrator level passwords based on SHA-256 and SHA-256 sess authentication, SIP authentication algorithms based on SHA-256, SHA-256 sess, SHA-512/256, SHA-512/256 sess, MD5 sess. AES security profile, SRTP, TLS call encryption, 802.1x media access control.
  • Multi-language: English, Chinese, Korean, Japanese, German, Italian, French, Spanish, Portuguese, Russian, Croatian, and more
  • Upgrade/Provisioning: Firmware upgrade via FTP/TFTP / HTTP / HTTPS, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file
  • Power & Green Energy Efficiency:
    • Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA (GRP2603 Only)
    • PoE: IEEE802.3af Class 1, 3.84W; IEEE802.3az (EEE) (GRP2603P Only)
  • Temperature and Humidity: Operation: 0°C to 40°C, Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing
  • Package Content: GRP2603 phone, handset with cord, base stand, universal power supply(GRP2603 only), network cable, Quick Installation Guide
  • Physical:
    • Dimension: 214mm (L) x 206mm (W) x 68mm (H) (with handset)
    • Unit weight: 780g; Package weight: 1090g for GRP2603P & 1140g for GRP2603
  • Compliance: FCC: Part 15 Class B; FCC Part 68 HAC; CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1; RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004; IC: ICES-003; CS-03;

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