Description

GRANDSTREAM GRP2604: Mastering Call Control with Integrated BLF/Speed Dial Keys in the UAE

In the dynamic business environments of Dubai, Abu Dhabi, and across the United Arab Emirates, efficiency in communication often hinges on quick access to colleagues and frequently used features. The GRANDSTREAM GRP2604 Essential IP Phone is specifically designed to address this need, building upon the solid, high-performance foundation of the GRP2603 by incorporating 10 integrated multi-purpose extension keys. These keys, combined with the phone’s support for 3 lines, 6 SIP accounts, dual Gigabit Ethernet ports, and a clear backlit display, create a powerful workstation for users who require enhanced call management capabilities. Ideal for receptionists, administrative staff, team leaders, and sales professionals, the GRP2604 streamlines workflows and boosts productivity through intuitive, one-touch access and visual presence monitoring, all managed seamlessly via the GDMS cloud platform.

The Key Differentiator: 10 Multi-Purpose Extension Keys

While sharing the core architecture of the GRP2603 (Gigabit ports, 6 SIP accounts, 3 lines), the GRP2604’s defining feature is the bank of 10 programmable keys located alongside the main display. Each key features a dual-color LED (typically red/green) and can be configured for various functions, primarily:

1. Busy Lamp Field (BLF): When configured as BLF keys, they monitor the real-time status (idle, ringing, busy) of other extensions within the organization. The LED provides an instant visual cue – green for idle, flashing red for ringing, solid red for busy. This allows users like receptionists or team members to see colleague availability at a glance before transferring calls or initiating communication, significantly improving call handling efficiency and reducing unnecessary interruptions. This is particularly valuable in collaborative UAE workplaces.
2. Speed Dial: Keys can be programmed for one-touch dialing of frequently called internal extensions or external numbers. This saves time compared to manually dialing or searching through directories, boosting productivity for users who regularly contact the same set of people.
3. Other Feature Access: Depending on the PBX system’s capabilities, these keys might also be programmable for other functions like call park/pickup, intercom, or feature codes, providing quick access to commonly used system features.

The inclusion of these 10 dedicated keys transforms the Grandstream GRP2604 from a standard essential phone into a more specialized call handling tool, directly addressing the needs of users whose roles involve significant call management or frequent interaction with specific contacts.

Leveraging Gigabit Speed and Expanded Capacity

The Grandstream GRP2604 retains the essential performance features that make the GRP260x series compelling for modern UAE businesses:

• Dual Gigabit Ethernet Ports: Ensures maximum network throughput for both the phone and a connected PC, eliminating bottlenecks and supporting high-speed data transfer alongside crystal-clear voice calls.
• 6 SIP Accounts / 3 Lines: Provides ample capacity for managing multiple calls, shared lines (SCA/BLA), or distinct SIP identities, catering to users with moderate to high call volumes.
• 7-inch Backlit LCD: Offers a clear and readable display for caller ID, call status, BLF/speed dial labels, and menu navigation, enhanced by backlighting for visibility in various lighting conditions.

Seamless Management with GDMS

Like its siblings, the GRP2604 integrates fully with the Grandstream Device Management System (GDMS). This cloud platform is crucial for efficient deployment and management, especially for businesses with multiple locations across the UAE. Zero-touch provisioning allows phones to be configured centrally and automatically provisioned upon connection, saving significant time and IT resources. GDMS provides a unified interface for firmware updates, configuration changes, device monitoring, and remote troubleshooting, ensuring consistency and simplifying the administration of the entire phone fleet, including the specific programming of the BLF/speed dial keys.

Superior Audio Performance for Professional Communication

Clear communication is non-negotiable. The Grandstream GRP2604 delivers exceptional audio quality through its support for HD audio on both the handset and the full-duplex speakerphone. Wideband codecs (G.722, Opus) capture a broader range of audio frequencies, resulting in richer, more natural-sounding voice. Integrated noise shield technology actively works to minimize background distractions, ensuring that conversations remain clear and professional, even in potentially noisy open-plan offices common in Dubai and Abu Dhabi.

Collaboration and Productivity Tools

The Grandstream GRP2604 supports 5-way local audio conferencing, enabling easy setup of group calls directly from the phone. It includes a full suite of standard telephony features like hold, transfer, forward, call park/pickup, and call waiting. The phone supports downloadable phonebooks (XML, LDAP up to 2000 entries) and maintains an extensive call log (up to 800 records). Eight dedicated function keys provide quick access to core features like messaging, transfer, hold, headset, mute, and speakerphone control.

Robust Security for Peace of Mind

Enterprise-grade security is built into the GRP2604. Features like secure boot, dual firmware images, encrypted data storage, TLS signaling encryption, and SRTP media encryption protect against unauthorized access and eavesdropping, ensuring the confidentiality and integrity of voice communications – a critical consideration for all UAE businesses.

Designed for the User

The GRP2604 features a professional design with practical considerations. It includes an RJ9 headset jack and supports EHS for compatible wireless headsets (Plantronics, Jabra, Sennheiser), offering hands-free flexibility. The base stand provides two angle options (39° & 45°) for ergonomic viewing, and the phone can be wall-mounted if desired (mount sold separately). Labels for the BLF/speed dial keys are typically included or can be easily created.

The Essential Choice for Enhanced Call Control in the UAE

For users in Dubai, Abu Dhabi, and throughout the UAE whose roles demand efficient call handling, presence monitoring, and rapid access to contacts, the GRANDSTREAM GRP2604 is the superior essential IP phone. By adding 10 versatile multi-purpose keys to the already strong foundation of 6 SIP accounts, Gigabit Ethernet, and easy GDMS management, the GRP2604 significantly enhances productivity and streamlines workflows. It represents the ideal VoIP Phone UAE solution for reception areas, administrative support staff, team leaders, and any professional who benefits from enhanced call control features combined with carrier-grade reliability and performance.

GRANDSTREAM GRP2604 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 (GRP2604), Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (GRP2604P)
• 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, 10 BLF/speed-dial keys. 8 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 (GRP2604 Only)
  • PoE: IEEE802.3af Class 2, 3.84W-6.49W; IEEE802.3az (EEE) (GRP2604P Only)
• Temperature and Humidity: Operation: 0°C to 40°C, Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing
• Package Content: GRP2604 phone, handset with cord, base stand, universal power supply (GRP2604 only), network cable, Quick Installation Guide, BLF Lables
• Physical:
  • Dimension: 214mm (L) x 206mm (W) x 68mm (H) (with handset)
  • Unit weight: 790g; Package weight: 1100g for GRP2604P & 1150g for GRP2604
• 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;