Grandstream GRP2604P 3-line Essential IP Phone
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07/11/2025
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£62.20 exc. VAT
Availability:In stock for next day delivery
Key Features
- 2.48" LCD display
- Integrated PoE
- 10 BLF keys
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SKU:GRP2604P
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Grandstream GRP2604P 3-line Essential IP Phone
The Grandstream GRP2604P is an essential 3-line model designed with zero touch provisioning for mass deployment and easy management. It features a sleek design and a suite of next generation features including: 5-way voice conferencing to maximize productivity, integrated PoE, full HD audio on both the speaker and handset to allow users to communicate with the utmost clarity, EHS support for Plantronics, Jabra, and Sennheiser headsets and multi-language support.
Grandstream GRP2604P Key Features
- 3 lines, 6 SIP accounts, up to 3 call appearances
- Supported by GDMS which provides a centralised interface to configure, provision, manage and monitor Grandstream devices
- Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets
- Full-duplex speakerphone with HD audio to maximise audio quality and clarity
- Equipped with noise shield technology to minimise background noise
- Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
- Supports 5-way audio conferencing for easy conference calls
- Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
- Swappable faceplate to allow for easy logo customisation
The GRP series includes carrier-grade security features to provide enterprise-level security, including secure boot, dual firmware images and encrypted data storage. For cloud provisioning and centralised management, the GRP2604 is supported by Grandstream’s Device Management System (GDMS), which provides a centralised interface to configure, provision, manage and monitor deployments of Grandstream endpoints. Built for the needs of on-site or remote desktop workers and designed for easy deployment by enterprises, service providers and other high-volume markets, the GRP2604 offers an easy-to-use and easy-to-deploy voice endpoint.
Grandstream GRP2604P Technical Specifications
Protocols/Standards
- SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR069, SNMP, 802.1x, TLS, SRTP, IPv6
Network Interfaces
- Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE (GRP2604P only)
Graphic Display
- 132 x 64 (2.48’’) backlit graphical LCD display
Feature Keys
- 3 line keys with dual-colour LED and support for 6 SIP accounts
- 4 XML programmable context sensitive soft keys
- 5 (navigation, menu) keys
- 10 BLF keys
- 8 dedicated function keys for: MESSAGE(with LED indicator), TRANSFER, 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
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, personalised music ringtones and music on hold, server redundancy and fail-over
HD Audio
- HD handset and speakerphone with support for wideband audio
Base Stand
- 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
- User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control, secure boot
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/TR069 or AES encrypted XML configuration file
Power & Green Energy Efficiency
- Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA;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
- GRP2604P phone
- Handset with cord
- Base stand
- 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;
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