Grandstream GRP2624 8-Line Professional Carrier-Grade IP Phone
AIM Telecom provides troubleshooting and configuration support for this product to businesses across Canada and the USA. Contact us to confirm whether the issue can be handled by phone or requires on-site service.
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About this product
• The GRP2624 is a professional 8-line model designed with zero-touch provisioning for mass deployment and easy management. Its sleek design features a suite of next-generation technologies, including:
• 5-way voice conferencing to maximize productivity
• Integrated Wi-Fi and Bluetooth support
• Full HD audio on both the speaker and handset for utmost clarity
• EHS support for Plantronics headsets and USB support for Grandstream's GUV Series headsets
• The GRP2624 is compatible with the GBX20 Extension Module, which adds functionality, versatility, and flexibility with up to 40 contacts per module and support for up to 160 contacts by connecting 4 extension modules.
• Carrier-grade security features include secure boot, dual firmware images, and encrypted data storage. For cloud provisioning and centralized management, Grandstream's Device Management System (GDMS) provides a centralized interface to configure, provision, manage, and monitor deployments of Grandstream endpoints.
• Key features:
• 8 lines with 4 SIP accounts
• Supported by GDMS for centralized configuration and management
• Integrated Bluetooth for headset connectivity
• Full-duplex speakerphone with HD audio
• Noise shield technology to minimize background noise
• Dual switched autosensing Gigabit Ethernet ports with integrated PoE
• 5-way audio conferencing for easy conference calls
• Enterprise-level protection including secure boot and encrypted data storage
• Swappable faceplate for logo customization
• Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac
• Weight: 2.73 lbs
• Dimensions: 11.73 × 8.31 × 3.19 in
• Technical 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 with integrated PoE
• Graphic Display: 2.8-inch (320×240) TFT color LCD
• Wi-Fi: Yes, integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)
• Bluetooth: Yes, integrated
• Feature Keys: 8-line keys with up to 4 SIP accounts, XML programmable context sensitive softkeys, navigation/menu keys, dedicated function keys for various functions
• Auxiliary Port: RJ9 headset jack and USB port for Grandstream's GUV Series headsets and other USB headsets
• Voice Codecs and Capabilities: Support for G7.29A/B, 711µ/a-law, 726, 722 (wide-band), G723, iLBC, OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
• Telephony Features: Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call appearance/bridged-line-appearance, downloadable phonebook, call waiting, call log, XML customization of screen
• HD Audio: Yes, HD handset and speakerphone with support for wideband audio and dual microphone
• Extension Module: Yes, GBX20
• Base Stand: Yes, 2 angle positions available, 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, 1x media access control, secure boot
• Multi-language: English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, 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 adapter included with integrated PoE, max power consumption 9.5W (power adapter) or 10.8W (PoE)
• Temperature and Humidity: Operation: 0°C to 40°C, Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing
• Package Content: GRP2624 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license
• 5-way voice conferencing to maximize productivity
• Integrated Wi-Fi and Bluetooth support
• Full HD audio on both the speaker and handset for utmost clarity
• EHS support for Plantronics headsets and USB support for Grandstream's GUV Series headsets
• The GRP2624 is compatible with the GBX20 Extension Module, which adds functionality, versatility, and flexibility with up to 40 contacts per module and support for up to 160 contacts by connecting 4 extension modules.
• Carrier-grade security features include secure boot, dual firmware images, and encrypted data storage. For cloud provisioning and centralized management, Grandstream's Device Management System (GDMS) provides a centralized interface to configure, provision, manage, and monitor deployments of Grandstream endpoints.
• Key features:
• 8 lines with 4 SIP accounts
• Supported by GDMS for centralized configuration and management
• Integrated Bluetooth for headset connectivity
• Full-duplex speakerphone with HD audio
• Noise shield technology to minimize background noise
• Dual switched autosensing Gigabit Ethernet ports with integrated PoE
• 5-way audio conferencing for easy conference calls
• Enterprise-level protection including secure boot and encrypted data storage
• Swappable faceplate for logo customization
• Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac
• Weight: 2.73 lbs
• Dimensions: 11.73 × 8.31 × 3.19 in
• Technical 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 with integrated PoE
• Graphic Display: 2.8-inch (320×240) TFT color LCD
• Wi-Fi: Yes, integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)
• Bluetooth: Yes, integrated
• Feature Keys: 8-line keys with up to 4 SIP accounts, XML programmable context sensitive softkeys, navigation/menu keys, dedicated function keys for various functions
• Auxiliary Port: RJ9 headset jack and USB port for Grandstream's GUV Series headsets and other USB headsets
• Voice Codecs and Capabilities: Support for G7.29A/B, 711µ/a-law, 726, 722 (wide-band), G723, iLBC, OPUS, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
• Telephony Features: Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call appearance/bridged-line-appearance, downloadable phonebook, call waiting, call log, XML customization of screen
• HD Audio: Yes, HD handset and speakerphone with support for wideband audio and dual microphone
• Extension Module: Yes, GBX20
• Base Stand: Yes, 2 angle positions available, 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, 1x media access control, secure boot
• Multi-language: English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, 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 adapter included with integrated PoE, max power consumption 9.5W (power adapter) or 10.8W (PoE)
• Temperature and Humidity: Operation: 0°C to 40°C, Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing
• Package Content: GRP2624 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license
More product details
The Grandstream GRP2624 is a professional-grade IP phone designed for businesses that need reliable, multi-line communication without the complexity of a full-contact center terminal. With eight programmable line keys and support for four SIP accounts, it suits receptionists, managers, or anyone who handles multiple calls throughout the day. Its integrated Wi-Fi and Bluetooth give you flexibility in desk placement or headset use, but for voice quality and network stability, a wired Gigabit Ethernet connection with PoE is strongly recommended in a Toronto office environment where call reliability matters. The phone pairs naturally with Grandstream's GBX20 extension modules—up to four of them—letting you scale to 160 programmable contacts without swapping hardware. It's also a good match for hosted PBX services common among Canadian carriers, as its zero-touch provisioning and GDMS management make rollout painless across multiple desks. That said, the GRP2624 is overkill if you only need one or two lines; a simpler model would save cost. And while it's built for professional use, it lacks the dedicated programmable keys and advanced call-routing features of a purpose-built contact-center phone, so it's underpowered for a high-volume call center agent handling dozens of queues. For a standard office desk—especially one where multi-line handling, HD audio, and a sleek design matter—this phone hits a practical sweet spot.