Description
Looking for a reliable 8-line desk phone that’s ready for real business use? The Grandstream GRP2624 gives your team professional performance with zero-touch provisioning through GDMS, integrated Wi-Fi 6, Bluetooth, and crystal-clear HD audio. It’s built for small businesses and enterprises that need fast setup, flexible connectivity, and solid call quality without the usual headaches. Whether you’re an IT director rolling out dozens of phones or a facilities manager equipping a busy reception area, this model keeps things simple and productive right from day one.
The Telecom Spot Take
As experts in telecom solutions, we know our customers—IT directors, facilities managers, and business owners—love phones that balance advanced features with easy deployment. The GRP2624 stands out with its GDMS support for zero-touch provisioning, swappable faceplates for custom branding, and expansion capabilities via GBX20 modules. It’s ideal for busy receptionists or high-call-volume teams who need reliable performance without the hassle. Plus, its enterprise-grade security keeps your calls protected. If you’re upgrading your VoIP system, this phone offers real-world benefits like reduced setup time and better audio quality that actually makes daily work smoother.
Key Features
- 8 lines and 12 SIP accounts — Manage multiple calls and extensions efficiently so receptionists and executives never miss important business conversations.
- Integrated dual-band Wi-Fi 6 (802.11a/b/g/n/ac/ax – hardware v5.0+) and Bluetooth — Connect wirelessly, sync contacts and calendars, and move phones easily without extra cabling.
- Full-duplex speakerphone with HD audio and Noise Shield technology — Enjoy crystal-clear sound on both ends while background noise stays out of the way.
- Dual switched Gigabit Ethernet ports with PoE — Plug in and power up with one cable; perfect for clean desk setups and reliable network performance.
- 5-way audio conferencing — Hold productive meetings right from your desk without extra equipment.
- Swappable faceplate — Customize with your company logo in seconds—great for service providers and branded office environments.
- Compatible with GBX20 Extension Modules — Add up to 4 modules for 160 programmable contacts, ideal for busy call handlers.
- GDMS cloud management — Zero-touch provisioning and centralized monitoring for entire fleets of phones—saves time and reduces support tickets.
- Enterprise-level security — Secure boot, dual firmware images, encrypted storage, SRTP, TLS, and 802.1x keep your calls protected.
Technical Specifications
| Category | Details |
|---|---|
| Protocols/Standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, 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 (802.3af) |
| Graphic Display | 2.8 inch (320×240) TFT color LCD |
| Wi-Fi | Integrated dual-band (2.4 GHz & 5 GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) – hardware version 5.0 and above |
| Bluetooth | Yes, integrated |
| Feature Keys | 8 line keys (up to 12 SIP accounts), 4 XML programmable context-sensitive soft keys, 5 navigation/menu keys, 9 dedicated function keys (MESSAGE with LED, TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL–) |
| Auxiliary Ports | RJ9 headset jack (EHS support for Plantronics headsets), USB port (supports Grandstream GUV Series and other USB headsets) |
| Voice Codecs | G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, OPUS; in-band and out-of-band DTMF |
| Telephony Features | Hold, transfer, forward, 5-way conference, call park, call pickup, SCA/BLA, phonebook (XML/LDAP, up to 2000 items), call log (up to 2000 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot desking, personalized ringtones, music on hold, server redundancy & fail-over |
| HD Audio | Yes – HD handset and full-duplex speakerphone with wide-band audio and dual microphone |
| Extension Module | Yes – GBX20 (up to 4 modules for 160 contacts) |
| Base Stand | Yes – 2 angle positions, wall-mountable (wall mount sold separately) |
| QoS | Layer 2 (802.1Q, 802.1P), Layer 3 (ToS, DiffServ, MPLS), 802.11e (WMM) |
| Security | User/admin passwords, MD5 & MD5-sess authentication, 256-bit AES encrypted config file, SRTP, TLS, 802.1x, 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 via GDMS/TR-069 or AES encrypted XML config file |
| Power & Efficiency | Universal 12V/1A adapter included; PoE (802.3af); max consumption 9.5W (adapter) or 10.8W (PoE); IEEE 802.3az Energy-Efficient Ethernet |
| Temperature & Humidity | Operation: 0°C to 40°C; Storage: -10°C to 60°C; Humidity: 10%–90% non-condensing |
| Dimensions & Weight | Unit: 220 × 210 × 82 mm; Unit weight: 880 g; Package weight: 1,260 g |
| Package Content | GRP2624 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license |
Frequently Asked Questions
What makes the GRP2624 easy to deploy at scale?
It’s fully supported by Grandstream’s free GDMS cloud platform for zero-touch provisioning, centralized management, firmware updates, and monitoring—perfect for IT teams handling many devices.
Does the GRP2624 work wirelessly?
Yes—integrated dual-band Wi-Fi 6 (hardware v5.0+) and Bluetooth let you connect without Ethernet cables and sync contacts/calendars easily.
Can I expand the number of contacts or line keys?
Absolutely. Connect up to four GBX20 extension modules for a total of 160 programmable contacts—great for receptionists and high-volume users.
Is it compatible with Power over Ethernet (PoE)?
Yes—dual Gigabit Ethernet ports include built-in 802.3af PoE, so you only need one cable for power and data.
What audio quality can I expect?
Full-duplex HD speakerphone and handset with Noise Shield technology deliver clear conversations even in louder office environments.
Is the GRP2624 secure for business use?
It includes enterprise-level protection: secure boot, dual firmware images, encrypted data storage, SRTP, TLS, and 802.1x.
Please see the Grandsteam GRP2624 Datasheet for more info!