Landline Phone Grandstream GRP2624 – 8-Line Professional IP Phone with Wi-Fi, Bluetooth & PoE
The Landline Phone Grandstream GRP2624 is built for professionals and enterprise-level communication. With 8 lines and support for 6 SIP accounts, it enables efficient call handling in high-demand environments.
A 2.8-inch color LCD display and 4 programmable XML soft keys offer a clean interface and customizable functionality. The HD audio system ensures clear sound on handset, speaker, and headsets.
Connectivity is enhanced with dual Gigabit Ethernet ports with PoE, integrated dual-band Wi-Fi (2.4GHz & 5GHz), and Bluetooth support for headsets, contact sync, and calendar integration.
The GRP2624 is compatible with Grandstream’s GBX20 extension module, allowing up to 160 contacts using 4 modules. The GDMS (Grandstream Device Management System) enables centralized configuration, provisioning, and monitoring.
Security is built-in with TLS, SRTP encryption, dual firmware images, and secure boot. For added versatility, it offers EHS support, a USB port, and a swappable faceplate for custom branding.
Ideal for mass deployments, the GRP2624 landline phone combines advanced features, enterprise-grade protection, and flexible setup—perfect for growing businesses.
| Feature | Details |
|---|
| 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 6 SIP accounts, 4 XML programmable context-sensitive softkeys, 5 navigation/menu keys, 9 dedicated function keys: MESSAGE (with LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL- |
| Auxiliary Port | RJ9 headset jack allowing EHS with Plantronics headsets, USB to support Grandstream’s GUV Series headsets and other USB headsets |
| Voice Codecs and Capabilities | Support for G.729A/B, G.711µ/a-law, G.726, G.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 (SCA)/bridged-line-appearance (BLA), downloadable phonebook (XML, LDAP, up to 2000 items), call waiting, call log (up to 2000 records), XML customization of screen, 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, 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), 802.11e (WMM) 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 |





































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