Grandstream Landline Phone GRP2616 – 6-Line Professional IP Phone with Dual Displays, Wi-Fi & Bluetooth
The Landline Phone Grandstream GRP2616 is a high-performance IP phone designed for professional and enterprise use. With 6 lines and support for 6 SIP accounts, it is ideal for businesses managing multiple communications simultaneously.
It features a 4.3-inch color LCD and an additional 2.4-inch display, providing an intuitive and modern interface. The phone supports 48 virtual multi-purpose keys (VPKs) and dual-color line keys, improving workflow and visibility for busy professionals.
Experience crystal-clear calls with HD audio on both handset and speakerphone. The GRP2616 includes integrated dual-band Wi-Fi (2.4GHz & 5GHz), Bluetooth connectivity, and dual Gigabit Ethernet ports with PoE, offering flexible installation and seamless connectivity.
This landline phone is equipped with enterprise-grade security features, including secure boot, SRTP/TLS encryption, and encrypted data storage. The swappable faceplate allows easy branding, making it ideal for deployment across large teams.
Easily manage and configure the GRP2616 using Grandstream Device Management System (GDMS) for mass provisioning, monitoring, and centralized control. USB and RJ9 ports support wired and wireless headsets, while EHS compatibility enhances hands-free use.
Whether for a small team or a large business, the Grandstream GRP2616 is a reliable, scalable, and secure landline phone that meets professional demands.
Feature | Details |
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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 |
Bluetooth | Yes, integrated |
Wi-Fi | Yes, integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4GHz & 5GHz) |
USB | Yes |
Graphic Display | 4.3 inch (480×272) TFT color LCD, 2.4 inch (240×320) additional screen |
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), VAD, CNG, AEC, PLC, AJB, AGC |
Telephony Features | Hold, transfer, forward, 3-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 |
Feature Keys | 6 dual-color line keys with up to 6 SIP accounts (can be digitally programmed as up to 24 provisionable BLF/fast-dial keys), 5 XML programmable context-sensitive soft keys, 5 navigation/menu keys, 10 dedicated function keys: MESSAGE (with LED indicator), PHONEBOOK, TRANSFER, CONFERENCE, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL- |
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 |
Auxiliary Ports | RJ9 headset jack (allowing EHS with Plantronics headsets), USB |
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, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more |
Upgrade/Provisioning | Firmware upgrade via FTP/TFTP/TFTPS/HTTP/HTTPS, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file |
Power & Green Energy Efficiency | Universal power adapter included: Input: 100-240V Output: +12V, 1A Integrated Power-over-Ethernet (802.3af) IEEE 802.3az Energy-Efficient Ethernet Max power consumption: 6.1W (power adapter) or 7.8W (PoE) |
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