The GRP2616 is a high-end carrier-grade IP phone designed with zero-touch provisioning for mass deployment and easy management. It supports 6 lines and 6 SIP accounts while featuring a sleek design and a suite of next-generation features including integrated Wi-Fi, Bluetooth support, 48 virtual multi-purpose keys (MPKs), dual Gigabit ports and more. This device features a 4.3 inch color LCD screen with swappable faceplates to allow for easy logo customization and an additional 2.4 inch display screen. 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 centralized management, the GRP2616 is supported by Grandstream’s Device Management System (GDMS), which provides a centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. Built for the needs of busy desktop workers and designed for easy deployment by enterprises, service providers and other high-volume markets, the GRP2616 offers an easy-to-use and easy-to-deploy voice platform.

Core Features:

HD audio, handset and speakerphone with support for wide-band audio
6 line keys with up to 6 SIP accounts
Dual LCD screens with digital BLF Keys
Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi
Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
Swappable faceplates to allow for easy logo customization
Integrated Bluetooth

Weight	3.6 lbs
Dimensions	14 × 11 × 4 in
Brand	Grandstream

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)
Graphic Display: 4.3 inch (480×272) TFT color LCD, 2.4 inch (240×320) additional screen
Voice Codecs and Capabilities: Support for G7.29A/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

For a full list of specifications, please refer to the product datasheet