Part of the GRP series of Carrier-Grade IP Phones, the GRP2634 is a professional 8-line model designed with zero-touch
provisioning for mass deployment and easy management. It features a sleek design and a suite of next-generation features
including: 5-way voice conferencing to maximize productivity, integrated PoE & Wi-Fi, full HD audio on both the speaker and
handset to allow users to communicate with the utmost clarity, EHS support for Plantronics headsets and USB to support
Grandstream’s GUV Series Headsets. 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 GRP2634 is supported by Grandstream’s Device Management System (GDMS), which provides a
centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. With 32 Virtual
Multi-Purpose Keys (VPK) and 10 Multi-Purpose Keys (MPK), the GRP2634 is the perfect choice for busy professionals
and receptionists who need to manage high call volumes, with advanced functionality. Designed for easy deployment by
enterprises, service providers and other high-volume markets, the GRP2634 offers an easy-to-use and easy-to-deploy voice
endpoint.

Core Features:

8 lines, 4 SIP accounts
Supported by GDMS which provides a centralized interface
to configure, provision, manage and monitor Grandstream devices
RJ9 headset jack allowing EHS with Plantronics headsets, and integrated USB Headset support
Full-duplex speakerphone with HD audio to maximize audio quality and clarity
Equipped with noise shield technology to minimize background noise
Dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
Supports 5-way audio conferencing for easy conference calls
Enterprise-level protection including secure boot, dual firmware images, and
encrypted data storage
Swappable faceplate to allow for easy logo customization
Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz)

Weight	2.88 lbs
Dimensions	11.73 × 8.31 × 3.19 in
Brand	Grandstream
Phone Type	Desk, WiFi / WiFi Capable

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
10 MPK extension keys with paper slot
4 XML programmable context sensitive softkeys
5 navigation/menu keys
9 dedicated function keys for: 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 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 (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:

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:
- Input: 100-240V
- Output: +12V, 1A
- Integrated Power-over-Ethernet (802.3af)
- Max power consumption 9.5W (power adapter) or 10.8W (PoE)

Temperature and Humidity: