function keys for: MESSAGE(with LED indicator), TRANSFER, HEADSET, HOLD,MUTE,
SEND/REDIAL, SPEAKERPHONE, VOL+, VOL
Voice Codec
Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band), G723, iLBC, OPUS, inband and out-
of-band DTMF(in audio, RFC2833, SIP INFO)
Auxiliary Ports
RJ9 headset jack allowing EHS with Plantronics headsets, USB to support Grandstream’s GUV
Series headsets and other USB headsets
Telephony Features
Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call
appearances(SCA)/bridged-line-appearance(BLA), downloadable phonebook(XML,
LDAP, up to 2000 items), call waiting, call log(up to 2000 records), XML customization of the
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. Dual Microphone.
Extension Module Yes
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, 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)
Max power consumption 3.2W(power adapter) or 4.3W(PoE)
Temperature and Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10% to 90% non-condensing
Package Content
GRP2636 phone, handset with cord, phone stand, 12V power adapter, network cable,
Quick Installation Guide, GPL license
Physical
Dimension: 220mmx 210mmx 82mm
Unit Weight: 880g ; Package Weight:1260g
Compliance
FCC: FCC Part 15 Class B; FCC Part 15 Subpart C,15.247; FCC Part 15 Subpart E,15.407;
FCC Part 68 HAC.
CE: ETSI EN 301 893; ETSI EN 301 489-1/-17; ETSI EN 300 328; EN IEC 62311; EN
55032; EN 55035; EN 62368-1.
IC: RSS-247 Issue 2; RSS-Gen Issue 5; ICES-003 Issue 7; CS-03, Part V.
RCM: AS/NZS CISPR32; AS/NZS 4268; AS/NZS 2772.2; AS/NZS 62368.1; AS/CA S004.
UKCA: ETSI EN 301 893; ETSI EN 301 489-1/-17; ETSI EN 300 328; BS EN IEC 62311; BS
EN 55032; BS EN 55035; BS EN 62368-1.
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