GRP261X User Guide
Version 1.0.5.33
Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported,
voice codecs, telephony features, languages and upgrade/provisioning settings for the GRP261X series.
Table 3: GRP2612/GRP2612P/GRP2612W Technical Specifications
SIP RFC3261, TCP/IP/UDP, RTP/RTCP/RTCP-XR, HTTP/HTTPS, ARP, ICMP,
DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, FTP/FTPS, NTP,
STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6
Dual switched auto-sensing 10/100 Mbps Ethernet ports, with integrated PoE
(only GRP2612P/GRP2612W)
2.4 inch (320x240) TFT color LCD
4 line keys with up to 2 SIP accounts, 4 programmable contexts sensitive
Softkeys, 5 navigation/menu keys, 9 dedicated function keys for: MESSAGE (with
LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOLUME+, VOLUME-
Support for G.729A/B, G723.1, G.711µ/a-law, G.726, G.722 (wide-band), ILBC,
OPUS and in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
RJ9 headset jack (allowing EHS with Plantronics headsets)
Hold, transfer, forward, 3-way conference, call park, call pickup, shared-call-
appearance (SCA), bridged-line-appearance (BLA), downloadable phonebook
(XML, LDAP, up to 1000 items), call waiting, call log (up to 2000 records),
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
Yes, both on handset and full-duplex handsfree speakerphone
Yes, allow 2 angle positions
Layer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
User and administrator level passwords, MD5 and MD5-sess based
authentication, AES based secure configuration file, SRTP, TLS, 802.1x media
access control
English, Arabic, Chinese, Croatian, Czech, Dutch, German, French, Hebrew,
Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Slovenia,
Spanish, Turkish
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