| Protocols/Standards |
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS(A
record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR069, SNMP, 802.1x, TLS, SRTP, IPv6 |
| Network Interfaces |
Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE
(GRP2603P only) |
| Graphic Display |
132 x 64 (2.48’’) backlit graphical LCD display |
| Feature Keys |
3 line keys with dual-color LED and support for 6 SIP accounts, 4 XML
programmable context sensitive soft keys, 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 & Jabra &Sennheiser headsets) |
| Voice Codecs and Capabilities |
Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723,iLBC, OPUS,
in- band and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC,
AGC |
| Telephony Features |
Hold, transfer, forward, 5-way conference, call park, call pickup, shared-callappearance(SCA)/bridged-line-appearance(BLA), downloadable phonebook(XML,
LDAP, up to 2000 items), call waiting, call log(up to 800 records), 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 |
| Base Stand |
Yes, 2 angle positions available (39° & 45°), Wall Mountable (*wall mount sold
separately) |
| QoS |
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS |
