Protocols/Standards
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
Network Interfaces Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports with integrated PoE
Graphic Display 2.8 inch (320×240) TFT color LCD – 2.4 inch MPK color LCD
Bluetooth Yes, Bluetooth version 5
Wi-Fi Yes, dual-band
Feature Keys
4 line keys with up to 4 SIP accounts, 24 speed-dial/BLF extension keys with dual-color LED,
4 programmable contexts sensitive Softkeys, 5 navigation/menu keys, 11 dedicated function
keys for: MESSAGE (with LED indicator), PHONEBOOK, TRANSFER, CONFERENCE,
HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOLUME+, VOLUME-
Voice Codec
Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), OPUS, iLBC and in-band
and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Auxiliary Ports RJ9 headset jack (allowing EHS with Plantronics headsets).
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), 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, both on handset and full-duplex handsfree speakerphone
Base Stand Yes, allow 2 angle positions
Wall Mountable Yes, (*wall mount sold separately)
QoS Layer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 & MD5-sess based authentication, AES based
secure configuration file, SRTP, TLS, 802.1x media access control
Multi-language LCD Language: English 简体中文 (Simplified Chinese) ﺔﯿﺑﺮﻌﻟا (Arabic) Català (Catalan)
Čeština (Czech) Deutsch (German) Ελληνικά (Greek) Español (Spanish) Français (French)
תירבע (Hebrew) Hrvatski (Croatian) Magyar (Hungarian) Italiano (Italian) 日本語 (Japanese)
한국어 (Korean) Latviešu valoda (Latvian) Nederlands (Dutch) Polski (Polish) Português
(Portuguese) Русский (Russian) Svenska (Swedish) Slovenščina (Slovenian) Slovenčina
(Slovak) Türkçe (Turkish) Українська (Ukrainian) 正體中文 (Traditional Chinese)
WebUI Language: English 简体中文 (Simplified Chinese) ﺔﯿﺑﺮﻌﻟا (Arabic) Čeština (Czech)
Deutsch (German) Español (Spanish) Français (French) תירבע (Hebrew) Hrvatski (Croatian)
Magyar (Hungarian) Italiano (Italian) 日本語 (Japanese) 한국어 (Korean) Nederlands