HD Voice
Up to 4 Extension accounts
3.5” 480 x 320 pixel Graphical LCD with Backlight
Dual‐port Gigabit Ethernet
Supports 4 SIP Accounts and Three-way Calling
Safe and Reliable
SIP v1(RFC2543),v2(RFC3261)
SIP over TLS,SRTP
HTTP/HTTPS/FTP/TFTP
ARP/RARP/ICMP/NTP/DHCP
DNS SRV/A Query/NATPR Query
STUN,Session Timer(RFC4028)
DTMF:In‐Band,RFC2833,SIP INFO
Easy Management
Auto upgrade/Configuration
Configuration via HTTP/HTTPS web
Configuration via device button
SNMP
TR069
Network capture
Features
HD Voice
Software upgrade via web
Configuration via HTTP/HTTPS web
Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP
Phonebook: 500 Groups
Three‐way Calling
Echo Cancellation/Dynamic Jitter
Narrowband Codec: PCMA, PCMU, G.729, G723_53, G723_63, G726_32
Wideband Codec: G.722
Music On‐hold, Intercom, Multicast
SMS, Voicemail, MWI
Call Waiting
4 SIP Accounts
3.5”Color TFT Display with High Resolution