Place of Origin
Jiangsu, China
Protocol
SIP(RFC3261) UDP, TCP for Microsoft Lync
Mounting mechanism
m: Busy tone, Polarity reversal/wink, Loop current
Log management
8 levels, Syslog
QoS
DiffServ, TOS, 802.1P/Q VLAN tagging
Auto provision
TFTP, FTP, HTTP, DHCP option 66
Dimensions
30 *150 *109 mm