Optional inter-communicability : Supports server standard protocol such as SIP/MGCP and so on.
Reverse voltage to support billing : High quality Bad Frame Interpolation
LAN port : 1 10/100BaseTX port (RJ-45 connector).
Call Processing : Voice
Support 5 CID standards: Bellcore1,Bellcore2, ETSI 1, ETSI 2 and NTT : Automatic input and output gain control
Call progress Tones and User Defined Tones generation : G.168-2000 compliant 128m sec lengthadaptive Echo Cancel
Update : You can choose different ways to update the software such as Http .FTP or series port to get new features of the products without changing the hardware.
DTMF detection : G.711 A Law, G.711 U Law, G729, G.723.1, LBC(optional)
WAN port : 1 WAN port
Configure and manage : Supports WEB/SNMP/Telnet/Console configuration methods