Specifications
Interfaces
Trunk Interfaces:1/2/4/8/12/16E1/T1,BNC/RJ-48C
Network Interface:2*10/100M BASE-TX
maintenance interface ：RS-232,9600bps
Voice
Voice codec：G.711,G.723.1,G729AB,iLBC
Voice over packet Capabilities：32/64/128ms G,168 echo cancellation technology,VAD，CNG，PLC
Network Protocols: TCR/UDP,RTP/RTCP,HTTP,ARP/RARP,ICMP,DNS,NTP, TFTP,TELNET,FTP,SNMP
Call features
Call type: language/fax/data
DTMF：RFC2833,INBAND,SIP,Info
FAX over IP:T.38, Pass-Through. Up to 14.4 kbps
Call processing: Peer/Access, can be configured up to 2000 Dial rules
Routing methods:IP to PSTN, IP to IP，PSTN to PSTN to IP，support up to 255
Number transformation: the caller’s and the called’s number transformation, support up to 128
Principle and Protocol
PR1： ITU-T1.430,I,431,Q,931,ETSIQ.sig,AT&TPR1.Janpan T1
No. 7 signaling/SS7：ITU-TQ.721-Q.725,ITU-T Q.761~Q.764,Q.730. China and HK. No. 7 signaling
H.323： ITU-T H.323 V4
Interfaces
Trunk Interfaces:1/2/4/8/12/16E1/T1,BNC/RJ-48C
Network Interface:2*10/100M BASE-TX
maintenance interface ：RS-232,9600bps
Voice
Voice codec：G.711,G.723.1,G729AB,iLBC
Voice over packet Capabilities：32/64/128ms G,168 echo cancellation technology,VAD，CNG，PLC
Network Protocols: TCR/UDP,RTP/RTCP,HTTP,ARP/RARP,ICMP,DNS,NTP, TFTP,TELNET,FTP,SNMP
Call features
Call type: language/fax/data
DTMF：RFC2833,INBAND,SIP,Info
FAX over IP:T.38, Pass-Through. Up to 14.4 kbps
Call processing: Peer/Access, can be configured up to 2000 Dial rules
Routing methods:IP to PSTN, IP to IP，PSTN to PSTN to IP，support up to 255
Number transformation: the caller’s and the called’s number transformation, support up to 128
Principle and Protocol
PR1： ITU-T1.430,I,431,Q,931,ETSIQ.sig,AT&TPR1.Janpan T1
No. 7 signaling/SS7：ITU-TQ.721-Q.725,ITU-T Q.761~Q.764,Q.730. China and HK. No. 7 signaling
H.323： ITU-T H.323 V4
Main Products
Voice over IP