According to the request of corporation,
industry and operator's voice service, CT-NG8000 is a trunk media gateway with
high performance price ratio and good protocol compatibility. CT-NG8000
implements the transformation between ISDN PRI signaling and H. 323, SIP
signaling, while transforming the media stream between PSTN carrying channel and
IP network.
CT-NG8000 supports the digital trunk E1/T1 interface adopting ISDN PRI signaling
at telephone network, and accomplishes the controlling and maintenance of the
users' call. It can be easily maintained and rapidly put into the use of
corporation and operator's construction of (NGN).
|
Model |
CT-NG8000 |
|
Available Port |
1-16E1 |
|
VoIP Channel |
30-480 |
|
E1
Interface |
BNC，RJ48（75/120Ω
balancing resistance
） |
|
Ethernet Port（RJ45） |
2x
10/100M
Base-T
Ethernet Port
|
|
Serial Port |
1x
RS232
Port（Console
Management） |
|
VoIP Protocol
|
H.323 V4, SIP(RFC3261), MGCP(RFC2705),
H.248(RFC3015) |
|
Signal |
ISDN PRI、NET5、ITU
PRI，CNNo1，CAS，QSIG，DSS1 |
|
Voice Coding |
G.723.1 (5.3K 6.4K b/S)、G.729
A/B(8Kb/s)、G.711
(64Kb/S) |
|
Fax Relay |
T.38、T.30 |
|
Voice Quality
|
TOS; Jiffer Buffer; VAD, CNG |
|
QoS |
IEEE 802.3
、IEEE
802.3u、IEEE
802.1q |
|
Management Features |
IP、NAT、ICMP、ARP、HTTP、BOOTP、FTP、TFTP、
DHCP、PPPOE、SNMP、Diff-Serv |
|
Echo Cancellation |
G.168
(64－128ms) |
|
Interoperability
|
Compatible with
CISCO、Nortel、Lucent
and majority VoIP Vendors |
|
Power input |
AC 90-256V
|
|
Max Power Output |
60W |
|
Dimension |
440mm×330mm×44mm |
|
Weight |
10KG |
|
