Dialogic
®
I-Gate
®
4000 Media Gateways
IP Telephony Media Gateways
Datasheet
6
DTMF Handling
DTMF tones transfer according to RFC2833
MGCP/H.248 — DTMF package support
Network Jitter Compensation
Adaptive jitter buffer up to 300 msec
Clear Channel
64 kbps (G.711), VAD OFF, EC OFF
RFC4040 Clear Mode
Signaling
Compressed Common Channel Signaling, using SCTP to carry the signaling over IP
ISDN support: ISDN-PRI though IUA SIGTRAN Protocol (RFC3057)
Embedded Cross-Connection
Any-DS0 to any-DS0
Operator-configurable
Security
Embedded firewall
Access list
IP Sec protocol (RFC2401)
Quality of Service
End-to-end compression quality protection
QoS protection control mechanism — Operator-configurable threshold
DiffServ (TOS field)
ITU Q.50 Interface protocol
TDM Interfaces
E1 complying with ITU G.703 and G.704
T1 complying with ITU G.703 and G.704
IP Protocols
IPv4
RTP (RFC3550)
RTCP (RFC3551)
SNMPv2 (RFC1907)
FTP (RFC959)
SNTP (RFC2030 v4)
IP (RFC791)
UDP (RFC768)
