Name
VoIP FXS FXO Gateway NC-MG640
Interfaces
FXO for CO line and FXS for Extension
Concurrent calls
64 or 128 concurrent calls per unit
Slot for Analog User Card
4 slots for Analog User Card
Analog user card
16 ports FXO+FXS
Ports
Up to 64 ports FXO/FXS
Work Mode
Work as both gateway and IP PBX at same time
SIP Protocol
SIP 2.0 RFC3261
SIP Subscriber
Up to 500 SIP subscribers
Voice Codec
G.711, G.729, G.726, G.723, etc