Voip Gateway 4e1/pri

Following are the Main Features of VoIP Gateway 4E1/PRI :-
- OS LINUX
- Asterisk SW
- SIP signalling RFC 3261
- 4E1 - ISDN DSS1 signalling
- AOC (charging pulses)
- 48 or 64 simultaneous calls (G.711)
- max. 16 or 32 simultaneous calls (G.726, G.729 a b, G.723.1)
- echo cancellation G.165 / G.168 - 2004 up to 128 ms
- Fax over IP support, including T.38
- internal timeslots crossconnect for TDM - TDM calls
- patented robust jitter bufer
- DTMF generation and detection
- call progress tone generation (dial, busy, ...)
- carrier tone generation and detection
- caller ID generation and detection
- silence detection / suppression and comfort noise generation
- announcement playback
- voice mail
- remote management CLI - SSH
- SNMP protocol
- basic data routing
- QoS
- 2x Ethernet 10/100 BT or 1x10/100 BT and 1x10/100 FX, auto MDIX option
- USB 1.1 host port
- terminal port V.24(RS232) RJ 45
- SD card
- configuration SW: text and graphic mode UDP, TCP/IP
- mechanical assembly: 1U 19"