Name
Cheap HX4 ATA VoIP Gateway for SOHO Mobile office
Keywords
Cheap VoIP Gateway,ATA,mini
SIP protoco
RFC3261 RFC3262 RFC3264 RFC3311 RFC3515 RFC3581 RFC3966 RFC4028
FXS
Polarity reversal generation
FXO
Relay to FXS extension
Codec/FAX/RTP
G.711ALaw, G.711ULaw, G.729 (Note1) and G.729B (Note1)
Call control
Call forward on no answer
Security
SIP/RTP/TELNET/HTTP/TFTP port