Brand: yeastar
number of gsm channels (max):4
network type:850/900/1800/1900mhz
protocol:sip (rfc3261), iax2
transport protocol:udp,tcp,tls,srtp
dtmf:rfc2833, sip info, in-band
codec:g.711 a/u-law, g.722, g.726, g.729a, gsm, adpcm, speex
echo cancellation:itu-t g.168 lec
lan:1 (10/100 mbps)