Yeastar neogate tg100 voip gateway quick specs:
channels: 1x gsm/cdma/umts.
switch port: lan 10/100base-t.
protocol support: sip, iax2.
audio codecs: g.711a/u-law, g.722, g.726, g.729a, gsm, adpcm, speex.
echo cancellation: yes.
management: web ui.
dimensions: 4.33" x 2.76" x 0.94"