• mobile : 8 x gsm/cdma/umts channel
• gsm frequency: 850/900/1800/1900 mhz
• umts frequency : 850/1900 mhz, 850/2100 mhz, 900/2100 mhz
• cdma frequency: 800 mhz
• protocol: sip, iax2
• transport: udp, tcp, tls, srtp
• voice codec: g.711 (alaw/ulaw), g.722, g.726, g.729a, gsm, adpcm, speex
• echo cancellation: itu-t g.168 lec
• dtmf mode: rfc2833, sip info, in-band
• calling type: termination (voip to gsm/cdma/umts), origination (gsm/cdma/umts to voip)
• lan: 1 x 10/100base-t ethernet
• network protocol: ftp, tftp, http, https, ssh