call hold;

Unattended/ attended call transfer

call waiting and per call-waiting blocking

call forward (Always, busy, no answer, power off)

voip speed dial

VoIP digital map

user define ring tone

E.164 dial plan and customize dial rules

caller number/name display

voice promote

configurable jitter buffer size

configurable audio frame

data features

Static/Dynamic WAN-IP-Addressing

PPPoE

Interfaces,Support H.323,SIP,MGCP

2 X LAN