Compliant with IETF SIP standards
Well compatibility with well-known IP-PBX (Micronet SP5211, Asterisk, Siemens, Alcatel, Lucent and NEC)
User-friendly function buttons
Support Call forward (Busy, No-Answer and Unconditional)
Support call waiting / call hold / call transfer (attended / unattended )
Support call conference/ DND
Support call pickup
Call details list and MWI (message waiting indicator)
Support outbound proxy and STUN for NAT traversal
Support QoS to ensure voice quality
TFTP support for firmware upgrade
Support static IP, PPPoE and DHCP
Cost-effective, suitable for pure VoIP environment
Support G.711A/μ-law, and G.729 codecs