Product Description
Supports SIP 2.0. Supports TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP, NTP, PPPoE. STUN, TFTP protocols
Supports NAT, DMZ and port forwarding.
Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality, suit with the control of audio flutter and concealment technology anti-lost message.
Supports codes G711(A-law and U-law), G. 723.1 (5.3K/6.3K), , G. 726(40K/32K/24K/16K), G. 729A/B, and iLBC
Supports standard voice features such as Caller ID Display or Block, Call Waiting, Hold, Transfer Forward, FLASH, in-band and out-of-band DTMF, Dial Plans.
Supports three way call
Supports silence suppression and check VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G. 168), and AGC (Automatic Gain Control)
Supports auto-crossing firewall (NAT) but without changeable to setting.
Supports configuration by web browser, TFTP or HTTP central server to remote configuration.