China (Mainland) SIP ATA is a Telecommunications product. Key specs — Origin: China (Mainland).
Product Description
Specifications: Key Features Support SIP20 TCP/UDP/IP RTP/RTCP ICMP ARP/RARP DNS DHCP (both client and server) NTP PPPoE TFTP etc Built-in router NAT and Gateway Powerful digital signal processing (DSP) to ensure superb audio quality Advanced adaptive jitter control and packet loss concealmenttechnology Ultra compact (wallet size) and lightweight design, great companionfor travelers Support various voice codes including G711 A-/U-law G7231 G729A/B G726 Support Caller ID/Name display or block Hold Call Waiting CallTransfer Call Forward Flash Three-Way Conferencing (pending) Support customizable ring tone (pending) Fax pass through and T38 (pending) Support silence suppression and VAD AGC and echo cancellation (G168) Support standard encryption and authentication (DIGEST using MD5 and MD5-sess) Support layer-2 (8021Q VLAN 8021p) and layer-3 (DiffServ ToS) QoS Support automated NAT traversal without manual manipulation of firewall/NATSupport remote automated provisioning and software upgrade even through firewall/NAT toenable zero configuration and plug-and-dial for end usersSupport device configuration via built-in IVR Web browser or Central configuration fileSupport DNS SRV Look UpSIP Server Fail Over (pending) Port 2s Wan LAN Power Key Reset
