4
1.
Product overview
1.1. Main function
1.1.1. Networking
. Integration of the two ports router, you can configure the appropriate use of
their small local area network;
. support three ways configured WAN IP, they are: static (LAN static allocation),
DHCP (dynamic access to LAN) and PPPoE (ADSL access dynamic way);
. WAN can support the analytical domain DNS SRV;
. connected to the LAN to provide small LAN DHCP services;
.connected to the LAN of the small LAN to provide NAT services;
.connected to the LAN to provide small LAN firewall control;
. connected to the LAN mouth
of the small LAN to provide optional
communications priority;
. offer a bridge model,as it can be used as a small switch;
. support the second layer QoS (802.1p);
1.1.2.Basic calling feature
.Support SIP2.0
.support of the main backup server automatically switch
.use RTP and RTCP for voice communication;
.use advanced digital signal processing (DSP) technology to ensure
high-definition voice quality;
.use advanced buffer control technology to prevent large packet delay
and loss;
. support a variety of popular voice codecs, they are G711 (Alaw64K/Ulaw64K),
G.723 (r53/r63), G.729;
.support DTMF band and out-of-band transmission;
.support a number of countries and regions in the ring;
1.1.3. Advanced calling features
.support STUN and NAT penetration;
.use private agents to provide convenience of communication with managers.
.support voice, the voice prompts, caller ID, call waiting, call forwarding,