User's Manual

117
SIP Device Parameters
This section provides easy setup for your VoIP service. Phone port 1 and 2 can be registered to
different SIP Service Provider.
SIP Device Parameters
SIP: To use VoIP SIP as VoIP call signaling protocol. Default is set to Disable.
Silence Suppression (VAD): Voice Activation Detection (VAD) prevents transmitting the nature
silence to consume the bandwidth. It is also known as Silence Suppression which is a software
application that ensures the bandwidth is reserved only when voice activity is activated. Default is
set to Enable.
Echo Cancellation: G.168 echo canceller is an ITU-T standard. It is used for isolating the echo
ZKLOH\RXDUHRQWKHSKRQH7KLVKHOSV\RXQRWWRKHDUPXFKRI\RXURZQYRLFHUHÀHFWLQJRQWKH
phone while you talk. Default is set to Enable.
RTP Port: Provide the based value from the media (RTP) ports that are assigned for various
endpoints and the different call sessions that may exist within an end-point. (Range from 5100 to
65535, default value is 5100)
Region: This selection is a drop-down box, which allows user to select the country for which the
9R,3GHYLFHPXVWZRUN:KHQDFRXQWU\LVVHOHFWHGWKHFRXQWU\SDUDPHWHUVDUHDXWRPDWLFDOO\
loaded.
Voice QoS, DSCP Marking: 'LIIHUHQWLDWHG6HUYLFHV&RGH3RLQW'6&3LWLVWKH¿UVWELWVLQ
WKH7R6E\WH'6&30DUNLQJDOORZVXVHUVWRDVVLJQVSHFL¿Fapplication WUDI¿Fto be executed in
priority by the next Router based on the DSCP value. See Table 4. TKH'6&30DSSLQJ7DEOH
Note: To be sure the router(s) in the backbones network have the capability in executing and
checking the DSCP through-out the QoS network.