Yealink VC400, Administrator'S Manual

Page: 141 / 299

Configuring Call Preferences
125
Parameter Description Configuration Method
both sites, the VC400/VC120 can call
the far site by dialing an IP address
directly.
Transport
Configures the type of transport
protocol for the SIP IP call.

UDP
—provides best-effort
transport via UDP for SIP
signaling.

TCP
—provides reliable
transport via TCP for SIP
signaling.

DNS-NAPTR
—performs the
DNS NAPTR and SRV queries
for the service type and port if
no server port is given.
Default:
TCP
Remote Control
Web User Interface
To configure SIP IP call via web user interface:
1.
Click on
Account->SIP IP Call
.
2.
Select the desired value from the pull-down list of
SIP IP Call Enable
.
3.
Select the desired value from the pull-down list of
Transport
.
4.
Click
Confirm
to accept the change.
To configure SIP IP call via the remote control:
1.
Select
Menu
->
Advanced
(default password: 0000)->
SIP IP Call
.
2.
Select the desired value from the pull-down list of
SIP IP Call Enable
.