197
message containing the SDP of the hold party. Music server
then streams music to hold party.
Enter server’s IP address in
Music Server
field, and specify
the port in
Music Server Port
.
4.6.3 VoIP functionality
This section describes how to use the functionality of DSL
router in more detail. Some features involve 2 or 3 parties. In
that case, note that all 3 parties have to be successfully
registered.
4.6.3.1 Registering
Before using any VoIP functionality, DSL router has to register
itself to a registrar. DSL router also has to be configured with a
proxy, which relays VoIP signaling to next hop. In fact, many
implementations integrate these two into one server, so in
many case registrar and proxy refer to the same IP.
Step 1
Select the right interface to use for registering,
depending on where proxy/registrar resides. If use
WAN link, make sure it is already up.
Step 2
Enter SIP proxy’s IP address or domain name in
SIP
domain name
field. Note if we use domain name, it
must be resolvable to proxy’s IP address.
Step 3
Select the
Use SIP Registrar
check box, and enter the
right value in IP/Port field.
Step 4
Enter the extension information:
Extension
,
Display
Name
,
Authentication
Name
and
Password
.
Authentication Name
and
Password
must be
pre-configured in registrar database.
Step 5
Click
Stop SIP client
(if VoIP application has been
started already), then
Start SIP client
to make above
settings take effect.
Step 6
VoIP LED should be on, indicating that SIP client is
successfully registered.
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