GL-VP-620x User Manual
Copyright © 2009-2011 GigaLink
Page 34 of 45
messages.
If the NAT Traversal field is set to
“Yes”
with no specified
STUN server
, the GL-VP-620x will periodically (every 20
seconds or so) send a blank UDP packet (with no
payload data) to the SIP server to keep the
“hole” on the
NAT open.
If your home or office router can act as a UPNP server, you
can
select “UPNP” option for NAT traversal.
Use DNS SRV:
Default is
No
.
If set to
“Yes” the client will use DNS SRV to look up
server.
User ID is Phone
Number
If the GL-VP-620x has an assigned PSTN telephone
number, this field should be set to
“Yes”. Otherwise, set
it to
“No”.
If
“Yes” is set, a “user=phone” parameter will be attached
to the
“From” header in SIP request.
SIP Registration
This parameter controls whether the GL-VP-620x needs
to send REGISTER messages to the proxy server.
The default setting is
“Yes”.
Unregister on
Reboot
Default is
No
. If set to
“Yes”, the SIP user‟s registration
information is cleared on reboot.
Register
Expiration
Allows the user to specify the time frequency (in minutes)
for the GL-VP-620x to refresh its registration with the
specified registrar. The default interval is 60 minutes (or 1
hour).
The maximum interval is 65535 minutes (about 45 days).
Outgoing Call
without Registration
Default is
No
. If set to
“Yes,” user can place outgoing
calls even when not registered (if allowed by ITSP) but is
unable to receive incoming calls.
Local SIP port
Defines the local SIP port the GL-VP-620x will listen and
transmit.
The default value for Profile 1 is 5060 and 6060 for Profile
2.
Local RTP Port
Defines the local RTP-RTCP port pair the PROFILE will
listen and transmit. It is the base RTP port for channel 0.
When configured, channel 0 will use this port _value for
RTP and the por1 for its RTCP; channel 1 will use
por2 for
RTP, por3 for its RTCP and so on.
The default value for Profile 1 is 5004 and 6004 for Profile
2.
Use random port
This para
meter, when set to “YES”, will force random
