NeoGate TG Series User Manual
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Register Attempts
The number of SIP REGISTER messages to send to a
SIP Registrar before giving up. Default is 0 (no limit)
Register Timeout
Number of seconds to wait for a response from a SIP
Registrar before timed out. Default is 20 seconds.
Calling Channel Codec
Priority
Once enabled, when dialing out via SIP/SPS trunks, the
codec of calling channel will be selected in preference.
If not, NeoGate TG will follow the priority in your
SIP/SPS trunks.
Video Support
Support for SIP video or no. Default is yes.
Max Bit Rate
Configure the max bit rate for video stream. The
default: 384kb/s
DNS SRV Look Up
Please enable this option when your SIP trunk contains
more than one IP address.
User Agent
To change the user agent parameter of asterisk, the
default is “NeoGate TG”, you can change it if needed.
2) NAT
Note
: Configuration of this section is required when using remote extensions generally.
Figure 7-21
Items
Description
Enable STUN
STUN (Simple Traversal of UDP through NATs) is a protocol for
assisting devices behind a NAT firewall or router with their
packet routing.
STUN Address
The STUN server allows clients to find out their public address,
the type of NAT they are behind and the internet side port
associated by the NAT with a particular local port. This
information is used to set up UDP communication between the
client and the VOIP provider and so establish a call.
External IP
Address
The IP address that will be associated with outbound SIP
messages if the system is in a NAT environment.
External Host
Alternatively you can specify an external host, and the system
will perform DNS queries periodically.
This setting is only required when your public IP address is not
static. It is recommended that a static public IP address is