Tieline Merlin PLUS User Manual page 205

23.16.1 Configuring SIP Interfaces
The codec supports dialing over two SIP interfaces simultaneously.
Important Notes:
1. SIP interfaces are disabled by default.
2. SIP1 is configured to use ETH1 by default, which is mapped to the Primary Via
3. SIP2 is configured to use ETH2 by default, which is mapped to the Secondary Via
4. SIP1 and SIP2 each need to use a separate IP interface when connecting, e.g. ETH1
5. SIP1 and SIP2 can each make multiple SIP calls, e.g. two calls can be made over
6. The settings for SIP1 and SIP2 cannot be edited if the interface has been enabled.
7. Enter a public IP address in the Public IP text box if you want to dial over SIP from
To configure SIP1 or SIP2:
1. Open the HTML5 Toolbox Web-GUI and click Transport and then click SIP Interfaces to view
and configure SIP interface settings.
2. Default SIP settings are configured and select Interface SIP1 or Interface SIP2 to adjust each
interface. Note: Ensure each interface uses a unique "Via" IP interface because they can't share
one, e.g. ETH1.
3. Select the Enable check-box and then click the Save button to confirm settings.
4. The SIP interface indicator is green when an interface is enabled and red when it is disabled.
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interface by default.
interface by default.
or ETH2.
SIP1, or two calls can be made over SIP2.
behind a firewall. Then configure port forwarding to route traffic to the codec's local IP
address behind your firewall.
Merlin PLUS User Manual v2.0 205