If there is an unused port(line) on the handset, you can configure it to register as an extension on a remote PBX, from the Com.X GUI.
Navigate to the hardware page and select the port from the port tree. Right-click and select Edit.
<Figure 85 Managed SIP extension to register on remote system>
FIELD |
DESCRIPTION |
Enable |
If not ticked, the line will not be available for configuration. |
Local Extension Port |
If enabled, SIP Server, Register Login and Register Password fields will be automatically populated. Disable this option to manually enter configuration details and register an extension on a remote system. |
Label on Phone |
Enter the label you would like to see on the phones display. |
Register Login |
If Local Extension Port is disabled, this field can be edited to contain the authorisation name for an extension on a remote system. |
Register Password |
If Local Extension Port is disabled, this field can be edited to contain the password for an extension registering on a remote system. |
SIP Server |
If Local Extension Port is disabled, this field can be edited to contain the IP address of the remote SIP server on which the extension is registering. |
SIP Server Port |
If Local Extension Port is disabled, this field can be edited to contain the port on which the extension should register on the remote system. |
Use Outbound Proxy |
If enabled, an outbound proxy can be configured through which to register the extension. |
Outbound proxy |
The address of the outbound proxy through which the extension registers with the remote system. |
Outbound Proxy port |
The port of the outbound proxy through which the extension registers on the remote system. |
NAT Traversal |
If enabled, the phone will use NAT to locate its remote host. |
Note: In order for a line on a managed Sip phone to register as an extension on a remote system, correct routing needs to be configured on both systems. This would require a route to allow the phone to connect to the external network through the correct interface, and a corresponding route on the remote system, directing traffic to the phone to the correct interface. |