MTG2000 Trunk Gateway User Manual V| Dinstar
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When enabled, calls are routed out of PSTN->PSTN
when PSTN->IP routes are not available.
When enabled, PRI trunks can use D-channel sharing,
i.e., multiple PRI trunks use the same D-channel to
communicate.
User-user Info Passthrough
to SIP
When enabled, the "User Information" of the User-user
field is extracted from the pri setup message and then
carried by the "User-to-User" header field in the invite
message before being sent out.
4.6.2 PRI Trunk
On the PRI Trunk interface, you can configure PRI trunks for PRI calls. The statuses of PRI
Trunks can be seen at the Status & Statistics ‒> PSTN Trunk Status interface.
Click the Add button, and you can add a PRI trunk. If you want to delete or modify the
information of a PRI trunk, select the checkbox on the left of the trunk, and then click the
Delete button or the Modify button.