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Some emergency phone (e.g., 911) or special phone cannot be dialed out by using VoIP and
can be called out through PSTN line only. To solve this problem, this page allows you to set
five sets of PSTN number for dialing without passing through Internet. Check the Enable box
to make the PSTN number available for dial whenever you need and type the number in the
field of phone number for PSTN relay.
After finishing all the settings here, please click OK to save the configuration.
Vigor2760 Series User's Guide
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