Multi-Tech Systems MULTIVOIP MVP-410ST/810ST - Manual (Page 263)

MultiVOIP User Guide Technical Configuration (Analog/BRI)
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Note that ISDN BRI parameters are applied on an interface-by-interface
basis. However, once you have established a set of ISDN BRI
parameters for a particular interface, you can apply this entire set of
parameters to another interface by using the Copy Interface button and
its dialog box. To copy a set of ISDN BRI parameters to all interfaces,
select “Copy to All” and click Copy.