Multi-Tech Systems E1 - Manual (Page 77)

MultiVOIP User Guide Technical Configuration
77
Note that Voice/FAX parameters are applied on a channel-by-channel
basis. However, once you have established a set of Voice/FAX
parameters for a particular channel, you can apply this entire set of
Voice/FAX parameters to another channel by using the Copy Channel
button and its dialog box. To copy a set of Voice/FAX parameters to all
channels, select “Copy to All” and click Copy.