I don't know how much it would cost, but most individuals would simply
install a second residential telecom dialup line w/ unlimited local
calling.  That CURRENTLY would be on the order of $10-$15 in Bell Atlantic
BOC.

http://www.bell-atl.com/consumer/
http://www.ba.com/nr/
http://www.bam.com/

http://www.bam.com/amy_data/web1.htm


I went to Patrick Crispin's Country Codes site aka Int'l Email Accessibility

http://www.ee.ic.ac.uk/misc/country-codes.html

and scanned for MU and then started clicking

http://www.ee.ic.ac.uk/misc/bymap/countries/mu.html