INT 61 - Atari Portfolio - DIAL NUMBER                                          
	AH = 17h
	DS:SI -> ASCII string containing number to dial
	CX = length of string
Note:	valid characters for string are "0123456789ABCD*#"
SeeAlso: AH=00h"Portfolio",AH=15h"Portfolio",AH=16h"Portfolio"
SeeAlso: AH=18h"Portfolio"