We often use a pair of modem i.e. G-703 & V-35 at each end of a leased line of speed higher than and equal to 64 Kbps to have inter data communication between the datacom equipments connected at each end of leased line. What functions are accomplished by each of the modem i.e. G-703 & V-35.
I'm familiar with what FSK (frequency-shift keying) is, but I've recently heard a term tossed around sometimes interchangeably with FSK, sometimes not, called CPFSK (continuous phase frequency-shift keying). Could you tell me what is the difference? Is CPFSK just the assurance that the phase of the...