- #1
LM741
- 130
- 0
hi all.
stuggling to determine the difference between ISDN and public switched telephone networks (PSTN). I know what each one is individually i just don't know how they relate to each other... Does ISDN use PSTN?
What i undersatnd is that PSTNs have only transmitted voice in the past but now because of ISDN other types of data are also transmitted over the telephone network. So is ISDN some network that works on top of PSTN?
thanks
stuggling to determine the difference between ISDN and public switched telephone networks (PSTN). I know what each one is individually i just don't know how they relate to each other... Does ISDN use PSTN?
What i undersatnd is that PSTNs have only transmitted voice in the past but now because of ISDN other types of data are also transmitted over the telephone network. So is ISDN some network that works on top of PSTN?
thanks