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Reply To: Number of PSTN lines required


Right, good call.
But imagine that I would like to connect two trunks. The interconnection is going to be used for regular phone services only.
I kind of looking for an answer where there are two trunks that I want to connect, with X and Y number of users, and they make N number of calls a day and they speak for S number of minutes.

Isn’t there a formula for this?
Thanks a lot for any help,