+ # When dialing with an analog modem I noticed that if calls are
+ # separated one from another they take less time to set up, this
+ # may be due to how an analog modem works: getting it on-hook and
+ # off-hook takes quite some time.
+ inter_call_sleep = 5.2
+ print("Sleeping %.2f sec before the next call..." % inter_call_sleep)
+ time.sleep(inter_call_sleep)
+