Guralp Systems Scream - Manual (Page 62)

Scream! 4.5
•
using several modems allows you to reduce call charges (e.g.
you might use a cellular modem to contact installations on GSM
networks, and a standard PSTN modem to contact those on land
lines).
You can have up to 99 modems collecting data simultaneously, each
with an unlimited number of scheduled dial-up times and telephone
numbers. Scream! will remember all the settings when you exit.
62 Issue K