Subscriber Identity Module (Sim) Card; Battery Life - Nortel 3100 User Manual

• 3 calls per hour (2 inbound, 1 outbound) within an 8 hour workday.
• 5 message waiting indicator updates per day.
The following calculation shows data usage per month, assuming 20 work
days per month:
Logon and logout attempts
((5 * 1000) + (5 * 900)) * 20 = 190 000 bytes
3 calls per hour (2 inbound, 1 outbound) during an 8 hour day
((2 * 800) + (2 * 900) + 1000) * 8 * 20 = 704 000 bytes
5 message waiting indicator updates
500 * 2 = 10 000 bytes
Client polling (every 90 seconds or 40 an hour)
40 * 700 * 24 hours * 30 days = 20 160 000 bytes
The sum of cellular data used per month is:
190 000 + 704 000 + 10 000 + 20 160 000 = 21 064 000 bytes.

Subscriber Identity Module (SIM) card

You can change the subscriber identity module (SIM) card in your device.
As long as the new SIM card supports a data connection, the device
sends the telephone number associated with the SIM to the MCG 3100
during the log on process. You continue to make and receive calls without
changing your client configuration. People calling you do not dial different
telephone numbers when you change SIM cards.

Battery life

The battery life of your MCC 3100 device will vary, depending on the
amount of use. While operating in standby mode, you can expect 24
hours standby time while connected to a 2G network, and 10 hours
standby time while connected to a 3G network.
There are many factors that affect battery life. If you have devices for
which you do not get the above standby time, then you should contact
Nortel Support to discuss the scenario.
Nortel Mobile Communication Client 3100 for Windows Mobile User Guide
Getting Started
17