Samsung SMT-W6100 Getting Started Manual page 27

For example
, if the country code is 99, the city code is 77, and the local number is 555-8888, dial:
01199775558888.
Calls outside of the calling plan area are charged a per-minute rate
based on the destination you are calling. Please login to your Online
Account Center for specific rates.
If you are unable to make calls, please refer to Troubleshooting
.
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