Exact(6)
Use a calling card to cut down on the cost.
(Other customers were encouraged to use a calling center).
Like most of the phones on our list, Vertu's devices are fairly standard, "unlocked" handsets compatible with any wireless carrier whose networks use a calling technology called GSM in the U.S., that's AT&T, formerly Cingular Wireless, and T-Mobile, a division of Deutsche Telekom.
I remember having to use a calling card pretty often for that.
It can't do medical alert services, it can't do alarm company services and it doesn't let you use a calling card to make cheap calls.
Use a calling card or automatic operator.
Similar(2)
At the end of the experiment, their attitudes towards CALL were reassessed using A-CALL questionnaire.
We used a calling criterion of spanning three or more consecutive SNPs and standard deviation of log R Ratio ≤ 0.35.
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