11.   About two-thirds of the international calls in Mexico originate outside the country.

12.   BT, faced with rising competition in an increasingly deregulated international market, introduced cheaper weekend rates for international calls last fall.

13.   But even in heavily regulated countries, where international calls are controlled by state-sanctioned monopolies, Internet telephone calling is making its debut.

14.   But IP telephony also offered a way for international calls to be placed essentially at no cost, though with a lower quality of voice transmission.

15.   But Kabila, may have been concerned about mounting diplomatic pressure for a cease-fire and international calls for help for Hutu refugees stranded near Kisangani.

16.   But officials confirmed that Milosevic has access to a telephone at the courthouse and makes international calls during most breaks and after sessions.

17.   But the caller presumably has a reasonable expectation that the fee will be substantial, if only because of making an international call to a place so far away.

18.   But the new president wrongly resists international calls for a new presidential vote.

19.   Buying ACC would cut the fees Tel-Save pays other carriers to complete its international calls and give it access to the fast-growing international phone business.

20.   By contrast, global telephone companies pay each other fees -- so-called settlement fees -- for carrying international calls that push the price of calls artificially high.