Allows users tracking the condition of the other telephone or the subscriber, for example, there will appear a signal on the screen of the telephone device informing that the subscriber is on the line and is temporarily unavailable.
Intertoll Communications
Intertoll Communications Network Corp. was established in 1991 as a facilities-based carrier, and reseller of high quality long distance services. Over the last decade we have enhanced our product offerings to better meet the demands of an increasingly di
Read moreTop countries:
United States 1294
India 440
United Kingdom 425
Canada 348
Bangladesh 338
China 142
Pakistan 134
Australia 133
Spain 123
Russia 114View all countries