Intercom Paging
Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
This is a portable USB handset for PC communications, it has noise cancelling microphone, wideband audio and a familiar handset desing.
in2it System Ltd.
iCallbd looks and feels just like a regular phone, but instead of using a phone line, it uses your Internet connection. With iCallbd you can call any mobile or land line telephone and receive telephone calls from any mobile or land line telephone.
iCall
Top 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