eTeleWaves Pvt. Ltd. is one of the leader of terminating calls with both Standard & Premium Routes. Attracting rates with Good ASR and ACD. We have 05 years experiences in the Telecom.
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.