Call waiting with “Caller ID” uses a special signal in order to warn you about an incoming call, during another call there are shown the name and number of the calling subscriber on the display. The function also allows switching between two calls.
AVIS was founded by professionals from the Telecom & IT industry with the sole objective of providing Technology Consulting and end-to-end solutions to cater to the upcoming BPO sector. Our Portfolio encompasses Voice, E-mail & Chat Solutions for BPO & Se
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