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.
A-Z Termination, A-Z Termination, Cloud-based Unified Communications Service Provider, did numbers provider, FREE Callshop Software, Hardware, Hosted PBX Service Provider, Hosted VoIP billing service provider, Incumbent PTT, International VoIP Wholesale P
Read more