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.
Zen Telecom is an emerging telecommunications provider of choice for many businesses and resellers worldwide. We own and operate next generation network infrastructure with multiple redundant connections to worldwide Tier1 carriers from datacentres in Eur
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