C4 Telecom, S.L. Spain

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General office

C4 Telecom, S.L.
C/ Francisco Suarez, 9
Madrid
Madrid ,28036
Spain

Phone: +34 91789 7150
Site: http://www.c4telecom.com

Contact Person

Guillermo Monguio / WholeSales Manager
Phone: +34 91 789 7150

Hosted VoIP billing service provider
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Call Waiting With Caller ID

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.

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