VOIP Service Providers Residential
XtremTec Informatica
Midworld Networks, S.L. se presenta como un producto del conocimiento y una soluci
Andorra / Andorra La Vella / Andorra La Vella / Avda. Santa Coloma, 30
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Midworld Networks, S.L. se presenta como un producto del conocimiento y una soluci
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.
