Is there also a firewall for telephone products?
The telephone is no longer working. What do I need to do?
What are “INA tariff classes”?
Where are the telephone sets connected?
Which manufacturers offer compatible telephones?
Can I also use this solution as a fax?
Can I transfer incoming calls internally?
Can I benefit from flatrates?
Can I install an answering machine?
How good is the voice quality?
How many telephone lines/numbers are available to me?
What happens to the telephone service if my Internet connection is interrupted?
What kind of phones do I need for Business Digital Phone?
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Analogue telephone / ISDN
Are number ranges (DDI) also possible?
As a customer, can I stop calls from being made via the UPC telephone network?
Can I check the preselection transfer?
Can I order a VTA now as a UPC Business customer and later port the numbers to UPC Business (e.g. for a Virtual PBX solution)?
How do I proceed if I require additional connections for VTA as a customer?
The VTA offering from Swisscom Ltd includes primary connections (PRI). Are these also provided by UPC Business?
What does the abbreviation VTA stand for?
What if I have already installed Swisscom Ltd connections as a customer?
When do I require analogue connections as a customer?
When do you refer to VTA and when do you refer to Business Voice Analog/ISDN?
Call number porting
Can I keep my telephone numbers?
How do I apply for call number porting?
What is the porting process?
Are there detailed instructions for the voice portal?