Voice services for your telephone system
For connecting your local traditional ISDN telephone systems, both basic connections (BRI, connection with 2 voice channels) as well as primary connections (PI, connection with 30 voice channels) are supported. IP telephone systems can be connected directly to the multifunctional data connection and support voice and fax functionality.
Best voice quality thanks to prioritisation of the voice packets
Connection possible via an individual, dedicated VPN line
Leading Swiss VoIP provider with over 15 years of experience
Connect your ISDN system or IP telephone system to the telephone
network and benefit from the various possibilities offered by VoIP.
Simply take your telephone numbers with you
Of course, UPC Business will port your telephone numbers or provide you with new number ranges from its inventory.
Thanks to our intuitive customer portal, you can make changes (site expansions, staff changes and access rights) quickly and simply.
Certified telephone systems from UPC
UPC has certified the commonly available IP telephone systems so as to ensure the smooth interoperation of their communication capabilities.
Renowned manufacturer of terminals
Thanks to our partnership with Panasonic you are provided with a tailor-made communications solution with the guarantee of a reliable manufacturer and the specialist knowledge and expertise of UPC Business.
ISDN-PBX/IP-PBX with Premium Option
Includes basic package
Access to customer portal (mybusiness)
Voice packet prioritisation
Proactive monitoring of the connection/remote maintenance
CLIP special arrangement (number display)
AOC via ISDN (charge display)
Dedicated, private IP/VPN access
Individual set-up of backup/emergency routing scenarios
Connection does not require a firewall
Collaboration and availability – anywhere and on any device.
Microsoft Teams enables location- and device-independent real-time collaboration on the Microsoft cloud platform. Sunrise UPC Business connects Microsoft’s cloud-based telephone system to the public telephone network (PSTN) without additional customer hardware and ensures top voice quality. We support you with soft migration so your existing systems can continue to be used.
Find out more
Skype for Business
We are a certified Microsoft partner
Skype for Business allows you to connect to the public switched telephone network (PSTN) directly via SIP, offering your a flexible, universal communications solution. UPC Business helps companies to connect their Skype for Business infrastructure to an external PSTN network. Skype for Business offers the most reliable, cost-efficient PSTN connectivity with a SIP trunk provider.
Find out more
Why is Business Voice Virtual PBX from UPC Business so cheap, and what is the difference compared to a conventional fixed network connection?
Does Virtual PBX by UPC Business work with a conventional telephone device?
Do I need a PC to use Virtual PBX by UPC Business?
How can I make calls with Virtual PBX by UPC Business?
How can I use Virtual PBX by UPC Business for my company?
Is the call quality as good as with traditional telephony?