The future-proof, IP-based, SIP-trunk communications solution

Enterprise SIP is the right solution for companies with locations in Switzerland that want to centralise and simplify their communications structure. With Enterprise SIP, your existing communications system using a private IP network is connected to the public telephone network.

The integrated solution provides all the essential features of traditional telephony, corresponds to the state-of-the-art, and meets the highest requirements for security and reliability.

Your expert

Daniel Hecker

Market Manager Enterprise SIP

Your benefits


Central communication system and integrated network infrastructure for voice, data, video and UC.


The greatest degree of security thanks to Trusted Enterprise SIP in Swisscom’s proprietary MPLS-enabled IP network.


Efficient network operation with lower operating costs and lower total cost of ownership (TCO) thanks to the integrated communications network. Configuration adjustments in real time via. Online Selfcare.


Connection of a central, IP-based communication system to the public telephone network with high reliability and availability through multi-level redundancy.