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

Enterprise SIP is the ideal solution for companies operating in Switzerland that want to centralize and simplify their communication architecture. Enterprise SIP allows you to connect your existing communication system to the public telephone network via a private IP network.

This comprehensive, state-of-the-art solution offers the essential features of classic telephony, thus meeting the most stringent requirements in terms of security and reliability.

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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.