Sipwise GmbH

Sipwise Logo
Europaring F15
Brunn am Gebirge
Tel: +43 1 30120 14
Web Site

Sipwise designs, develops and integrates a flexible, modular and comprehensive Unified Communication Platform for Network Operators and OTT service providers addressing residential and SME customers. Sipwise transforms current telephony services for enterprises and telecommunication providers to future-proof web-based unified communication applications.

Sipwise offers B2B unified communication solutions for telecom providers looking to expand into B2B markets as well as for the ones to offer new services to existing business clients. With the products C5 and C4 in combination with Sipwise CPBX and Sip:phone, providers can offer their business clients a comprehensive all-round package for their daily needs of business communication:

    • Voice over IP telephony
    • Dedicated scalable Cloud PBX
    • Unified communication and file sharing
    • Fix to mobile conversion via branded mobile app
    • Video and voice conferencing
    • Web RTC communication
    • High definition voice
    • PSTN connectivity via our C4 media gateway


With Sipwise unified communication solutions, business clients of a service provider can tap into compelling communication features:

Sip Trunking - is the voice over IP method to offer telephony services to businesses and residential entities using their existing internet pipelines. The benefits are lower cost, higher quality of service, higher availability and flexibility. On top of usually telephony services with the help of SIP protocol subscribers can benefit of advanced features like unified communications, video calls, large file sharing and IP TV.

Telephony bundle services - Internet service providers have the opportunity to offer their customers features like unified communication, secure private communication, conference numbers and instant messaging.

Dedicated scalable VOIP PBX - For medium to large enterprises a VOIP PBX solution can satisfy the internal need for voice video communication and adds value and flexibility for the IT department in managing VOIP traffic towards outside destinations.

Unified communication and file sharing - using our Sip:phone client, subscribers can share large files between each other and also benefit of the unified communication features provided by the Sip protocol.

Mobile App - With our Sip:phone mobile app, all CPBX functionalities can easily be expanded to smart phones and tablets which ensures the modern convergence of the fixed line phone with mobile devices. In combination with our CPBX, Sip:phone provides a lot of communication flexibility and helps to economize on the telephony costs of any organization.

Sipwise also offers voice over IP and unified communication solutions for the residential market serviced by telecom operators and Internet Service Providers. These solutions help increase the profitability of telephony services delivered over fixed lines.

Service bundles consisting of internet access and TV, can be easily enhanced with state of the art communication services from Sipwise. Our bundled products C5 and Sip:phone allow operators to offer compelling communication features to their residential market:

    • Fixed line voice over IP telephony
    • Video telephony
    • Unified communication services like: voice conference, instant messaging or presence
    • Fixed line to mobile converging solutions with branded mobile apps
    • Web to fax, fax to mail and much more


Sipwise also offers WebRTC based applications. WebRTC is an emerging web standard that allows instant real time audio and video communication in a web-browser – without installing any plugins or software. It has the potential to revolutionize the way we communicate with friends, colleagues and customers. Sipwise WebRTC applications help you to:

  • economize on costs and time
  • boost efficiency and productivity

in your daily communication processes.

Solution Focus:
Network Switching, Signaling