Session border controller as a VoIP network demarcation point for enterprise access

voipXess SBC connects any IP PBX to any Internet-based, next-generation network. With integrated enterprise session border controller (E-SBC) functions for any type of signaling conversion, voipXess SBC is an ideal demarcation point for the interface between enterprise links and wide area networks.

Network demarcation point
The two Ethernet ports of voipXess SBC guarantee physical separation of networks as the demarcation point. Integrated monitoring and tracing functions support quick and easy trouble-shooting, and assist fast remedy of faults.

Built-in SIP normalization functions, VoIP header and number modification functions as well as media transcoding allow voipXess SBC to adapt any IP PBX system to any network.

The integrated IP & SIP firewall of voipXess SBC protects the VoIP network. Fraud attacks are detected and automatically blocked.

Calls via the ISDN network or mobile communications backup in case of IP network failure ensure availability of services. The integrated SIP server of voipXess SBC provides local SIP terminal devices with telephony functions if the cloud PBX becomes temporarily unavailable.


LinkXess GmbH
Rudower Chaussee 29
12489 Berlin

Phone: +49 30 243 263 20
Fax: +49 30 243 263 29
E-Mail: contact(at)

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LinkXess has moved to Berlin Adlershof. Our new office is now located in one of the most successful high-technology locations in Germany with more than 500 high tech companies and six scientific institutes of the Humboldt-Universität zu Berlin. The new office location will help us to fulfill our growing strategy with the excellent infrastructure of this area.

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