Make encrypted calls via TLS and SRTP with crystal-clear HD voice quality—and enjoy a stable connection through multiple redundant BGP4 links. Security comes at no extra charge with dus.net.
Everything from a single source
Cloud-based phone system, SIP trunk, phone numbers, and fax—all within the same VoIP environment. Includes legally valid fax with delivery confirmation and a signed transmission report.
Adapts to you
From a single line to a complete business phone system: DUStel's plans and our open VoIP API scale to meet your needs.
Reliability and quality, expertise and security - that's dus.net
Security
dus.net supports a variety of security elements, e.g. TLS & SRTP, VPN, blacklist & whitelist, time limits, credit limits, target network approvals.
Performance
Our routing takes place exclusively via selected and high-quality carriers, naturally also in HD quality.
first-class help
Excellent support and qualified advice combined with very good availability guarantee fast and competent solutions.
Support for telecommunications systems
The DUStel business flex tariff already supports your PABX system, such as Auerswald, 3CX, Starface, Panasonic and many more, even in the cheapest version.
Full fax support
Extensive fax functionality: from fax-to-email, email-to-fax, sending faxes from the customer center or sending and receiving faxes via T.38. New: legally valid fax with delivery confirmation, SHA256 fingerprint, and signed delivery report.
Special functions
Trunking, ACD or DDI function, music on hold, sound logos, BLF, forwarding, group call, ClipNoScreening and much more.
