SIP Business

Info graphic showing how a SIP business telephone system connection works - toplink

SIP Business

Brief description

Switch to the VoIP-based telephone connection SIP Business from toplink with your ISDN connection. SIP Business VoIP telephone connection from toplink, which has been awarded the Innovation Award for IT, is optimally designed to meet the requirements of modern IP telephone systems: Your telephone calls are transmitted via VoIP - at high speed, securely encrypted and with excellent voice quality. Get the most out of your telephone system!

Why toplink?

Your benefits

  • ISDN was yesterday and will be gradually switched off by Deutsche Telekom in 2018. You get the future-oriented alternative from toplink
  • Excellent voice quality, with the powerful toplink VoIP telephone connection
  • Ready for the cloud: Your IP-based connections can be used anywhere, e. g. at other locations or home workstations
  • Secure encryption of all calls by TLS/SRTP already during connection setup
  • Integrated protection against fraud prevention included: All telephone connections are monitored by toplink systems for abnormal telephony behaviour
  • No limitation for incoming calls (or incoming voice channels)
  • International numbers available in over 50 countries
  • Uncomplicated automatic call forwarding possible
  • Secure testing possible

Product advantages

Certified by several manufacturers
Encrypted telephony
Flexibility and scalability
Protection against fee abuse

Would you like to contact toplink directly?

You can reach us personally at:
+49 6151 6275 0

We will be happy to answer your e-mail inquiry under:
info@toplink.de

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