IP telephony connection

Better telephony with the toplink IP telephone connection

IP-based, high-performance telephone connections from toplink transmit voice communication with VoIP at high speed – securely encrypted and with excellent voice quality. 

With the toplink SIP trunk you use IP telephony according to international standards.
Manage multiple numbers with a single access account. You can choose from three SIP packages according to your needs:

Icon telephone

toplink SIP Business

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

Your benefits

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

to the product

toplink SIP Business
for Skype

Info graphic shows how the sip business telephone system connection works for Skype for Business - telephony connection

Your benefits

  • No media gateway
  • Full use of Skype for Business
  • Certified by Microsoft

to the product

toplink SIP Business

Info graphic shows the functionalitites of the international SIP telephone system connection - telephony connection

Your benefits

  • International phone numbers
  • Available in over 50 countries
  • Emergency call function is supported
  • International porting of phone numbers possible

to the product


Session Border Controller (SBC)

Use a Session Border Controller (SBC) to clearly separate your corporate network from the IP-based telephony world. Protect your business from threatening VoIP attacks.

Your benefits

Media gateways

For combining and connecting your ISDN telephone system with the required future IP technology.

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:

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