FONWORLD PBX

For correct installation of your SIP-device please have a look at the service manual. Below you find representatives for the configuration of some of the most frequently used SIP-devices. Please observe the instructions you find in your SIP-devices service manual.


AVM Fritz!box FON 7050

Log on to your FritzBox using a net browser.
Choose "Telefony" in the menu "Internet Telefony" and go to "Internet Number".

Enter the required data as follows to complete the adjustments:

  • Benutzername → Your fonworld SIP username
  • Kennwort → Your fonworld SIP password
  • Registrar → sip.fonworld.com
  • Proxy server → sip.fonworld.com

AVM Fritz!box FON ATA 1020

Log on to your FritzBox using a net browser.
Choose "Telefony" in the menu "Internet Telefony".

Enter the required data as follows to complete the adjustments:

  • Benutzername → Your fonworld SIP username
  • Kennwort → Your fonworld SIP password
  • Kennwortbestätigung → geben Sie Ihr fonworld SIP-Passwort nochmal ein
  • Registrar → sip.fonworld.com

LINKSYS WIP330

Enter the required data as follows to complete the adjustments:

  • SIP Proxy → sip.fonworld.com
  • SIP Proxy Port → 5060
  • Registrar → sip.fonworld.com
  • Registrar Port → 5060
  • Expiry Time → 3600
  • Registrar-Name → Your fonworld SIP username
  • Registrar-Kennwort → Your fonworld SIP password

LINKSYS SPA 3102

Enter the required data as follows to complete the adjustments:

  • Leitung nutzen → yes
  • SIP Port → 5060
  • Proxy → sip.fonworld.com
  • Registeren & Anrufen ohne Registrierung → yes
  • User-ID → Your fonworld SIP username
  • Passwort → Your fonworld SIP password

Grandstream HT286

Enter the required data as follows to complete the adjustments:

  • SIP Server → sip.fonworld.com
  • SIP User-ID → Your fonworld SIP username
  • Passwort → Your fonworld SIP password

Grandstream HT386

Enter the required data as follows to complete the adjustments:

  • SIP Server → sip.fonworld.com
  • SIP User-ID → Your fonworld SIP username
  • Passwort → Your fonworld SIP password

Grandstream HT486

Enter the required data as follows to complete the adjustments:

  • SIP Server → sip.fonworld.com
  • SIP User-ID → Your fonworld SIP username
  • Passwort → Your fonworld SIP password


Grandstream HT496

Enter the required data as follows to complete the adjustments:

  • SIP Server → sip.fonworld.com
  • SIP User-ID → Your fonworld SIP username
  • Passwort → Your fonworld SIP password

Siemens SX553

Enter the required data as follows to complete the adjustments:

  • Rufnummer → Your fonworld SIP username
  • SIP Domäne → sip.fonworld.com
  • Bereich → fonworld.com
  • Benutzername → Your fonworld SIP username
  • Passwort → Your fonworld SIP password
  • SIP Listen Port → 5060
  • Proxy IP Adresse → sip.fonworld.com
  • Proxy Port → 5060
  • Registrar IP Adresse → sip.fonworld.com
  • Registrar Port → 5060

SMC 7908 VoWBRA

Enter the required data as follows to complete the adjustments:

  • Aktiviert → Tick the check mark
  • VoIP Anbieter → Other
  • Benutzername → Your fonworld SIP username
  • Passwort → Your fonworld SIP password
  • SIP Domäne → fonworld.com
  • Realm → fonworld.com
  • Proxy IP Adresse → sip.fonworld.com
  • Proxy Port → 5060
  • Registrar IP Adresse → fonworld.com
  • Registrar Port → 5060