VoIP FAQS Fallback

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In which situation is a fallback of a call performed on IPBRICK?

A fallback happens when you have more than one telephony line configured on IPBRICK and your default line fails when your attempting to make a call.

Possible reasons for the execution of a fallback and IPBRICK's respective answers:

  • Fail on the default service: SERVICE UNAVAILABLE;
  • Busy channels: CONGESTION;
  • Fail on the answer to sipsak: ping SIP (which we perform before sending the call).
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