Description:

Phone issue can be caused by many things but can be easily broken down into 5 categories. The most common are listed top to bottom.

1. Internet Outage
   • All phones will go down.
2. Power Outage
   • All phones will go down.
3. Local Network
   • Firewall: Settings on a firewall can block the phones from reaching out to the internet.
   • Router: Settings on the router like SIP ALG can cause phone features and registration to fail.
4. Phone Hardware
   • Like computers phones can have random issues and need to be turned off and back on to correct itself.
5. Audian Network
   • No network is perfect but on the rare occasions the issue lies on back end.

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