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.
- Internet Outage
- Power Outage
- 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.
- Phone Hardware
- Like computers phones can have random issues and need to be turned off and back on to correct itself.
- Audian Network
- No network is perfect but on the rare occasions the issue lies on back end.
Articles:
Migrated from Confluence on 2026-02-03
Original Confluence Article
