Axis 2N Indoor Touch 2.0 User Manual page 77

– The SIP Proxy server registration is inactive due to the SIP Proxy server
3.
rejection or unavailability.
Caution
®
The 2N IP Mobile application requires 60 s as the minimum registration
expiry time. If the expiry time is shorter, the application may keep
disconnecting from the SIP Proxy server.
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