[Asterisk-Users] How do you handle situation with Grandstream occasionally losing registration with Asterisk ?

[Wilson Pickett]

> But Grandstream 100 occasionally loses registration (have anyone found any
> solution to this ?) and then AMP's dialparties.agi  won't proceed call
> even to voicemail, but will end it imediately (cause dialparties checks if
> SIP extension is present - otherwise it deletes it from call group...)..

Also, try different firmware. Some version around 5.12-16 introduced
that exact symptom which was then fixed supposedly.