[Asterisk-Users] "Registered SIP '202' ... expires 1800". Why does it expire

[Marek Zachara]

>
> Which is kinda annoying because grandstreams (at least 1.0.5.23 firmware
> anyway) don't do that...  I have to powercycle the one on my desk once
> an hour if I want it to ring on incoming calls otherwise asterisk
> 'forgets' about it (the cisco in the other room seems to be fine).
>
> I'd love an option to work around that...
>
This is very strange, as its usually the phones which tell the server how long 
their registration is to be valid. At least thats the case with all the sip 
phones i've seen so far. I assume this is a bug in the phone software, so 
upgrading the firmware could help.


Marek