[Asterisk-Users] Re: New Beta version of Grandstream Firmware

Holger Schurig hs4233 at mail.mn-solutions.de
Tue Jul 27 23:50:59 MST 2004

> Can they tell whether it is a phone making the request?

Yes, they can, because the phone sends TFTP extensions telling it's 
current firmware. The TFTP-Server then only sends new firmware if the 
firmware is actually new.

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