Friday, April 08, 2005

Altigen IP600 firmware update problems

If you are having problems updating firmware, verify your phones are not having a problem making a network connection in the first place.

If on a reboot (**3 ) you see NETWORK FAILED and / or AW unreachable, but the phone ultimately registers by itself, you will never download the fw updates.

Check for Spanning Tree running on the data switches. STP will prevent IP600s from getting DHCP info in a timely fashion, making communication with the TFTP server impossible. It will also reportedly interfere with TFTP in general. If possible on the network, disable STP.

If you are communicating with the TFTP server, but are seeing ACK ignored errors, try a different TFTP server. provides a
free version that I've used with good success.

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