Auto Provision Cisco SPA303


We have some SPA303 phones, and sometimes we encounter one way or no audio issue randomly on our SPA303 phones. We have tried rebooting the and disconnecting the phone from the network, but still the same. We ended up resetting the phone to factory default and reconfigure it to make it work again.

I have read that SPA phones are capable of auto provisioning. If i may ask, is there a way to auto provision SPA phones without using DHCP option 66?

In case it’s possible, how will i do it?

hopefully there could be some workaround with auto provisioning without the use of DHCP option 66, as our local network firewall/router does not support DHCP option 66.

any help regarding this matter is greatly appreciated.

Thanks in advance,