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Phone says option 128 missing? - Mitel 5220 IP Phone

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This is the option in the DHCP Server to instruct the phone what the Control Unit ip address is so the firmware can be updated/checked. to resolve this you will need to add the option in the DHCP server

Posted on May 12, 2011

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1 Answer

Option 128 missing


Option 128 is the dchp option for the tftp server. This is where the phone gets its firmware from the phone system. You can static this information into the phone.

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It means that your DHCP server on your network is missing the options to allow your phone to boot up. After a month (time on this message), I hope you've managed to get the issue resolved. If not, I hope you've fired your IT support team - they should be able to get this resolved quickly.

Sincerely,
Mark

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My IP mitel phone 5324 phone gives an error message option 128 missing


the DHCP server or your network switch isn't configured properly. I hope by now your network admin or vendor has gotten this problem resolved.

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Jan 27, 2011 | Mitel 5215 IP Phone

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When mitel 5234 is switched on it hangs at option 128 missing


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Jan 27, 2011 | Mitel 5215 IP Phone

1 Answer

On the 5330 i have a Discovery option 128 missing message. There is not a dialtone on the phone, how do I make the phone operational?


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Dec 24, 2010 | Mitel 5220 IP Phone

1 Answer

What does "Option 128 Missing" on the Mitel 5330 IP mean? Thanks.


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Aug 11, 2010 | Mitel 5220 IP Phone

1 Answer

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1 Answer

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1 Answer

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