Mitel Forums - The Unofficial Source

Mitel Forums => Mitel MiVoice Business/MCD/3300 => Topic started by: Landerne on February 13, 2020, 05:03:45 AM

Title: [Solved] 5312 Phone: option 129 missing
Post by: Landerne on February 13, 2020, 05:03:45 AM

Hello,

I see this error when I plug a phone.

What's happen?

Title: Re: 5312 Phone: option 129 missing
Post by: Landerne on February 13, 2020, 05:16:35 AM

Forget it!

I use an injector and 5312 phone seems to be not compatible.

Title: Re: [Solved] 5312 Phone: option 129 missing
Post by: ZuluAlpha on February 13, 2020, 08:29:50 AM

We use power injectors all the time on 5312's and 5324's and they shouldn't cause anything like that.

Title: Re: [Solved] 5312 Phone: option 129 missing
Post by: acejavelin on February 13, 2020, 01:48:52 PM

"Option 129 Missing" has nothing to do with your power injector, assuming it is functioning correctly... It relates to a DHCP server configuration issue, static assignment missing for the phone, or a VLAN issue. The phone is basically saying "I am connected to the network, but the DHCP server on the VLAN is not giving me the information I need to find the phone system" so it either needs to be manually assigned (VLAN ID or ICP address) or the port it's connected to is not configured correctly.

Title: Re: [Solved] 5312 Phone: option 129 missing
Post by: Landerne on February 14, 2020, 03:25:41 AM

Well, followed procedure with 2 phones...

5312 IP behind injector: failed
5320 IP behind injector: OK
5312 IP directly on PoE: OK