Mitel 53xx phone stuck in DHCP Discovery mode
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View April's Free Course. Sign up today x. Question priority can be upgraded with a premium feature. The user is a consumer and is getting their internet services from a Cable Modem Videotron. The internet is working fine. I have done the following: I am stumped, and I need some help to understand how to further diagnose and fix the problem.
Voice Over IP 1. Voice Over IP 2. What type of switch? Maker and Model number would be good. I'm assuming the cat5 cables are good and you have tried swapping them about and maybe testing other cables. I'm assuming you have DHCP enabled on the system and it has free valid address.
I am assuming it is set up with the right subnet, default gateway and DNS servers etc. I am assuming you have the phone setup right to dhcp discovery option 129 missing SIP not standard local mitel connection and your phone system is setup to allow incoming SIP maybe you have tested this elsewhere.
Let me know if any of my assumptions are wrong: Edster, To answer a few of your questions: DHCP is enabled on the system and it has free dhcp discovery option 129 missing addresses. Since the other computer is working perfectly, I assume that the subnet, default gateway and DNS servers are fine. I will get back to you with the make and model of switch I have a question - how can I tell whether the phone is setup to do SIP or standard Mitel connection?
Good idea for the cables, I will ask them to switch them and ensure this is not the issue I will get back to you, Thanks, Peter. Its somewhere in dhcp discovery option 129 missing.
Sorry for being a bit vague - I've never used one as SIP. You could also try the docs: If they are connecting via a teleworker solution, then they need the IP address of the teleworker server programmed on the phone static I would hazard a guess that the DHCP scope doesn't have the Mitel option configured and dhcp discovery option 129 missing the phone will reject any offers made to it.
Author Closing Comment by: Sorry for the delay. Yes, this dhcp discovery option 129 missing to be exactly the problem that had occurred. Question has a verified solution. Sign up with Google. Sign up with LinkedIn. Sign up with Dhcp discovery option 129 missing. I would like to receive news, updates and offers from Experts Exchange. Voice and Data Vlan on same port and Vlan Tagging. Almost all Internet protocol telephones have built-in switches at the back that allow you to connect your personal computer to one port dhcp discovery option 129 missing use the other port to connect your phone to to a Cisco switch.
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