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SIP On Mitel / Phones won't work without power adapter
« on: September 29, 2015, 08:54:39 AM »
Hi folks,
having an issue with some Mitel 5320 and 5330 phones. Not all of our phones but maybe 6 out of about 100 power on via POE but don't display anything on the screen nor do they allow me to boot into config.
However if i connect them up to a power adapter and leave them disconnected from the network and power them on, they come up fine. If i then connect them to the network, the phones then work without any issue.
If the Lan is connected before powering the phone on though, i get the same issue as if i was powering up from POE i.e. all the lights on the phone go on, but nothing appears on the screen and it just stays like that. No dial tone or anything.
Any help would be appreciated here, as i really don't want to replace these 6 phones, I'd rather know what is causing the issue and resolve it.
thanks for your help in advance.
having an issue with some Mitel 5320 and 5330 phones. Not all of our phones but maybe 6 out of about 100 power on via POE but don't display anything on the screen nor do they allow me to boot into config.
However if i connect them up to a power adapter and leave them disconnected from the network and power them on, they come up fine. If i then connect them to the network, the phones then work without any issue.
If the Lan is connected before powering the phone on though, i get the same issue as if i was powering up from POE i.e. all the lights on the phone go on, but nothing appears on the screen and it just stays like that. No dial tone or anything.
Any help would be appreciated here, as i really don't want to replace these 6 phones, I'd rather know what is causing the issue and resolve it.
thanks for your help in advance.