20 Most Recent Mitel 5312 IP Phone Questions & Answers

your system admin has to do this for you

Do you have another 5312 on your network? If so swap it out and see if it is the phone or configuration

Need to login to phone system. And reset password

Need to. Login to system and fix this

Power issue or bad phones..

What model of mitel system? 3300 In feature access codes message off code. If that doesn't work program the mailbox back in and leave a message and then clear the message out of the mailbox.

IP phones compress analog data to avoid excess bandwidth. When calls are placed long distances this becomes really noticeable.

What model of Mitel controller do you have? The 5312 works on several different controllers. Sounds like you have UDP ports blocked on you IP network. Please list your controller type and if you have a firewall/router/or layer 3 switching on your data switch.

Does the phone have a router/firewall/Layer3 data switch between the phone and the controller? If yes I suspect you have blocked UDP IP ports. Here is a wiki on TCP and UDP ports. http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbersThe ports you need open to the controller are specific to your system model. The 5312 phone works on different controllers. Please list the controller type you have. Good Luck.