Nigel,
You cannot upgrade a non-dual mode 5220 to SIP.
If you are referring to the cable that connects the 5310 to a 5235, that
is a standard CAT5 straight-through cable.
Barry
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Nigel
Kendrick
Sent: Friday, May 11, 2007 7:27 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: [asterisk-users] A couple of questions for the Mitel
gurus(phone-related - not systems)
Hi Folks,
Just in case there are any Mitel gurus here:
1) Is it possible to convince a non-dual mode 5220 phone to 'upgrade' to
the
SIP firmware? I have inherited one that's Minet only.
2) I have a 5310 conference unit and 5235 phone in SIP mode, but
someone's
lost the connecting lead. Can anyone recommend anywhere in the UK for a
replacement lead or confirm the pin-out so I can check whether a generic
RJ-RJ lead will work without frying anything.
Thanks
Nigel Kendrick
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