What if you don't have the option for 5020 SIP phone?
only options are:
5505 SIP
5603 SIP
5604 SIP
5610 SIP
5624 SIP
and currently using UC Endpoint.
I have the cold transfer option, but I don't have trade or complete transfer...the controller is MITEL 3300
Release level: 7.2 SP1 PR1
Active software load: 13.2.1.27
Inactive software load: 13.2.0.17
System relink: No relink has been applied.
Call Control relink: 43.2.1.14_SP1
Platform: MXe-III
1024MB of RAM
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