I think more or less all the Tandberg style endpoints are TTC systems, do you have a name
(like MXP3000, C60, ...) or at least an index (like a c20 is a TTC7-18)
Please remember to rate helpful responses and identify
Have you tried using Google or the search engine of your choice?
A search for "TTC7-08 manual" - without quotes will give you a multiple repsonses with links to the relevant manual for you to download.
In this case for the TANDBERG 770/880/990MXP