How about a section listing all phone manufacturers and allow us to add tips/tricks/advice for each type of phone.
So...
Yealink
T29
T48
.
.
Grandstream
2160
HT702
.
.
So...
Yealink
T29
T48
.
.
Grandstream
2160
HT702
.
.
Added, ask for more as you need them
Added, ask for more as you need them