Hi Sarond , it's dial strait away.
@Ralph : i'dont uderstand "Create a system speed dial for both calls"
My device 3111 have COS 6-6-6 (D,N1,N2)  but when i look at the cor menu it blank on cor6
DGT Trace started:                                                              
004xxxxxx : ARS 004 +  8, ARS 004 +  8, Route (64)                            
Route 64 :  TDM trunk group 62    / Cor Group 64
Cor group 64 : 1,2
I have only one Tdm trunk group:62
thank you