Hello Nikolas
There has never been the ability to dial [SP] using DTMF, if you use the letters on the keypad (which most DECT phones have) the phone sends the digits [7] [7], which is why on quite a few systems we set up dummy extensions 770, 771, 772 etc and forwarded all calls to SP0, SP1, SP2 etc, this was a good workaround until it has been broken on V20. We have implemented this on quite a few of our systems and really do need it repaired.
I have looked at using the CFD as suggested earlier in this thread, and while it is a workaround it is not very ideal.
I am also struggling to find out how to dial SP01 from the 3CX Android app, what is the recommended way to do this, I can't get the alphanumeric keypad to show, the only way I found to do this was to go to search a contact, type in SP01 then copy and paste it into the dial pad.
Maybe a customisable Dial Code to access System Park similarly to the Parking Orbit *0 and *1 function would be a better solution?
Otherwise - lots of exciting things coming out with V20
