here's a little dummy test program that explores the problem. Call control gets triggered with a TLV of T_SS_STRING when querying e.g. the status of call divertion, but there is no such trigger when d ...
This can be device depending - what phones do you have? Do you have terminal profiles? What is the terminal response of the send_ss commands?
Motorola Razr v3i, TP AF FF FF FF FF 0F 1F 1F 7F 00 00 1F ...
I'm trying to get control over supplementary services initiated by the ME during a call (hold, transfer), but it doesn't seem to trigger the action call control. When I'm not in a call and quer ...