TCH/H decoder gsm_tch_h_decoder import grgsm grgsm.tch_h_decoder($sub_channel, $mode, $boundary_check) sub-channel number sub_channel 0 int sub-channel 0 0 sub-channel 1 1 TCH/H coding mode mode enum GSM-HS grgsm.TCH_HS GSM-AMR 7.95 grgsm.TCH_AHS7_95 GSM-AMR 7.4 grgsm.TCH_AHS7_4 GSM-AMR 6.7 grgsm.TCH_AHS6_7 GSM-AMR 5.9 grgsm.TCH_AHS5_9 GSM-AMR 5.15 grgsm.TCH_AHS5_15 GSM-AMR 4.75 grgsm.TCH_AHS4_75 Voice boundary detection boundary_check False bool False False True True $sub_channel() > -1 and $sub_channel() < 2 bursts message msgs message 1 voice message 1 If "Voice boundary detection" is enabled, then only bursts are decoded as voice where - the framenumber is greater then the framenumber of a received "Connect" or "Connect Acknowlegde" message, and - the framenumber is less then the framenumber of a "Release" message