gsm0808_chan_indicator: add SPEECH_CTM_TEXT_TELEPHONY
Add it, so a follow-up patch can use it in gsm0808_dec_channel_type
where 3GPP TS 48.008 ยง 3.2.2.11 refers to "if octet 3 indicates speech
or speech + CTM Text Telephony".
Related: OS#4393
Change-Id: Iaf12202c89b68290c2121bc016d08b9200a7278a
diff --git a/include/osmocom/gsm/protocol/gsm_08_08.h b/include/osmocom/gsm/protocol/gsm_08_08.h
index 96ac6af..a33b01a 100644
--- a/include/osmocom/gsm/protocol/gsm_08_08.h
+++ b/include/osmocom/gsm/protocol/gsm_08_08.h
@@ -443,6 +443,7 @@
GSM0808_CHAN_SPEECH = 1,
GSM0808_CHAN_DATA = 2,
GSM0808_CHAN_SIGN = 3,
+ GSM0808_CHAN_SPEECH_CTM_TEXT_TELEPHONY = 4,
};
/* GSM 08.08 3.2.2.11 Channel Type */