Attention is currently required from: jolly, pespin.
fixeria has posted comments on this change. ( https://gerrit.osmocom.org/c/osmocom-bb/+/35739?usp=email )
Change subject: mobile: init TCH state earlier (on receipt of CC ALERTING) ......................................................................
Patch Set 3:
(1 comment)
Commit Message:
https://gerrit.osmocom.org/c/osmocom-bb/+/35739/comment/4ff00fcc_80b138cb PS2, Line 19: Rx only mode makes no sense for data calls, so in tch_recv_cb() we
WI mean if the data you receive while the call is not fully connected can actually contain meaningfu […]
Ah, I see your point now. But no, I don't think there can be any meaningful data before the call gets CONNECTed. AFAIR, it was even stated somewhere in the specs. that V.110 TA shall not be engaged before CC CONNECT.
When a regular phone/modem gets a data call, it remains in AT-command mode (assuming that auto-answer is disabled) until you send `ATA` (answer) command. So it's impossible to send any data before accepting a call.