int smdc_tx_v34_indicator_t38(struct smdc_tx_v34_indicator_t38_parms *tonep)
typedef struct smdc_tx_v34_indicator_t38_parms {
tSMChannelId channel; /* in */
enum kSMDCT38_V34Type v34_type; /* int */
} SMDC_TX_V34_INDICATOR_T38_PARMS;
Sends a T.38 v34 indicator on the output half of a T.38 data communication channel.
The T.38 V34_CC_1200 indicator is sent when a switch from primary channel to control channel is requested.
The T.38 V34_PRI_CHAN indicator is sent when a switch from control channel to primary channel is requested.
The T.38 V34_CC_RETRAIN indicator is sent when a new primary channel datarate is requested. This is usually followed by a T.38 data element with a field set to v34-pri-rate and the specific datarate.
0 if call completed successfully, otherwise a standard error such as:
This function is part of the Prosody data communications API.