static int global_silence_threshold = 128;
static int global_maxsilence = 0;
-int ast_play_and_record(struct ast_channel *chan, char *playfile, char *recordfile, int maxtime, char *fmt, int *duration, int silencethreshold, int maxsilence)
+int ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, int silencethreshold, int maxsilence)
{
char d, *fmts;
char comment[256];
//! Record a file for a max amount of time (in seconds), in a given list of formats separated by '|', outputting the duration of the recording, and with a maximum
// permitted silence time in milliseconds of 'maxsilence' under 'silencethreshold' or use '-1' for either or both parameters for defaults.
-int ast_play_and_record(struct ast_channel *chan, char *playfile, char *recordfile, int maxtime_sec, char *fmt, int *duration, int silencethreshold, int maxsilence_ms);
+int ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime_sec, const char *fmt, int *duration, int silencethreshold, int maxsilence_ms);
//! Record a message and prepend the message to the given record file after playing the optional playfile (or a beep), storing the duration in 'duration' and with a maximum
// permitted silence time in milliseconds of 'maxsilence' under 'silencethreshold' or use '-1' for either or both parameters for defaults.