I found the problem.
The function send_sound() in chan_alsa.c does this:
if (FD_ISSET(sndcmd[0], &rfds)) {
if (read(sndcmd[0], &cursound, sizeof(cursound))
< 0) {
ast_log(LOG_WARNING, "read() failed:
%s\n", strerror(errno));
}
silencelen = 0;
offset = 0;
sampsent = 0;
This sets cursound to 0 and cursound should be -1.
If I change cursound here to local_cursound and recompile I do not hear
the ring after my call.
Jerry
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