tag: patch I have experience the same problem on My Sharp GZ100, the following patch fix it. I know it's ugly, but it works..
+++ scm-075/src/actions.c 2005-07-01 10:35:48.000000000 +0000 @@ -109,6 +109,15 @@ char* ack; tty_write("\r",1); + sleep(1); + tty_write("+",1); + sleep(1); + tty_write("+",1); + sleep(1); + tty_write("+",1); + sleep(1); + tty_write("\r",1); + sleep(1); at_command_send(AT_GEN_INIT,NULL); ack = at_read_line(); if (at_line_type(ack,NULL,NULL) != AT_RET_OK) {