diff --git a/channels/sig_analog.c b/channels/sig_analog.c index 868159337d..7bb3c293c5 100644 --- a/channels/sig_analog.c +++ b/channels/sig_analog.c @@ -2810,29 +2810,39 @@ static struct ast_frame *__analog_handle_event(struct analog_pvt *p, struct ast_ case ANALOG_SIG_SF_FEATD: case ANALOG_SIG_SF_FEATDMF: case ANALOG_SIG_SF_FEATB: - if (ast->_state == AST_STATE_PRERING) { + switch (ast->_state) { + case AST_STATE_PRERING: ast_setstate(ast, AST_STATE_RING); - } - if ((ast->_state == AST_STATE_DOWN) || (ast->_state == AST_STATE_RING)) { + /* Fall through */ + case AST_STATE_DOWN: + case AST_STATE_RING: ast_debug(1, "Ring detected\n"); p->subs[index].f.frametype = AST_FRAME_CONTROL; p->subs[index].f.subclass.integer = AST_CONTROL_RING; - } else if (p->outgoing && ((ast->_state == AST_STATE_RINGING) || (ast->_state == AST_STATE_DIALING))) { - ast_debug(1, "Line answered\n"); - if (analog_check_confirmanswer(p)) { - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass.integer = 0; - } else { - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass.integer = AST_CONTROL_ANSWER; - ast_setstate(ast, AST_STATE_UP); + break; + case AST_STATE_RINGING: + case AST_STATE_DIALING: + if (p->outgoing) { + ast_debug(1, "Line answered\n"); + if (analog_check_confirmanswer(p)) { + p->subs[index].f.frametype = AST_FRAME_NULL; + p->subs[index].f.subclass.integer = 0; + } else { + p->subs[index].f.frametype = AST_FRAME_CONTROL; + p->subs[index].f.subclass.integer = AST_CONTROL_ANSWER; + ast_setstate(ast, AST_STATE_UP); + } + break; } - } else if (ast->_state != AST_STATE_RING) { + /* Fall through */ + default: ast_log(LOG_WARNING, "Ring/Off-hook in strange state %d on channel %d\n", ast->_state, p->channel); + break; } break; default: ast_log(LOG_WARNING, "Don't know how to handle ring/off hook for signalling %d\n", p->sig); + break; } break; #ifdef ANALOG_EVENT_RINGBEGIN