#define switch_channel_set_callstate(channel, state) switch_channel_perform_set_callstate(channel, state, __FILE__, __SWITCH_FUNC__, __LINE__)
SWITCH_DECLARE(switch_channel_callstate_t) switch_channel_get_callstate(switch_channel_t *channel);
SWITCH_DECLARE(const char *) switch_channel_callstate2str(switch_channel_callstate_t callstate);
-SWITCH_DECLARE(switch_call_cause_t) switch_channel_str2callstate(const char *str);
+SWITCH_DECLARE(switch_channel_callstate_t) switch_channel_str2callstate(const char *str);
SWITCH_DECLARE(void) switch_channel_mark_hold(switch_channel_t *channel, switch_bool_t on);
/** @} */