freeswitch对接mrcp，收到nua_i_bye就停止检测了，32秒后停止检测了。是哪里的配置问题吗？

2020-02-19 17:09:01.625665 [INFO] mrcp_sofiasip_client_agent.c:609 () Receive SIP Event [nua_i_bye] Status 200 Session Terminated [unimrcpserver-mrcp2]
2020-02-19 17:09:01.625665 [INFO] mrcp_sofiasip_client_agent.c:609 () Receive SIP Event [nua_i_state] Status 200 Session Terminated [unimrcpserver-mrcp2]
2020-02-19 17:09:01.625665 [NOTICE] mrcp_sofiasip_client_agent.c:547 (ASR-3) SIP Call State ASR-3 [terminated]