I configured freeswitch (FreeSWITCH Version 1.5.15b+git~20141117T202539Z~424df19083~64bit) on Ubuntu 12.04. It works properly. I’m using xml_curl module to generate the dialplan. Then I set the media bypass parameter on freeswitch dialplan. But the freeswitch crashed when following dialplan was given. <document type="freeswitch/xml"> <section name="dialplan" description="RE Dial Plan For FreeSwitch"> <context name="130_131_SANASA"> <extension name="2022"> <condition field="destination_number" expression="[^\s]*"> <action application="set" data="ringback=${us-ring}" /> <action application="export" data="OperationType=User" /> <action application="export" data="CustomCompanyStr=131_130" /> <action application="export" data="FromGuUserId=14111215533245504" /> <action application="export" data="ToGuUserId=14111215495317100" /> <action application="export" data="FromUser=sanasains2023_sanasa_lk" /> <action application="export" data="FromNumber=2023" /> <action application="export" data="nolocal:ToNumber=2022" /> <action application="export" data="nolocal:ToUser=sanasains2022_sanasa_lk" /> <action application="set" data="continue_on_fail=true" /> <action application="set" data="hangup_after_bridge=true" /> <action application="set" data="ignore_early_media=false" /> <action application="set" data="bypass_media=true" /> <action application="bind_meta_app" data="3 ab s execute_extension::att_xfer XML PBXFeatures" /> <action application="bind_meta_app" data="4 ab s execute_extension::att_xfer_group XML PBXFeatures" /> <action application="bind_meta_app" data="6 ab s execute_extension::att_xfer_outbound XML PBXFeatures" /> <action application="bind_meta_app" data="5 ab s execute_extension::att_xfer_conference XML PBXFeatures" /> <action application="bridge" data="[leg_timeout=60,origination_caller_id_name=sanasains2023_sanasa_lk,origination_caller_id_number=2023]user/ 2022@192.168.51.X <2022@192.168.51.86>X,pickup/3003" /> <action application="hangup" /> </condition> </extension> </context> </section> </document In here I ‘m using attendant transfer feature. Here I have attached the print screen of freeswitch console just after it crashed. Kindly advise me to solve this problem. -- Thanking You.. Achintha