[Freeswitch-users] How to add a SIP custom header when sending an SMS via socket interface

Hi I'm using the Freeswitch to send SMSs via socket interface:     bgapi chat sip|+13109927777|external/+5759988888@smsgw.com|test Is there a way to add a SIP custom header to the SIP MESSAGE request? Thanks in advance,  Leonardo Nogueira de Sá Pereira Tel.: +55 19 3307-5589 Cel.: +55 19 9122-5943 Skype: leonardo_pereira_77