const char *invite_record_route = switch_channel_get_variable(tech_pvt->channel, "sip_invite_record_route");
const char *invite_route_uri = switch_channel_get_variable(tech_pvt->channel, "sip_invite_route_uri");
const char *invite_full_from = switch_channel_get_variable(tech_pvt->channel, "sip_invite_full_from");
const char *invite_full_to = switch_channel_get_variable(tech_pvt->channel, "sip_invite_full_to");
const char *handle_full_from = switch_channel_get_variable(tech_pvt->channel, "sip_handle_full_from");
const char *handle_full_to = switch_channel_get_variable(tech_pvt->channel, "sip_handle_full_to");
const char *force_full_from = switch_channel_get_variable(tech_pvt->channel, "sip_force_full_from");
const char *force_full_to = switch_channel_get_variable(tech_pvt->channel, "sip_force_full_to");
Glad to see you using FS José Luis! :-D Welcome.