local function haveValue (a)
        return a and a ~= ""
end

local event = event
local freeswitch = freeswitch
freeswitch.consoleLog("info", event:serialize())
local api = freeswitch.API()

local uuid = tostring(event:getHeader("Other-Leg-Unique-ID"))
if uuid and uuid ~= "" then
        local recording_leg_uuid = tostring(event:getHeader("Unique-ID"))
        local recording_file_name = tostring(event:getHeader("variable_record_file_name"))
        local a_number = tostring(event:getHeader("Caller-Caller-ID-Number"))
        local b_called_by_a = tostring(api:executeString("hash select/stop_recording_b_by_a/"..recording_leg_uuid))
        local c_called_by_b = tostring(event:getHeader("Caller-Callee-ID-Number"))
        local c_called_by_b_hash = tostring(api:executeString("hash select/stop_recording_c_by_b/"..b_called_by_a))
        if c_called_by_b == c_called_by_b_hash and
           haveValue(c_called_by_b) and
           api:executeString("uuid_getvar " .. uuid .. " sofia_profile_name") == "external" then
                api:executeString("uuid_broadcast " .. recording_leg_uuid .. " stop_record_session::" .. recording_file_name)
        end
end