sms_forward.lua

--! @usage
-- forward incoming message to some extension
-- <action application="lua" data="sms_forward.lua '${from}' '100@my.domain.com'" />

local function escape(s)
  s = string.gsub(s, '\\', '\\\\')
  s = string.gsub(s, '|', '\\|')
  return s
end

local from = assert(argv[1])
local to   = assert(argv[2])
local type = message:getHeader('type') or 'text/plain'
local body = message:getBody() or ''

local api = freeswitch.API()

local result = api:execute('chat', table.concat({
  'sip', escape(from), escape(to), escape(body), escape(type)
}, '|'))

local msg = string.format('[sms_forward] message(%s) `%s`/`%s` forwarded to `%s`/`%s`: %s\n',
  type,
  message:getHeader('from') or '----',
  message:getHeader('to') or '----',
  from, to, result
)
local level = (result == 'Sent') and 'debug' or 'err'

freeswitch.consoleLog(level, msg)