Just it. "sl_send_reply()" allows any psudo-variable as code and reason phrase while "t_relay()" requires a fixed string: http://www.openser.org/docs/modules/1.3.x/sl.html#AEN90 http://www.openser.org/docs/modules/1.3.x/tm.html#AEN389 Any reason for this? -- Iñaki Baz Castillo ibc at in.ilimit.es