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Hi. I have read in some web sites that ASTERISK can support messages out of calls. What does it exactly means? 1 - Can a dialplan script accept and handle a message from a callee party, even before the call be connected? 2 - Can a ringing callee send SIP MESSAGE to the ASTERISK even before answer the call? 3- Could I use dialplan function MESSAGE() to receive SIP messages from callees, even

Hello My provider allows to activate/deactivate a forwarding rule by sending a SIP MESSAGE. This is done outside a call. That is, while there is no ongoing call, a SIP client just sends the following message: MESSAGE sip:543951354657 at callfwd.sip.providerx.com SIP/2.0 Call-ID: b9ba106e-613a-46b9-8a4d-0efb4dc0a0f2 CSeq: 1 MESSAGE To: <sip:543951354657 at