Subject: [Sipping] P-DCS-LAES header

From: Sumit Garg <[email-masked]>
Date: Tue, 10 Feb 2009 13:53:45 -0800 (PST)

I have a query on draft-andreasen-sipping-rfc3603bis-07. Specifically, the P-DCS-LAES header as defined. From the draft (and the associated packetCable spec) I got the sense that the header is valid only for initial INVITE request for a call and the associated responses. 
1.) Is it okay to not have this header in an initial INVITE but in a 
    subsequent reINVITE?
2.) Is it okay to change the hostport specified in the Laes-Content 
    parameter in a subsequent reINVITE? This could be required due to 
    codec changes.

Forever,
Sumit
"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man."
-- George Bernard Shaw