[SIPForum-discussion] How to use lr parameter in URI

[harish T]

While reading RFC 3261 i could not make out the difference between
"URI that contain the lr parameter" and
"URI does not contain lr parameter"

case 1:
   if first URI doen't contain lr parameter then
          <sip:proxy1>,<sip:proxy2>,<sip:proxy3;lr>,<sip:proxy4>

   The request will be formed with the following Request-URI and Route
   header field:

   METHOD sip:proxy1
   Route: <sip:proxy2>,<sip:proxy3;lr>,<sip:proxy4>,<sip:user at remoteua>

case 2: (is this correct?)

 if first URI contain lr parameter then
          <sip:proxy1;lr>,<sip:proxy2>,<sip:proxy3>,<sip:proxy4>

   The request will be formed with the following Request-URI and Route
   header field:

   METHOD sip:proxy1
   Route: <sip:proxy2>,<sip:proxy3>,<sip:proxy4>,<sip:user at remoteua>

Is this correct?...

I could not understand the lr concept ...if any one knows please
explain how to use lr  parameter...
if possible please provide simple example







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With regards
Harish.T
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