Refer RFC 3261, Section 7.3.1

   Each of the following blocks is valid but not equivalent to the
   others:

      Route: <sip:[email protected]>
      Route: <sip:[email protected]>
      Route: <sip:[email protected]>

      Route: <sip:[email protected]>
      Route: <sip:[email protected]>
      Route: <sip:[email protected]>

      Route: <sip:[email protected]>,<sip:[email protected]>,
             <sip:[email protected]>

..
..

   Even though an arbitrary number of parameter pairs may be attached to
   a header field value, any given parameter-name MUST NOT appear more
   than once.

IMO, 2 RRs are valid, however 2 lr's are not. However, from implementation 
perspective, you can chose to ignore the duplicate parameter value.

Regards,
Tarun Gupta
Aricent

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of William 
Scott
Sent: Wednesday, December 21, 2011 11:34 AM
To: [email protected]
Subject: [Sip-implementors] Route-Record

Hi,

I have a ATA that produces...

Record-Route: <sip:202.85.243.105;lr;lr>
Record-Route: <sip:202.85.243.105:5070;lr;lr>

in the 200 OK reply to an INVITE.


Good, bad or doesn't matter?
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