Igor,
No, that is not normal. The UAS (the server receiving the initial
INVITE) is required to copy the Record-Route into dialog-forming responses.
From RFC 3261 Section 12.1.1 ("UAS Behavior"):
When a UAS responds to a request with a response that
establishes a dialog (such as a 2xx to INVITE), the UAS
MUST copy all Record-Route header field values from the
request into the response (including the URIs, URI
parameters, and any Record-Route header field parameters,
whether they are known or unknown to the UAS) and MUST
maintain the order of those values.
-- Alex
--
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter Center North, Suite 300
Atlanta, GA 30346
United States
Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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