[reSIProcate] DNS question

[Robert Mansfield]

All,
 
Should the application use DNS procedures to ascertain the transport to
reach the next hop prior to sending the message to the sip stack? I've run a
test whereby I've submitted a INVITE request using "UDP" in the construct of
the Via header. The DNS lookup for the target returns with a TCP record so
the message is sent out via TCP but the text of the message still indicates
UDP. Is this valid? 
 
Regards,
 
Rob Mansfield
============================

Robert Mansfield

Senior Software Engineer

Redwood Technologies Limited

Tel +[44] (0)1344 304 344

Fax +[44] (0)1344 304 345

E:mail  <mailto:rjm at redwoodtech.com> mailto:rjm at redwoodtech.com

Web  <http://www.redwoodtech.com/> http://www.redwoodtech.com

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