<?xml version='1.0'?>

<reference anchor='RFC3603'>

<front>
<title>Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture</title>
<author initials='W.' surname='Marshall' fullname='W. Marshall'>
<organization /></author>
<author initials='F.' surname='Andreasen' fullname='F. Andreasen'>
<organization /></author>
<date month='October' year='2003' /></front>

<seriesInfo name='RFC' value='3603' />
<format type='TXT' octets='67509' target='ftp://ftp.isi.edu/in-notes/rfc3603.txt' />
</reference>
