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security considerations sip notification scalability state management event package xml authentication dynamic registration registration

sip user agents notifications security authorization refer message body header fields event package

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security considerations message waiting message summary user agent sip notification mime types event package voice message standardization

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session policies user agent sip notifications session initiation protocol security event package tls authentication policy server

dialog package communication sip notifications authorization event package xml media feature parameters standards track authentication

settings sip notifications authorization poc event package xml authentication media

sip notification authorization event package xml standards track authentication media conference

security considerations sip notification authorization resource lists consent event package xml authentication

sip rfc gruu event package registration

voip quality reporting sip rtp event package

sip notifications security mime types centralized conferencing event package xml xcon protocol