SIP URI
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... uncompressed OPTIONS request to its outbound proxy. The outbound
proxy can provide an alternative SIP URI with the comp=sigcomp
parameter in a Contact header field ...
... compressed is not a problem, since user agents can REGISTER a SIP URI
with comp=sigcomp in their registrar. All incoming requests for the
...
... with comp=sigcomp in their registrar. All incoming requests for the
user will be sent to this SIP URI using compression.
...