hello,
I'm read the RFC2543.on the page 32,I can not understand the meaning of the "q value
"in the
paragraph as below:
This is useful to obtain the current list of registrations
in the response. Registrations using SIP URIs that differ
in one or more of host, port, transport-param or maddr-
param (see Figure 3) from an existing registration are
added to the list of registrations. Other URI types are
compared according to the standard URI equivalency rules
for the URI schema. If the URIs are equivalent to that of
an existing registration, the new registration replaces the
old one if it has a higher q value or, for the same value
of q, if the ttl value is higher. All current registrations
MUST share the same action value. Registrations that have
a different action than current registrations for the same
user MUST be rejected with status of 409 (Conflict).
thanks
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