Quote from "14 Modifying an Existing Session" in RFC3261:
"However, automated generation of re-INVITE or BYE is NOT RECOMMENDED to avoid
flooding the network with traffic when there is congestion."
Is it OK to change the parameters of a dialog using such automated generation
of re-INVITE?
>Hi!
>There is a problem, I need a help.
>
>In a session, if a UA found there is a little congestion in the IP
>network, and it want to modify the initial parameters of session to low
>the rate of RTP by changing codec as to keep call on, then there may be a
>negotiation between two UAs.
>
>The problem is how to exchange such mid-call infomation between two UAs in a
>session?
>INFO is designed to carry mid-call information along the SIP signaling
>path during the session, but not used to change the state of SIP calls, or
>the parameters of the sessions SIP initiates.
>
>"In addition, the SIP re-INVITE can be used during a session to change
>the characteristics of the session. This is generally to change the
>properties of media flows related to the session or to update the SIP
>session timer."
>
>What's good method?
>
>Thanks for any advice and suggestion!
---------------------------------
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