Hi!
In the RFC 3264 described, it is not recommended to
set connection adress as 0.0.0.0 for hold call.
In the draft "draft-ietf-sipping-service-examples-02.txt",
it is to increment the the version value in the o= field of the SDP for hold call.
How much value should be incremented at the version value?
Is there a clear document described the detail implement issues?
Thanks!
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