SIP Transfer Issues
Pingtel Corp.
Transfer features in SIP have been enabled via the REFER method and Replaces header. These constructs have been around for a while now with stable definitions for how they work. However, there appear to be a small set of edge cases and requirements that are not yet satisfied. This draft attempts to define some of those cases and requirements. This is intended to spark discussion to whether these are legitimate requirements on which further standards work is appropriate.