VoIP SIP Signalling
Admin
No
Yes
No
Specifies whether or not the presence of an inbound REPLACES header should be used to control attended transfers. If set to No, attended transfer will not proceed unless a REPLACES header has been received inbound. If set to Yes, attended transfer will continue regardless of a REPLACES header being received inbound.
See VoIP SIP attended transfer for more information on attended transfer.