Symptom
When CUBE (Cisco Unified Border Element) sends a SIP INVITE with Session-ID header to peer SIP server and required authentication (407 Proxy Authentication Required), CUBE sends ACK against the 407 response. However, Session-ID header in the ACK is corrupted as follows.
Session-ID: ;remote=
This issue is 100% reproducible.
Conditions
This issue is observed in authentication call flow.
