Cited by: RFC 7621
1 RFCs whose text mentions RFC 7621 (A Clarification on the Use of Globally Routable User Agent URIs (GRUUs) in the SIP Event Notification Framework), newest first
| RFC | Title | Status | Date |
|---|---|---|---|
| 7647 | Clarifications for the Use of REFER with RFC 6665 | Proposed Standard | September 2015 |