| Explicit Congestion Notification (ECN) for RTP over UDP | 10 | 0.85 | 2012 |
| Negotiation of Generic Image Attributes in the Session Description Protocol (SDP) | 0 | 0.34 | 2011 |
| Support for Reduced-Size Real-Time Transport Control Protocol (RTCP): Opportunities and Consequences | 5 | 0.49 | 2009 |
