Video Cross-Carrier Interoperability

Requirements and Best Practice Recommendations for Network-to-Network Interface and Client Implementations

The "Video Cross-Carrier Interoperability" document outlines the Industry level Requirements and Best Practices and Recommendations for Network-to-Network Interface and Client Implementation that would allow for cross-carrier support of Video calls.

This is written considering:

1. This document covers requirements for IP services provided by 3G, 4G and Wi-Fi technologies
2. The mandatory identity for video call interoperability is MSISDN/ MDN/Tel URI
3. Technology to realize the proposed requirements is SIP based
4. Media will be transported using RTP/ RTCP over UDP
5. P2P means: Point to Point (above Peer to Peer)

Also:

1. NNI – Network to Network Interface is the focus of all the delivery discussion and for which this group gives Requirements.
2. Client level – Device interface is shared as Best Practices and for which this group gives strong Recommendations.

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