IETF RFC 6223
Indication of Support for Keep-Alive
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| Organization: | IETF |
| Publication Date: | 1 April 2011 |
| Status: | active |
| Page Count: | 18 |
scope:
Abstract
This specification defines a new Session Initiation Protocol (SIP) Via header field parameter, "keep", which allows adjacent SIP entities to explicitly negotiate usage of the Network Address Translation (NAT) keep-alive mechanisms defined in SIP Outbound, in cases where SIP Outbound is not supported, cannot be applied, or where usage of keep-alives is not implicitly negotiated as part of the SIP Outbound negotiation.
Document History
IETF RFC 6223
April 1, 2011
Indication of Support for Keep-Alive
Abstract
This specification defines a new Session Initiation Protocol (SIP) Via header field parameter, "keep", which allows adjacent SIP entities to explicitly negotiate usage of the Network...