422
SIP
422 Session Interval Too Small
The request's Session-Expires value is too small. The Min-SE header in the response indicates the minimum acceptable session interval.
Cuándo verás este código
When using SIP session timers (RFC 4028) and the proposed session refresh interval is below the server's minimum.
Cómo solucionarlo
Increase the Session-Expires value to at least the value indicated in the Min-SE header of the 422 response.
Especificación
Comparar con
Guías
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Protocol Deep Dives
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