SIP

SIP 182 Queued vs 380 Alternative Service

SIP 182 (Queued) is a 1xx Provisional response, while 380 (Alternative Service) is a 3xx Redirection response. 182 indicates that the called party is temporarily unavailable but the server has decided to queue the call rather than reject it. The call will be attempted when the callee becomes available. In contrast, 380 means that the call was not successful but alternative services are possible. The response body contains a description of alternative services.

Beschreibung

The called party is temporarily unavailable but the server has decided to queue the call rather than reject it. The call will be attempted when the callee becomes available.

Wann Sie es sehen

In call center or queuing scenarios where the callee is busy but the system holds the call in a queue.

Wie man es behebt

Wait for the call to be dequeued. If queuing is not desired, configure the server to reject calls instead of queuing them.

Beschreibung

The call was not successful but alternative services are possible. The response body contains a description of alternative services.

Wann Sie es sehen

Rarely seen in practice. Indicates that the request cannot be fulfilled as-is but the user may be reached via an alternative method.

Wie man es behebt

Check the response body for alternative service descriptions and attempt to reach the user through those channels.

Wesentliche Unterschiede

1.

182 is a 1xx Provisional response, while 380 is a 3xx Redirection response.

2.

SIP 182: The called party is temporarily unavailable but the server has decided to queue the call rather than reject it. The call will be attempted when the callee becomes available.

3.

SIP 380: The call was not successful but alternative services are possible. The response body contains a description of alternative services.

4.

You encounter 182 when in call center or queuing scenarios where the callee is busy but the system holds the call in a queue.

5.

You encounter 380 when rarely seen in practice. Indicates that the request cannot be fulfilled as-is but the user may be reached via an alternative method.

Wann welchen verwenden

For 182 (Queued): Wait for the call to be dequeued. If queuing is not desired, configure the server to reject calls instead of queuing them. For 380 (Alternative Service): Check the response body for alternative service descriptions and attempt to reach the user through those channels.

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