SIP

380 Alternative Service

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

When You See This Code

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

How to Fix

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

Specification

View RFC / Specification →

Guides

Glossary