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When present in an INVITE request, the Alert-Info header field specifies an alternative ring tone to the UAS. When present in a 180 (Ringing) response, the Alert-Info header field specifies an alternative ringback tone to the UAC. A typical usage is for a proxy to insert this header field to provide a distinctive ring feature.
The Alert-Info header field can introduce security risks, which are identical to the Call-Info header field risk, see section 20.9 of RFC3261. In addition, a user SHOULD be able to disable this feature selectively. This helps prevent disruptions that could result from the use of this header field by untrusted elements.
For Example:
Alert-Info:
Field Summary | |
static String |
NAME
Name of the AlertInfoHeader |
Method Summary | |
URI |
getAlertInfo()
Returns the AlertInfo value of this AlertInfoHeader. |
void |
setAlertInfo(URI alertInfo)
Sets the AlertInfo of the AlertInfoHeader to the alertInfo parameter value. |
Methods inherited from interface javax.sip.header.Parameters |
getParameter, getParameterNames, removeParameter, setParameter |
Methods inherited from interface javax.sip.header.Header |
clone, equals, getName, toString |
Field Detail |
public static final String NAME
Method Detail |
public void setAlertInfo(URI alertInfo)
alertInfo
- the new Alert Info URI of this AlertInfoHeader.public URI getAlertInfo()
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