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TimeStampHeader (JSIP API v1.2)
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<b>JSIP API v1.2<br><font size=-1>November 2006</font></b></EM>
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javax.sip.header</FONT>
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Interface TimeStampHeader</H2>
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<DT><B>All Superinterfaces:</B> <DD>java.lang.Cloneable, <A HREF="../../../javax/sip/header/Header.html" title="interface in javax.sip.header">Header</A>, java.io.Serializable</DD>
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<DT><PRE>public interface <B>TimeStampHeader</B><DT>extends <A HREF="../../../javax/sip/header/Header.html" title="interface in javax.sip.header">Header</A></DL>
</PRE>
<P>
The Timestamp header field describes when the UAC sent the request to the UAS. When a 100 (Trying) response is generated, any Timestamp header field present in the request MUST be copied into this 100 (Trying) response. If there is a delay in generating the response, the UAS SHOULD add a delay value into the Timestamp value in the response. This value MUST contain the difference between the time of sending of the response and receipt of the request, measured in seconds. Although there is no normative behavior defined here that makes use of the header, it allows for extensions or SIP applications to obtain RTT estimates, that may be used to adjust the timeout value for retransmissions. <p> For Example:<br> <code>Timestamp: 54</code>
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<DT><B>Author:</B></DT>
<DD>BEA Systems, NIST</DD>
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<CODE>static java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#NAME">NAME</A></B></CODE>
<BR>
Name of TimeStampHeader</TD>
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<CODE> float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#getDelay()">getDelay</A></B>()</CODE>
<BR>
<B>Deprecated.</B> <I>This method is replaced with <A HREF="../../../javax/sip/header/TimeStampHeader.html#getTimeDelay()"><CODE>getTimeDelay()</CODE></A>.</I></TD>
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<CODE> long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#getTime()">getTime</A></B>()</CODE>
<BR>
Gets the timestamp value of this TimeStampHeader.</TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#getTimeDelay()">getTimeDelay</A></B>()</CODE>
<BR>
Gets delay of TimeStampHeader.</TD>
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<CODE> float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#getTimeStamp()">getTimeStamp</A></B>()</CODE>
<BR>
<B>Deprecated.</B> <I>This method is replaced with <A HREF="../../../javax/sip/header/TimeStampHeader.html#getTime()"><CODE>getTime()</CODE></A>.</I></TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#setDelay(float)">setDelay</A></B>(float delay)</CODE>
<BR>
<B>Deprecated.</B> <I>This method is replaced with <A HREF="../../../javax/sip/header/TimeStampHeader.html#setTimeDelay(int)"><CODE>setTimeDelay(int)</CODE></A>.</I></TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#setTime(long)">setTime</A></B>(long timeStamp)</CODE>
<BR>
Sets the timestamp value of this TimeStampHeader to the new timestamp value passed to this method.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#setTimeDelay(int)">setTimeDelay</A></B>(int delay)</CODE>
<BR>
Sets the new delay value of the TimestampHeader to the delay parameter passed to this method</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/sip/header/TimeStampHeader.html#setTimeStamp(float)">setTimeStamp</A></B>(float timeStamp)</CODE>
<BR>
<B>Deprecated.</B> <I>This method is replaced with <A HREF="../../../javax/sip/header/TimeStampHeader.html#setTimeStamp(float)"><CODE>setTimeStamp(float)</CODE></A>.</I></TD>
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<TH ALIGN="left"><B>Methods inherited from interface javax.sip.header.<A HREF="../../../javax/sip/header/Header.html" title="interface in javax.sip.header">Header</A></B></TH>
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<TD><CODE><A HREF="../../../javax/sip/header/Header.html#clone()">clone</A>, <A HREF="../../../javax/sip/header/Header.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../javax/sip/header/Header.html#getName()">getName</A>, <A HREF="../../../javax/sip/header/Header.html#hashCode()">hashCode</A>, <A HREF="../../../javax/sip/header/Header.html#toString()">toString</A></CODE></TD>
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<A NAME="NAME"><!-- --></A><H3>
NAME</H3>
<PRE>
static final java.lang.String <B>NAME</B></PRE>
<DL>
<DD>Name of TimeStampHeader
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<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.sip.header.TimeStampHeader.NAME">Constant Field Values</A></DL>
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