[SIPForum-discussion] an parameter in From header

[devibalas sdevibala]

Hi guys,
 can any one let me know the usage of an parameter in 'FROM' header.


From: xxxxx1310 <sip:xxxxxxx;*an=xxxxx1311*
@xxxxxx.port;user=phone>;tag=xxxx4190EC0000

Rgds,
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