[SIPForum-discussion] help on From header

[XIAO Xiaohong]

Hello,
 
Could somebody tell me following From header is valid or not? Which rfc
specified "user=phone"?
 
 
From:Anonymous<sip:Anonymous at anonymous.invalid;user=phone>;tag=F43632463
13536415576E403

 
The SIP stack in my equipment complains when it is trying to decoding
above From header.
  
  STACK ERROR:Syntax error while parsing Tel/related
  STACK ERROR:syntax error, unexpected ALPHAS, expecting ISDNTAG or
EXTENSIONTAG or PHONETAG
 
 
If we change the From header to
 
From:Anonymous<sip:Anonymous at anonymous.invalid>;tag=F4363246313536415576
E403
 
Then everything is OK.
 
 
Thank you.
 



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