Hi Alexandre,
This was Open Issue #203, the resolution of which
was to disallow port in From and To. Table 1 of bis-09 now
reflects this.
Subhash Nayak.
Hughes Software Systems.
Alexandre Charest <[EMAIL PROTECTED]> on 03/28/2002 07:07:54 PM
To: "'???'" <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
cc: (bcc: Subhash Ullal Nayak/HSSBLR)
Subject: RE: [Sip-implementors] A basic sip question
Can you give the reference in bis09 that makes you think that port is
forbidden in From an To? I could not find it anywhere. Can you give the
line
numbers or at least the paragraph?
Alexandre Charest
-----Original Message-----
From: ??? [mailto:[EMAIL PROTECTED]]
Sent: March 28, 2002 03:49 AM
To: luoqiang; [EMAIL PROTECTED]
Subject: RE: [Sip-implementors] A basic sip question
address of ua1 -> Contact
But, response path is Via header.
As bis09, From and To don't accept port.
t:sip:[EMAIL PROTECTED]:5060
==> t:sip:[EMAIL PROTECTED]
khlee
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of luoqiang
Sent: Thursday, March 28, 2002 1:34 AM
To: [EMAIL PROTECTED]
Subject: [Sip-implementors] A basic sip question
Hi,
I am a beginer for sip.
After reading the rfc,I have some questions.
e.g:
ua1: sip:[EMAIL PROTECTED]:5060
ua2: sip:[EMAIL PROTECTED]:5061
when ua1 call ua2,the message would be:
INVITE sip:[EMAIL PROTECTED]:5061 SIP/2.0
v:SIP/2.0/UDP 10.10.1.1
f:sip:[EMAIL PROTECTED]
t:sip:[EMAIL PROTECTED]:5060
i:[EMAIL PROTECTED]
m:[EMAIL PROTECTED]:5061
c:application/sdp
Suppose there are no proxies between them.
The message should be forworded to ua2 and ua2 should send a 180 response.
But where does the ua2 get the adress of ua1?
Via?From?Contact?
I was puzzled after reading the rfc,because it seems that all above headers
is correct.
Which is the ua2's chioce?
Thanks!
luoqiang
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