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<p>Hello,</p>
<p>iirc, the user part is not mandatory in a Contact header. But I
don't remember by heart where that is specified ... should be
inside RFC3261.</p>
<p>Cheers,<br>
Daniel<br>
</p>
<div class="moz-cite-prefix">On 25.03.19 13:44, Duarte Rocha wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAAJJHZj0+0=cy3aQQhXRo-zHZV05dBvwSutJ0ia3vNmKHa+NGw@mail.gmail.com">
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<div dir="auto">Greetings,
<div dir="auto"><br>
</div>
<div dir="auto">On an INVITE the user part in the Contact header
mandatory? Can't seem to find info on this.</div>
<div dir="auto"><br>
</div>
<div dir="auto">Best regards, </div>
<div dir="auto"><br>
</div>
<div dir="auto">Duarte Rocha</div>
</div>
<br>
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