[SIPForum-discussion] Are "<" and ">" mandatory?

Robert Sparks rjsparks at nostrum.com
Wed Dec 5 19:33:17 UTC 2007

Go read the section in 3261 on To: and From:

basically the <>s have to be there in any production rule that uses  
name-addr when the name part is non-empty or the addr part contains  
certain characters.
Use the spec to find the details.


On Dec 5, 2007, at 10:59 AM, Andrea Puddu wrote:

> Hello,
> I am investigating on an issue regarding the call transfer scenario.
> By now, the main issue seems to be the missing response by the  
> Application Server to the NOTIFY request of the transferor party.
> First of all, after the NOTIFY request, I expect the SBC (or the  
> Application Server)  to send a 202 Accepted. This does not happen.  
> The SBC does not send anything.
> Having a look at the NOTIFY syntax, I noticed that  "<" and ">" are  
> missing in some filed, like "Refer-to" and "Referred-by".
> Does anyone know if "<" and ">" are mandatory to delimit all SIP  
> header fields?
> Thanks 1000,
> Andrea
> Rendi più ricco il tuo blog con Windows Live Writer! Windows Live  
> Spaces
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