[Asterisk-Users] RFC 3262 PRACK

Wed Dec 21 01:21:22 MST 2005

Trond Andersen wrote:
> Does Asterisk have SIP support for PRACK/100rel? 
No.

> Asterisk does also seem to filter out some SIP header fields.  Is there
> a way I can force Asterisk to pass on ALL SIP header fields?
With the SIP_HEADER dial plan function you can reach all.

We do not parse all headers, but does not filter. Can you explain more
so I understand what you are looking for?

/O