[SIPForum-discussion] ACME: SIP header manipulation

[Hadriel Kaplan]

On Apr 29, 2012, at 3:34 AM, Michael Muller wrote:

> Idea:
> - Take a SIP-URI (e.g. sip:bob-m.mulder at foreigndomain.com) and translate 
> each character. Let´s take ASCI and put in some "*". So the user dials: 
> "*098*111*098*045*109*046*109*117*108*100*101*114@@foreigndomain.com". 
> (hint: the "sip:" part is automatically added on the phones)
> - Hopefully the PBX accepts this and it simply forwards it to the ACME SBC.
> 
> Question:
> - Will the ACME be able to translate it back to 
> "bob-m.mulder at foreigndomain.com" and will actually setup and hold the 
> connection?

Yup, in fact that trick's been done before.  :)
You can use header manip rules, or we can do it in SPL.

-hadriel