[Asterisk-Users] Setting channel display in SIP

[Eric Wieling aka ManxPower]

Howard Lowndes wrote:

> I have actually got a bit more cunning that this by using sipgetheader()
> and sipaddheader().
> 
> The default user name is "asterisk", hard coded in chan_sip.c, so what I
> did was to use sipgetheader() to get the From: header, then I cut() it
> at the ":" character and the "@" character and checked the string
> between these two characters.  If the string was "asterisk" then I did
> sipaddheader(From: ${PIECE_BEFORE}:replacement-string@${PIECE_AFTER}).
> 
> OK, so it adds a second From: header, but as it gets added after the
> original it doesn't seem to matter because it works and
> "replacement-string" is what gets displayed on the phone, which is what
> I want.  I also don't see that the tag= in the header makes any
> difference either.
> 
> Can anyone see any probs I am likely to encounter using this?

Well if you like killing a fly with a with a tactical nuke, then no 
there's nothing wrong with how you are doing it.  The rest of us just 
use the Caller*ID functions of Asterisk to accomplish it.