In the source that I've read (admittedly it's pretty old - 1.2.7.1)
SipAddHeader() only appears to work on INVITEs.
> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com
> [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of
> ron.asterisk.users@mcleodnet.com
> Sent: 26 October 2006 23:23
> To: asterisk-users@lists.digium.com
> Subject: [asterisk-users] SipAddHeader
>
> Does SipAddHeader only allow headers to be added to INVITEs,
> or should it also allow headers to be added BYEs or SIP
> responses as well?
>
>
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