[Asterisk-Dev] REFER / NOTIFY methods according to RFC-3515

[Olle E Johansson]

Lea wrote:
> I noticed that in the file "chan_sip.c" there is a constant 
> SIP_REFER. 
> 
> Does this mean that Asterisk can initiate SIP-SIP transfers with 
> the REFER / NOTIFY methods according to RFC-3515 ? 
> 
> If not, why not ? ...after all RFC-3515 is almost 3 years old 
> and I thought Asterisk is on the cutting edge of VoIP... 
We do support REFER/NOTIFY.

> 
> Anyway, if somebody has some code to make Asterisk compliant 
> with this RFC-3515 or some hidden #defines or maybe compiler 
> options to enable this crucial transfer functionality, please 
> scribble something back. 
I am working (and have been for a long time) on improving the support, 
but the basic support for transfers with REFER is there.

/O