[OpenSIPS-Users] b2b refer scenario

Anca Vamanu anca at opensips.org
Wed Jan 5 18:28:40 CET 2011

On 01/05/2011 07:09 PM, a.zagorskiy at oyster-telecom.ru wrote:
> Uh yes, I was completely inattentive while reading the tutorail..
> So, there is no other way that call b2b_init_request("refer") on each 
> first INVITE to catch potential REFER request?..
Yes, there is no other way but to call it on the initial Invite.
> Also, I need to call top hiding scenario on certain INVITEs. Is it 
> possible to call 2 b2b_init_request at one time (top hiding + refer)? 
> Or I should make 2 B2B transactions - first for potential REFER and 
> second for 'my' INVITEs? Last case doesn't look good...
If you call b2b_init_request("refer"), then the B2BUA will do topology 
hiding except for when a REFER is received, so in fact you just need to 
call only once b2b_init_request with "refer" scenario.


Anca Vamanu

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