[OpenSIPS-Users] Topology Hiding Presence Proxy

Bogdan-Andrei Iancu bogdan at opensips.org
Fri Nov 17 04:28:18 EST 2017

Hi Nathan,

Based on your description you do not want topology-hiding (to simply 
hide IPs from the end-points), but a mid-presence agent, right ?


Bogdan-Andrei Iancu
   OpenSIPS Founder and Developer

On 11/17/2017 08:13 AM, Nathan Baker wrote:
> Hello,
> I have been looking for some examples on how to use the topology 
> hiding module and proxying presence (SUBSCRIBE, NOTIFY, etc.) 
> together, similar to how the mid_registrar module would handle 
> registrations.  Does anyone have any examples or suggestions on how to 
> do this?
> I have the clients subscribing to the server (through OpenSIPS proxy 
> to another presence server), but I'm not sure how to store the 
> subscriptions and how to route the presence messages.  For 
> registrations you can just do save("location"), but is there an 
> equivalent for subscriptions/presence?  It seems like the 
> handle_subscribe() function from the presence module wouldn't apply 
> because it's part of a presence server, or can you just use it for 
> storing subscriptions but never publish anything?  I don't see a 
> function to look up these stored subscriptions.
> Would it be better to just assume that the subscriptions are valid and 
> relay the messages?  If so, what is the best way to handle the routing?
> Any help or insight would be greatly appreciated!
> Thanks,
> Nate
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