[Serusers] Usrloc question

[Darren Nay]

Does anyone have any advice for me on issue?

Thanks for your help!
Darren Nay


"Darren Nay" wrote:
>
> Hey all,
>
>  
>
> I have a question regarding usrloc.  I have run into a problem..
>
>  
>
> We have static routes sent to an asterisk server for all of our SIP 
> usernames.  In addition our IAD’s will register with the same 
> username, so that calls coming into our switch for that username will 
> be routed to both the asterisk box and the SIP IAD.  This way, 
> whichever endpoint (IAD or asterisk) answers the call first will take 
> the call.
>
>  
>
> For example. 
>
>  
>
> root:/ # serctl ul show +18646404810
>
> <sip:+18646404810 at 192.168.1.60>;q=1;expires=-1012151
>
> <sip:+18646404810 at 192.168.1.157:5060>;q=;expires=403
>
>  
>
> 192.168.1.60 is the asterisk server.  This is a static route added by 
> serctl.
>
> 192.168.1.157 is my IAD which registers with the switch every 10 minutes.
>
> So when calls are made to (864) 640-4810 then SER will send an INVITE 
> to both location.
>
>  
>
> I explained all of this just to explain now what my problem is, and 
> ask if anyone may know a possible solution.
>
>  
>
> Now, we also use asterisk to perform call fwd’ing functions.  Asterisk 
> will answer the call and then originate another call out back to SER 
> to a new location.  Now the problem! (finally!)  This call fwd’ing 
> method works very well in most cases, except that if the call fwd’ing 
> is being sent to another location registered with SER then it will be 
> redirected back to asterisk again, albeit to a different URI, and 
> asterisk will kill the call because it thinks that it has looped 
> (which I guess it has… sort of).
>
>  
>
> So, I’m wondering if there is possibly a way to retrieve only the 
> usrloc locations that don’t contain the IP address 192.168.1.60 in the 
> contact URI?  This way I can just check if the src_ip is 192.168.1.60 
> and if so then retrieve all the usrloc locations – without asterisk – 
> and the call will not be redirected back to asterisk.
>
>  
>
> Is this possible?  Or if anyone has any other ideas that may help then 
> I am definitely open to suggestions. 
>
>  
>
> Thanks for your help!!
>
>  
>
> Darren Nay
>
> Ionosphere, Inc
>
> VoIP Network Development
>
> dnay at ionosphere.net <mailto:dnay at ionosphere.net>
>
>  
>
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