[asterisk-dev] Limiting Number of registrations

[Alexander Lopez]

Expand your rules to check for remote IP and Device IP both of these are
available with the functions for SIP.

First Conpare the the EXTERNAL Ip's if they match a currently registered
account, then check the INTERNAL IP, if it holds true then allow the
(re)-registration. If not block.
 

> -----Original Message-----
> From: asterisk-dev-bounces at lists.digium.com 
> [mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of 
> Rafael Vidal Aroca
> Sent: Monday, February 13, 2006 2:16 PM
> To: asterisk-dev at lists.digium.com
> Subject: [asterisk-dev] Limiting Number of registrations
> 
> 
>     Hi guys,
> 
>     i've been playing with chan_sip.c trying to add an 
> interesting feature in asterisk for voip providers, that 
> blocks a second SIP peer against registering in the server.
> 
>     That would work like that: first
>     client connects -> OK
>     second client tries to connect while the other is connect -> ERROR
> 
>     So, i used _sip_show_peers, and checked if the user is on 
> line. If it is online, it rejects the register. Now a great 
> problem arises! The update is exactly like the first 
> register, so after the first register, the client can't keep 
> the register correctly.
>    
>     I don't know if i explained well, but the ideia is to 
> block simultaneos connections. Does anyone have an idea or 
> hint of how that could be done?
> 
>     thanks
> 
> --
> Rafael Vidal Aroca
> 3WT - Wireless Web World Tech
> rafael at 3WT.com.br
> Tel/Fax: +55 16 3371-7761
> Cel: +55 16 8126-8014
> 
> 
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