[SR-Users] authenticating users based on IP address and limiting the number of channels for the users using Kamailio 3.0 and Siremis 1.0

[Shrouk Khan]

hi,
i have been looking for a way to authenticate users based on the IP from
they come from . Also i would like to limit the number of channels (
simultaneous calls) that each user can make . is their any way to do this
using kamailio 3.0 and siremis 1.0 ?

my configuration is like this:

sipphones --->UserGroup1(Asterisk
PBX)---->KamailioSipProxy--->AsteriskPSTNGateway--->PSTN

1. there can be many softphones on the user group 1 and there can be
multiple calls coming from there at any time.
2. UserGroup1 is actually another SIP proxy [asterisk] with a fixed public
IP
3. Kamailio Sip proxy is the one i am trying to configure . I would like to
authenticate UserGroup1 based on its public IP address
4. From kamailio , calls will be forwarded to a asterisk pstn gateway. I
would like to put restriction on this one : " User group 1 can not make more
than 5 concurrent calls at a time"

can anyone give me some suggestion or point me in some direction where I can
do some reading on this one.

Aslo , what would be best way to bill this UserGroup1 ? Using FreeRadius and
CDRTool ?




-- 
Regards

Shrouk Khan (Khan)
System Administrator / Telecommunication System Developer
Office:   +354 4400807 (Reykjavik)
           +44   2031370800 (London)
Mobile:  +66  875049439 (Bangkok)

Web: www.softverk.is

Reykjavik, Iceland  //  London, UK   //  Bangkok, Thailand
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