[Freeswitch-users] help in architecture

Thu Jun 11 17:27:10 MSD 2015

Kamailio is a natural choice for a lot of the "Class 4" call processing that doesn't require higher-order/application-level media services in general.

--
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter Center North, Suite 300
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  Original Message  
From: Stanislav Sinyagin
Sent: Thursday, June 11, 2015 09:20
To: FreeSWITCH Users Help
Reply To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] help in architecture

I like Kamailio, but actually both can do this job nicely. We could
even create a config that works for both :-)

we only need to find enough business interest and sponsorship for such
a project.

On Thu, Jun 11, 2015 at 2:17 PM, Victor Medina
<victor.medina at cibersys.com> wrote:
> Why not OpenSIPS? I find OpenSIPS documentation way better and both projects
> are quite similar
>
> El 10/06/2015 19:21, "Giovanni Maruzzelli" <gmaruzz at gmail.com> escribió:
>>
>>
>> On Thu, Jun 11, 2015 at 12:24 AM, Stanislav Sinyagin <ssinyagin at gmail.com>
>> wrote:
>>>
>>> How about an open-design and open-source project? Many companies want
>>> the same, and now they have to design and build the whole thing from
>>> scratch. Everyone could actually benefit from a joint effort instead.
>>>
>>> I think residential mass service should be completely separated from
>>> business PBX service, as they have completely orthogonal requirements.
>>>
>>> I would propose something like this for residential users:
>>>
>>> 1. Kamailio cluster handles user registrations and SIP OPTIONS pings.
>>> It also blocks some basic scanning and DOS attacks. The user
>>> registrations are stored in a backend SQL database.
>>>
>>> 2. Calls from users are handled by Kamailio's DISPATCHER module, and
>>> it sends them to a pool of FreeSWITCH media servers in round-robin or
>>> hash-based fashion.
>>>
>>> 3. As the call from a user arrives to FreeSWITCH server, it places it
>>> to &park() application. Then, an external routing program catches this
>>> event via ESL, and makes the routing decision: if the destination is
>>> one of our own users, we take the user's location from Kamailio's
>>> registrar database and send the call to Kamailio for further
>>> forwarding to the user (the SIP INVITE toward the user should come
>>> from registrar's IP address and port, otherwise NAT firewalls will
>>> block it).
>>>
>>> 4. If the destination is not our own user, the routing program sends
>>> the call to one of PSTN trunks. Here it may also have some logic, like
>>> cost optimization and trunk status monitoring.
>>>
>>> 5. Incoming calls from PSTN are also parked and handled by our routing
>>> program.
>>>
>>> 6. If the SIP user is not reachable, the routing program looks up in
>>> user's preferences and sends the call to voicemail or forwarding
>>> destination. The user may also have some calendar or time-of-day
>>> options -- the program should actually be modular and extendable, so
>>> that new features are added as needed, and also third parties can add
>>> their own functionality.
>>>
>>> Golang.org is probably one of the best choices for such a routing
>>> program.
>>>
>>> -----------------
>>>
>>> for business PBX, it makes sense to register users at FreeSWITCH --
>>> then we have BLF and notofocations working out of the box. Kamailio
>>> can still be used for security screening and fault tolerance. Also
>>> business customers will want conference bridges, and probably video
>>> calls or video conferencing. So, here it's a completely different
>>> challenge, and needs to be designed separately. User registrations
>>> could be served with mod_xml_curl, and call routing could also be
>>> routed by an external program via ESL.
>>>
>>>
>>> I would be glad to jump in onto such a project if it were open-source
>>> and open-design.
>>>
>>
>> Also, you can have the same database table used by Kamailio for
>> registrations (read-write), used also by FreeSWITCH (read-only).
>>
>> That would greatly simplify things.
>>
>> Add a NAS for configurations and media storage (prompts, voicemails, etc),
>> some logic for having (audio|video) conferences participants to go on the
>> same box, and you have an interesting solution, that keep most of the logic
>> on FreeSWITCH side, and can permit to dish out "advanced" services to
>> residential customers too.
>>
>> -giovanni
>>
>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Jun 10, 2015 at 11:47 PM, Aqs Younas <aqsyounas at gmail.com> wrote:
>>> > Thanks your for reply.
>>> >
>>> > Alex: We are planning some pbx related functions too. Like voicemail,
>>> > ivr,
>>> > block numbers.
>>> > Thats why we chose to keep registrations at freeswitch end.
>>> >
>>> > On 10 June 2015 at 14:38, Aqs Younas <aqsyounas at gmail.com> wrote:
>>> >>
>>> >> Thanks for your reply.
>>> >>
>>> >> Stanislav Sinyagin : Majority of them are residential users with
>>> >> simple
>>> >> service.
>>> >>
>>> >>
>>> >> On 10 June 2015 at 14:13, Stanislav Sinyagin <ssinyagin at gmail.com>
>>> >> wrote:
>>> >>>
>>> >>> Are those residential users with a uniform and simple service, or
>>> >>> business customers with small work groups and business-specific call
>>> >>> routing?
>>> >>>
>>> >>> On Jun 10, 2015 10:54 PM, "Aqs Younas" <aqsyounas at gmail.com> wrote:
>>> >>>>
>>> >>>> Hi,
>>> >>>>
>>> >>>> Hope you all are having a good day. :)
>>> >>>>
>>> >>>> I need some suggestions in designing SIP trunking with freeswitch.
>>> >>>> We are required to register more than 10,000 users on multiple
>>> >>>> freeswitch instances sharing same database.
>>> >>>>
>>> >>>> How can we load balance registration on each freeswitch so, they
>>> >>>> have
>>> >>>> equal number of registrations.
>>> >>>>
>>> >>>> I know with mod_xml_curl i can have freeswitch share same database.
>>> >>>> But
>>> >>>> how can i load balance registrations?
>>> >>>> (inbound calls must be directed to that freeswitch with which user
>>> >>>> is
>>> >>>> registered)
>>> >>>>
>>> >>>> Or any suggestion how we can achieve this, so, that we can add more
>>> >>>> freeswitch in future.
>>> >>>>
>>> >>>> Thanks for your help.
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>> _________________________________________________________________________
>>> >>>> Professional FreeSWITCH Consulting Services:
>>> >>>> consulting at freeswitch.org
>>> >>>> http://www.freeswitchsolutions.com
>>> >>>>
>>> >>>> Official FreeSWITCH Sites
>>> >>>> http://www.freeswitch.org
>>> >>>> http://confluence.freeswitch.org
>>> >>>> http://www.cluecon.com
>>> >>>>
>>> >>>> FreeSWITCH-users mailing list
>>> >>>> FreeSWITCH-users at lists.freeswitch.org
>>> >>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> >>>>
>>> >>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> >>>> http://www.freeswitch.org
>>> >>>
>>> >>>
>>> >>>
>>> >>> _________________________________________________________________________
>>> >>> Professional FreeSWITCH Consulting Services:
>>> >>> consulting at freeswitch.org
>>> >>> http://www.freeswitchsolutions.com
>>> >>>
>>> >>> Official FreeSWITCH Sites
>>> >>> http://www.freeswitch.org
>>> >>> http://confluence.freeswitch.org
>>> >>> http://www.cluecon.com
>>> >>>
>>> >>> FreeSWITCH-users mailing list
>>> >>> FreeSWITCH-users at lists.freeswitch.org
>>> >>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> >>>
>>> >>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> >>> http://www.freeswitch.org
>>> >>
>>> >>
>>> >
>>> >
>>> >
>>> > _________________________________________________________________________
>>> > Professional FreeSWITCH Consulting Services:
>>> > consulting at freeswitch.org
>>> > http://www.freeswitchsolutions.com
>>> >
>>> > Official FreeSWITCH Sites
>>> > http://www.freeswitch.org
>>> > http://confluence.freeswitch.org
>>> > http://www.cluecon.com
>>> >
>>> > FreeSWITCH-users mailing list
>>> > FreeSWITCH-users at lists.freeswitch.org
>>> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> >
>>> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> > http://www.freeswitch.org
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>
>>
>>
>>
>> --
>> Sincerely,
>>
>> Giovanni Maruzzelli
>> Cell : +39-347-2665618
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org

_________________________________________________________________________
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