The cost saving that will be the main reason before licenses is the amount of hardware resources currently used, the system we are using in total is using around 128 GB of RAM, 64 cores of CPU, and total of 4TB of storage;

That is for just basic telephony for around 400 phones with call recording for some with a mostly non working HA and not to mention the DSP devices for PRI lines and media resources for phones which is using almost an entire rack.

If such can be reduced for two kamailio nodes and a couple freeswitch nodes for any IVR / conferencing / voicemail that would at least lower the resources to the half of what being used if not more, keeping in mind that Calls per second count and concurrent calls count is really low.

To put this into perspective, to integrate the telephony system with MS Teams it will cost 70,000$ USD just for installation and basic configuration just to ring a deskphone when someone calls you on Teams..

---

From: Fred Posner <fred@pgpx.io>
Sent: Sunday, April 14, 2024 6:54:49 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
Cc: Mahmood Alkhalil <mahmood.alkhalil@outlook.com>
Subject: Re: [SR-Users] Real life examples of cost saving from using Kamailio and other FOSS SIP software

 

I think it’s misguided to approach FOSS as a cost savings move. Of course this is an obvious benefit with the main easily detected benefit being the lack of any cost for the software itself and no licensing / recurring license fees.



-- Fred Posner
Sent from mobile
Phone: +1 (352) 664-3733
qxork.com



> On Apr 14, 2024, at 8:22 AM, Mahmood Alkhalil via sr-users <sr-users@lists.kamailio.org> wrote:
>
> 
> Hi Everyone,
>
> I would like to hear some stories about moving away from proprietary telephony services whether on premises or on cloud to FOSS solutions and how much stable, secure, efficient and cost effective it was.
>
> I would like to present to my managers such cases to convince them to move away from proprietary telephony as it is just huge amount of cost and technical debt.
>
> Thanks everyone and really appreciate any insights, also I am sorry if this is not the place to ask for such!
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