We don't have any real sizing numbers on this, but I would guess that having your location for recorded messages on ram disk would make a big difference. A bit of sipp magic with pcap playback will probably give you some real world numbers and we would love to hear how much you can scale. Mike On Apr 24, 2008, at 4:43 PM, Guy Fawkes wrote:
FreeSWITCH Users,
We are looking to set-up a simple, inbound-only, massively scalable voicemail platform running on Debian or FreeBSD. The goals are as follows: Set-up one or more SIP peers for inbound traffic. All calls are inbound; no outbound dialing is allowed. Only options are to dial- in leave a message or enter your PIN and record a new custom greeting. No messages are stored on the server and all are emailed out as mp3 attachments. The database should contain the mappings for the telephone number, user pin, and email address target. Creation and management of the user data such as the email address and PIN will be handled by an external process. Obviously, the custom greeting identifer will have to get linked to the telephone number data somehow so the system plays the correct custom greeting for any given dialed number.
What would be the recommended minimum (stripped down) Freeswitch install to achieve this? We don't want to install elements that serve no functional purpose for this model nor do we want unneccessary processes consuming resources.
Can someone give us some idea of sizing? Since the users will live in a database, the only sizing concern would be how many concurrent calls (assuming all are actively recording messages) for a given hardware configuration, say dual Xeon 2.8GHz with 4GB RAM? We did see the FAQ (How many concurrent calls can it support? Any benchmarks?), but were hoping for some real-world feedback, or even suggestions, if available, as we will be starting with several used servers of the aforementioned configuration.
We had already built a relatively robust call recording application using Asterisk some time ago, and found that writing to ramdisk was the only way to achieve any worthwhile per-server performance, and as we are FreeSWITCH newbies, we decided it wouldn't hurt to ask.
Cheers!
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