Wired Networks Thread, New phone system in Technical; Originally Posted by djones
Forgive me if I'm being thick with FreePBX and Elastix (and others I assume) but are ...
30th April 2012, 10:10 AM #16
Generally not as a VM (or at least not without some dedicated server hardware) unless you have no need for Analogue/ISDN type interfaces. I put together a small Atom based asterix (FreePBX) system for home using an OpenVox 400 card to interface with the analogue (PSTN) line while the PBX defaulted to dial out on a sipgate supplied VOIP line. Worked well enough but SWMBO hates it!
Originally Posted by djones
30th April 2012, 10:34 AM #17
Personally when I installed FreePBX i didn't run it as a Vm purely for the fact that if VM hosts fail I want the phones to run as using SIP Trunks to the internet no additional hardware was required to interface with ISDN/Analogue. And if the hardware fails We could restore a backup to a VM. I was running 76 phones from a old dual core xeon with 2gb ram and never even jumped above 30% load. I think with Vmware you can pass hardware through though can you not? Some isdn interfaces are USB.
30th April 2012, 07:19 PM #18
5th May 2012, 01:55 PM #19
VMWare has no support for ISDN or Analog POTS interface cards. Additionally if you try and virtualise a asterisk based system you will run into timing issues that will drop calls at anything above minimal loads.
Originally Posted by glennda
Last edited by Geoff; 5th May 2012 at 01:56 PM.
14th May 2012, 02:50 PM #20
- Rep Power
a note when looking at a hosted voip solution, is to ensure that there is continous quality of service from your ISP through to your hosted voip provider. many a situation has arrisen where hosted services have been delivered over a large internet pipe to the customer premise, but the connection between the hosted Voip provider and the ISP has been over the public internet, hence no garentees on the quality of service.
14th May 2012, 06:52 PM #21
If this is a serious issue (I'd hope you'd be having a word with your ISP though first!) Some VOIP providers are ISPs as well. So that neatly fixes the problem.
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