Great. Thanks for the feedback! On Mon, Oct 19, 2009 at 3:47 PM, Daniel-Constantin Mierla <miconda(a)gmail.com> wrote: > Hello, > > On 19.10.2009 20:18 Uhr, A G wrote: > >> Greetings: >> >> I'm looking for advice on a project/proof of concept I'm working on. >> I would like to create a settlement-free peering fabric for voice >> traffic between and among some peer institutions in my area. Because >> this is more of a side-project for cost cutting measure, I'm primarily >> looking at open source software, though commercial product >> recommendations would be helpful as well. >> >> The organizations I would like to connect have their own PBXs with >> large blocks of numbers (whole NPA-NXXs), with no number portability >> in or out. I imagine both at the individual PBXs and peering fabric, >> the number routing would be static. To put another way, we would >> manually configure which connections the block of telephone numbers is >> reachable at. >> >> Here is the required ASCII art diagram :) >> >> >> +-------+ >> | PBX | >> +-------+ >> | >> +-------+ >> | SBC | >> +-------+ >> | >> | >> +---+ +---+ .--------. +---+ +---+ >> | P | | S | / \ | S | | P | >> | B |--| B |------ ( ???? )----------| B |--| B | >> | X | | C | \ / | C | | X | >> +---+ +---+ `---------' +---+ +---+ >> | >> | >> +-------+ >> | SBC | >> +-------+ >> | >> +-------+ >> | PBX | >> +-------+ >> >> >> >> >> For scalability reasons, a full mesh of connections between and among >> the SBCs is not an attractive option. >> >> Here's what I think I need: >> Basic SIP routing >> TCP, TLS, and UDP support >> >> What would be nice to have: >> IPv6 >> CDR >> >> What is probably not needed: >> User agent client registration, presence, IM, voice mail >> >> I see there are several different open source voice projects. >> Do you think this is an appropriate use for Kamailio? >> >> > Kamailio can be used in such scenario. It has a lot of features to > help you > routing calls -- see modules such as lcr, carrierroute, dialplan. > > If you do heavy tls/tcp, then upcoming Kamailio 3.0 will have lot of > improvements in this areas. IPv6 is supported as well for core > routing. You > can generate CDRs using acc module and some stored procedures -- see for > example: > http://siremis.asipto.com/install-accounting/ > > Cheers, > Daniel > > >> I'm seeking comments on what you would use for this situation. >> Are there any existing projects along these lines? >> Is there one project that is better than another for this application? >> >> >> > -- > Daniel-Constantin Mierla > * Kamailio SIP Masterclass, Nov 9-13, 2009, Berlin > * http://www.asipto.com/index.php/sip-router-masterclass/ > > >