Hi, Thanks for your advise. I want to make calls and receive calls only internal head office and branch office only using desktop sip dialer. So how to make it. On Tue, Oct 29, 2013 at 1:03 PM, John R Pierce <pierce at hogranch.com> wrote: > On 10/28/2013 9:41 PM, Chandran Manikandan wrote: > > I want to make own ip pbx server for our office with need to call local > > extension through soft dialer. > > How to make this system without any pstn provider. > > reinventing the wheel. roll your own telephony will suck up an > infinite supply of your time and energy, and likely end up with a system > that noone but you can understand and manage. you'll still need a PSTN > provider if you want to be able to make/receive outside calls from this > system. > > and yeah, asterisk.org is the building block that enables all this > wonderful stuff > > > > > > -- > john r pierce 37N 122W > somewhere on the middle of the left coast > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- *Thanks,* *Manikandan.C* *System Administrator*