Hi

I am interested in setting up an Asterisk PBX in my office with digium hardware, and I just have a few questions in regards to what I would need. It is my understanding that an FXO card is used to interface with an incoming/outgoing phone line, and an FXS card is used for interfacing with a phone within the system. Currently we have 4 incoming/outgoing phone lines and would like to have 20 phones in the system. In order to accomodate this, would you either reccommend having 1 TDM04B (4 FXO modules on it) for the 4 incoming/outgoing lines, and 5 TDM40B (4 FXS modules on each) for the 20 phones we would have in the system. Or would you reccommend 1 TDM04B for the 4 incoming/outgoing lines, and a T100P connected to a channel bank of some sort to connect to the internal phones? If you reccommend the T100P and channel bank, where do you suggest I get an FXS channel bank? Please let me know if I got any of this mixed up (like if I got the FXO and FXS cards mixed up) and thank you in advance for your help in us deciding the hardware we need for a new PBX.

Andrew Elchuk

P.S. We are currently using an X-Like software phone with a free world dialup account for communication with our other office in a different city. My question is if I can configure the extensions.conf to connect to a free world dialup number when executing a dial command, or would I need to edit sip.conf as well or some other configs or is that even possible? Thank you again.

--
Andrew Elchuk
Technical Associate
Cronus Technologies
248 - 111 Research Drive
Saskatoon, SK  S7N 2X8
Tel: (306) 652-5798 ext. 112
Fax: (306) 652-5799
Toll Free: 1-877-655-5798
http://www.cronustech.com



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