call routing on freepbx

hi everyone
how can I run call routing in freepbx. I have installed sangoma a200 with 2 fxo modules on asterisknow 1.5 . what should I do for example redirect lines to another lines. I want when people call to my office redirect to lines for support.please tell me what should i do in order?thanks in advance
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free is to know you have different options



There are two very helpful
There are two very helpful online reference books that I recommend for those just starting out with FreePBX:
1. Ringdale PBX administrator guide
2. PiaF without Tears
Between the two of them, you'll find the answers to what you what to do and much more useful information.
Eugene Blanchard
Author of PBX in a Flash for Newbies and Introduction to Data Communications