[Asterisk-Users] System Design

[Jason Adams]

Hey Everyone,
 
We are in the works of planning a new * installation for our company.
We have 20 users in our main office and 5 users in a remote office a
couple of states away.  Our call volume for the main office will be
anywhere from 5-10 concurrent calls.  The remote office will have about
3 heavy users with two users making calls occasionally.
 
Right now we have an existing PBX.  We have a T-1/PRI coming into the
main office and a DSL connection at the remote office.  We have a Cisco
2610/PIX 501 at the main office a cheesy linksys router at the remote
site.
 
We are planning on purchasing new Cisco IP phones for everyone.
 
My main question is this:  What type of hardware/network design would be
best for this situation?  Would a full T-1 at the remote site work with
a VPN between the offices?  Or would a higher bandwidth DSL work with a
VPN?  Or should we move to a Point-to-Point connection?  What type of
hardware would be best for the end-to-end communication in regards to
QoS?  I know the PIX 501 doesn't support it.
Would it be best to have two * servers in each office or for that call
volume at the remote office does it make sense?  I was thinking of a
Dell Power Edge server with 4GB of ram and a dual processor.. is that
enough?
 
Sorry for all the questions!
 

Jason Adams
Sumo Systems 
57 E. Wilson Bridge Rd
Suite 200
Worthington, OH 43085 
Phone | 614.433.9906 ext: 102
Fax | 614.433.9931 
E-mail | jadams at sumosystems.net 

 
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