[Asterisk-Users] Newbie setup (Hardware questions)

[m. smadi]

VoIP phones get connected to asterisk on the ethernet port so no need 
for FXO or  FXS

moe smadi
Puddle wrote:

>Thanks, that makes a lot more sense.  Would VoIP
>phones still require FXO units or would that not
>require any special telephony hardware?
>
>I'm looking to get the book VoIP Telephony with
>Asterisk anyone have any reviews on this?
>
>Thanks!
>
>-Puddle
>
>
>--- "m. smadi" <smadim2 at grads.ece.mcmaster.ca> wrote:
>
>  
>
>>if you are going to use SIP phones (either software
>>or hardware) then 
>>you won't need FXS.  You will need FXO modules to
>>connect you to the 
>>PSTN (i.e. to the outside world).  FXS is used so
>>you can hook POTS 
>>phones to them the PBX (POTS meaning your regular
>>phone the ones you 
>>most likely have at your house and as such)
>>
>>this link is an ok document explaining the different
>>
>>www.patton.com/technotes/*fxs*_*fxo*.*pdf
>>
>>hope this help
>>
>>moe smadi
>>*Puddle wrote:
>>
>>    
>>
>>>Hello, I'm trying to setup an Asterix PBX solution
>>>      
>>>
>>in
>>    
>>
>>>our office.
>>>
>>>We plan to have 5 active lines open available at
>>>      
>>>
>>any
>>    
>>
>>>point in time.
>>>
>>>We'd like to use VoIP Phones, and possibly Software
>>>Based phone (*NIX/Windows enviroment).
>>>
>>>I was researching the various cards and I think I'd
>>>want to go with the Digium TDM40B - 4-port.
>>>
>>>However, I can't figure the differences between FXS
>>>      
>>>
>>&
>>    
>>
>>>FXO to make a decision of a purchase.
>>>
>>>Could someone help explain this?
>>>
>>>Ideally, we want to have one main line and have it
>>>      
>>>
>>hit
>>    
>>
>>>a directory then branch to each work area with a
>>>phone.
>>>
>>>Thanks,
>>>
>>>-Puddle
>>>
>>>
>>>
>>>
>>>		
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