[Asterisk-bsd] Full length cards

[William Lloyd]

ebay

Look in asterisk wiki for channel bank brand recommendations.

-bill

On 14-Nov-05, at 10:07 AM, Jeff LaCoursiere wrote:

>
> Excellent advice!  Many thanks.  I think I will stick with the T1
> interfaces and try to find used channel banks.  Any favorite sites?
>
> Cheers,
>
> j
>
> On Mon, 14 Nov 2005, William Lloyd wrote:
>
>
>> If you try to run 90 phones off a PC power supply you are asking for
>> trouble.  It took years for digium to get the 4 analog port stuff to
>> work properly in a PC let alone 24 channels.
>>
>> While in theory it will work, you are going to have MAJOR problems in
>> practice.
>>
>> I gave up trying to build solid production systems from analog cards
>> in PC.  If the project doesn;t have enough money to do the job
>> properly then I wouldn;t touch it.
>>
>> If you are charging by the hour for installation and support and the
>> customer has limitless patience, you've hit upon a goldmine ;-)
>>
>> Used FXS channel banks can be found for a few hundred $.
>>
>> -bill
>>
>>
>> On 14-Nov-05, at 7:34 AM, Jeff LaCoursiere wrote:
>>
>>
>>>
>>>
>>> On Mon, 14 Nov 2005, Kim Culhan wrote:
>>>
>>>
>>>
>>>>  There seems to be a little confusion in this thread.. The
>>>> original posting
>>>> asked about using 4 TDM4xx cards to get ~90 FXS ports.
>>>>  I think Jeff meant TE4xx cards which are T-1/E1 interfaces.
>>>>  As for the TDM400P on FreeBSD, this should be no problem.
>>>>  Just use the zaptel-bsd drivers on FBSD 6.0-RELEASE or 6.0-STABLE.
>>>>  If anyone needs any help getting the source of this and
>>>> compiling, let me
>>>> know.
>>>>
>>>>
>>>
>>> Actually I did mean 4 x TDM400P to get ~90 FXS ports :)  I was
>>> wondering
>>> if anyone had attempted this in one chassis...  I am considering
>>> bidding
>>> on a hotel's phone system upgrade, and cost per port is very
>>> important,
>>> obviously.  I think I see three ways to reach their 90 rooms with
>>> existing
>>> cabling and analog phones.  I can use T1 interfaces and channel
>>> banks, and
>>> with some of the pricing I have dug up so far this seems to be
>>> around $100
>>> / port.  I can use 4 x TDM400P (?) and get it down to $60.  Then a
>>> perhaps
>>> hoky idea was to use around 50 dual FXS ATA devices, which  
>>> potentially
>>> gets it down to $35.  I say potentially because I haven't used  
>>> many of
>>> these devices, and don't know if the sound quality of an
>>> inexpensive ATA
>>> is sufficient?  Also this only makes sense if PoE is possible,
>>> which is
>>> something I haven't seen in literature on ATAs.
>>>
>>> I saw Kim's earlier post about drivers for TDM4xx, which is what
>>> prompted
>>> the question, actually.
>>>
>>> So, are the drivers for FBSD6 production stable?  Would I be giving
>>> myself
>>> headaches to install this for a client?  I would hate to fall  
>>> back to
>>> Linux, but stability is primary...
>>>
>>> Thanks!
>>>
>>> j
>>> _______________________________________________
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>>> Asterisk-BSD at lists.digium.com
>>> http://lists.digium.com/mailman/listinfo/asterisk-bsd
>>>
>>>
>>
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