[asterisk-users] Hardware that can ring my phone?

Jon Pounder JonP at inline.net
Wed Aug 1 22:02:40 CDT 2007


you would still need an fxo port of some sort for asterisk for it to  
"pretend" to be a phone.


Quoting Linux Lover <linuxlover992000 at yahoo.com>:

> James, thank you for your educating answer.
>
> --- James FitzGibbon <james.fitzgibbon at gmail.com>
> wrote:
>
>>
>> This SOHO PBX box won't interop with Asterisk
>> because it doesn't speak any
>> of the protocols that Asterisk does.  This box
>> appears to be a solid-state
>> (and I'd assume very feature restricted) alternative
>> to Asterisk.  That it
>> happens to have both FXO (to the Telco) and FXS (to
>> the analog phone) ports
>> doesn't mean that it is usable as an analog
>> interface for Asterisk.
>>
>
> I tend agree with your evaluation. Still, I was
> thinking that since all these el-cheapo SOHO PBX boxes
> support manual attendant call transfer, what's to
> prevent Asterisk from mimicking an attendant by
> sending proper DTMF signals and make this box
> "transfer" the call to the single analog phone in the
> business? That is, Asterisk will connect (via RJ-11)
> to the unit as the "attendant's phone", and my real
> phone (only one in the system) will connect via a
> second RJ-11 (there could be 4 of them).
>
> Or is Asterisk not capable of sending DTMF signals
> over an RJ-11 connection?
>
> Not that I am rushing to buy this cheap box right now,
> but I am curious whether this is possible at all -
> perhaps to get a better feel of how flexible Asterisk
> is.
>
>>
>> The original single-FXO-port card from Digium was
>> the X100P.  These aren't
>> sold anymore (the TDM400B modular card replaced it),
>> but they can be found
>> on eBay for $10-$30.  If you can get your hands on
>> one, you might consider
>> going with a cheap SIP phone instead of a analog
>> phone for your business.
>> There isn't (as far as I know) a readily available
>> cheap single-FXS-port
>> card.  If you go with an analog phone behind
>> Asterisk, you'll need an FXS
>> port.  If you go with a SIP phone, you just need to
>> have a network
>> connection from the phone to the server, which might
>> be cheaper.  A quick
>> search on eBay shows a few Grandstream Budgetone 101
>> phones (certainly not
>> the best available, but they'll do the job) in the
>> sub-$50 range.
>>
>
> Do I undestand correctly that with this solution, I
> will still be able to connect to my analog Verizon
> phone line with the SIP phone? That is, the outside
> world will see my phone as an ordinary phone, when in
> fact I am using a SIP phone? If so, that means that
> Asterisk does all the magic behind the scene, right?
>
> Thanks,
> Lynn
>
>
>
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Jon Pounder

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