Raspberry - GPIO - telephone caller id - Squeak

>
>On 09-06-2015, at 3:35 PM, Louis LaBrunda <[hidden email]> wrote:
>
>> Hi All,
>>
>> It is my understanding that one can use the GPIO pin(s) of a Raspberry Pi
>> to detect the caller id information of an incoming phone call.  Does anyone
>> have any experience with this?  Can you give me any pointers?
>
>Best I can suggest is looking around the raspberrypi.org forums; there is a company making FXO cards for example, which may be the kind of thing you want. You can run Asterisk pbx and do VOIP stuff with a Pi and a suitable modem-thingy.
>https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=86601 might be helpful.
>
>tim

>
>On 12-06-2015, at 11:11 AM, Louis LaBrunda <[hidden email]> wrote:
>
>> Hi Tim,
>>
>> Thanks a lot for the information.  I will look into it.
>
>Do please report back on what you find. I have a very-back-burner project I’d love to do something with one day with which I’d like to make iPhones etc talk to a PI running asterisk and then to POTS so that one can answer and make calls via the house landline.
>
>Very old and rusty website - https://sites.google.com/site/tcjspp/?pli=1 - resulting from a rather fun Coursera course I took.
>
>tim

> Someone from element14, the company here in the US where we can buy
> Raspberries, said "No chip is needed, but you need to program the GPIO to
> listen to a ring and then FSK the remaining information from a bleep.
> http://electronics.howstuffworks.com/question409.htm".  This seems like a
> tremendous amount of work to get the GPIO to do and a lot of reinventing
> the wheel.  I don't know for sure but I think there should be a chip that
> can get the caller id info and pass it to the Raspberry (USB or other port)
> and maybe even be able to handle the A/D-D/A conversion for recording and
> playing of messages.
>
> I'm trying to find a chip(s) that can do this and then maybe some help
> wiring it to the Raspberry.
>
> Thanks for your interest and any other thoughts you may have.
>
> Lou
>
> P.S.  I need permission to enter the site you pointed me to below.
>
> On Sat, 13 Jun 2015 10:20:43 -0700, tim Rowledge <[hidden email]> wrote:
>
>>
>>On 12-06-2015, at 11:11 AM, Louis LaBrunda <[hidden email]> wrote:
>>
>>> Hi Tim,
>>>
>>> Thanks a lot for the information.  I will look into it.
>>
>>Do please report back on what you find. I have a very-back-burner project I’d love to do something with one day with which I’d like to make iPhones etc talk to a PI running asterisk and then to POTS so that one can answer and make calls via the house landline.
>>
>>Very old and rusty website - https://sites.google.com/site/tcjspp/?pli=1 - resulting from a rather fun Coursera course I took.
>>
>>tim
> -----------------------------------------------------------
> Louis LaBrunda
> Keystone Software Corp.
> SkypeMe callto://PhotonDemon
> mailto:[hidden email] http://www.Keystone-Software.com
>
>

>
> Someone from element14, the company here in the US where we can buy
> Raspberries, said "No chip is needed, but you need to program the GPIO to
> listen to a ring and then FSK the remaining information from a bleep.
> http://electronics.howstuffworks.com/question409.htm".  This seems like a
> tremendous amount of work to get the GPIO to do and a lot of reinventing
> the wheel.  I don't know for sure but I think there should be a chip that
> can get the caller id info and pass it to the Raspberry (USB or other port)
> and maybe even be able to handle the A/D-D/A conversion for recording and
> playing of messages.
>
> I'm trying to find a chip(s) that can do this and then maybe some help
> wiring it to the Raspberry.

> I was curious to see how much this might cost...
> Maybe the HT9032C for $2 [1]
> * application note [2]
> * miscellaneous info [3]
> * something similar [4]
>
> [1] http://www.aliexpress.com/cheap/cheap-ic-ht9032c/2.html
> [2] http://www.holtek.com/pdf/comm/9032v141.pdf
> [3] http://www.microchip.com/forums/m22769.aspx
> [4] https://bigdanzblog.wordpress.com/2015/05/22/testing-linksprite-caller-id-module-based-on-ht9032-with-a-pc/

>I was curious to see how much this might cost...
>Maybe the HT9032C for $2 [1]
>* application note [2]
>* miscellaneous info [3]
>* something similar [4]
>
>[1] http://www.aliexpress.com/cheap/cheap-ic-ht9032c/2.html
>[2] http://www.holtek.com/pdf/comm/9032v141.pdf
>[3] http://www.microchip.com/forums/m22769.aspx
>[4] https://bigdanzblog.wordpress.com/2015/05/22/testing-linksprite-caller-id-module-based-on-ht9032-with-a-pc/
>
>cheers -ben
>
>On Mon, Jun 15, 2015 at 9:43 PM, Louis LaBrunda
><[hidden email]> wrote:
>> Hey Tim,
>>
>> I will try to keep you informed.  The board you pointed me to seems like
>> overkill and at any rate is way more expensive than I can use as I would
>> like to build something and eventually sell it.
>
>> Someone from element14, the company here in the US where we can buy
>> Raspberries, said "No chip is needed, but you need to program the GPIO to
>> listen to a ring and then FSK the remaining information from a bleep.
>> http://electronics.howstuffworks.com/question409.htm".  This seems like a
>> tremendous amount of work to get the GPIO to do and a lot of reinventing
>> the wheel.  I don't know for sure but I think there should be a chip that
>> can get the caller id info and pass it to the Raspberry (USB or other port)
>> and maybe even be able to handle the A/D-D/A conversion for recording and
>> playing of messages.
>>
>> I'm trying to find a chip(s) that can do this and then maybe some help
>> wiring it to the Raspberry.
>>
>> Thanks for your interest and any other thoughts you may have.
>>
>> Lou
>>
>> P.S.  I need permission to enter the site you pointed me to below.
>>
>> On Sat, 13 Jun 2015 10:20:43 -0700, tim Rowledge <[hidden email]> wrote:
>>
>>>
>>>On 12-06-2015, at 11:11 AM, Louis LaBrunda <[hidden email]> wrote:
>>>
>>>> Hi Tim,
>>>>
>>>> Thanks a lot for the information.  I will look into it.
>>>
>>>Do please report back on what you find. I have a very-back-burner project I’d love to do something with one day with which I’d like to make iPhones etc talk to a PI running asterisk and then to POTS so that one can answer and make calls via the house landline.
>>>
>>>Very old and rusty website - https://sites.google.com/site/tcjspp/?pli=1 - resulting from a rather fun Coursera course I took.
>>>
>>>tim
>> -----------------------------------------------------------
>> Louis LaBrunda
>> Keystone Software Corp.
>> SkypeMe callto://PhotonDemon
>> mailto:[hidden email] http://www.Keystone-Software.com
>>
>>
>

> Hi Tim and Ben,
>
> To answer Tim's question, I have looked around the Raspberry Pi forums but
> the posts mostly talk about using a caller id enabled modem.  Unfortunately
> the inexpensive ones don't support the latest version of caller id info
> used here in the US (I have one that doesn't work).  I contacted the
> manufacturer and they have no plans to keep making the modem, never mind
> updating it to the latest caller id level.
>
> One of the links that one of you gave me led me to a chip the CYG2020
> [1] http://parts.arrow.com/item/detail/ixys/cyg2020#RpgQ that looks good for
> the job.  We may also need an LCA110
> [2] https://parts.arrow.com/item/detail/ixys/lca110#eygg.  I have ordered one
> of each for about $22.50 including tax and shipping.
>
> Now I need to learn enough about wiring them to a Raspberry without frying
> everything.  Any help in that area will be great.
>
> Lou
>
> P.S.  I can point you to some PDF spec sheets if you want them.