[Asterisk-Users] Caller ID for Japan?

[Steve Underwood]

Benjamin on Asterisk Mailing Lists wrote:

>On Fri, 12 Nov 2004 14:09:55 -0000, James Botham
><james.botham at computersoftware.com> wrote:
>  
>
>>Surprise, surprise you only have compatibility if you live in the US
>>everybody needs to remember this...
>>    
>>
>
>true, but Japan is a particularly bad place when it comes to adhering
>to any kind of standard. The Japanese love to be different and shut
>themselves off from the rest of the world.
>
>Consider the Japanese caller ID, "numbah jispleh" (number display) as
>it is called over here ...
>
>First the information is encoded twice and checksummed twice as if
>they had planned to send the signal to the other end of the galaxy.
>
>Then they send the encoded signal not between rings but you actually
>have to pick up the line, let your code listen to the criss cross FSK
>encoded caller ID signal and then hang up again within 20 msec, so the
>call can then continue to ring your line.
>
>Now if that isn't bizarr as bizarr can be, even by Japanese standards,
>then I don't know what bizarr is. I certainly wouldn't expect any
>non-Japanese equipment to be able to support this.
>
>However, there is a guy who said he was looking into it and apparently
>Steve Underwood had already done some work beforehand which I didn't
>even know about.
>
>Masakazu, Isamar and myself had asked for developers to contact us to
>see what kind of a bounty would be required to get this done.
>
>If everybody poppoing up occasionally on this list of the Wiki, living
>in Japan puts down 100 USD for a joint bounty, that should do the
>trick.
>
>So, we will be happy to pencil Murata-san in for his ichi-man-yen
>contribution towards the bounty when that developer gets back to us
>;-)
>  
>
The ADSI code in spandsp should handle the Japanese Caller ID, but it is 
not integrated with *.

Steve