Re: Strange Phone Line Issue

["Petem" <petem001@xxxxxxxxx>]

LOL ho shit!!!!

shift!!!!!!!!!


Frequency Shift Keying

that's the result of posting after a long day at work,I was coming back from
switching 14 controller in one of the busiest building in Montreal... LOL


"Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx> a écrit dans le message de
news: 45a51116$0$3568$815e3792@xxxxxxxxxxxxxxxxx
> FSK must be messy up in your neck of the woods! "frequency shit keying"
> ???
> :-)))
>
>
>
> "Petem" <petem001@xxxxxxxxx> wrote in message
> news:au4ph.90960$fg.1200712@xxxxxxxxxxxxxxxxxxxxxx
> | CID is sounding like a modem
> |
> | on this web page it is describe very well
> | http://www.ee.washington.edu/conselec/A95/projects/jjblome/info.htm
> |
> | Here's a quote:
> |
> | "The data is transmitted serially between the first and second rings of
> the
> | incoming call. The data is transmitted at 1200 bits per second in FSK
> mode.
> | 1200 Hz represents a logical 1 (mark) and 2200 Hz a logical 0 (space)"
> |
> |
> | as you can see the data is sent in fsk mode,witch mean frequency shit
> | keying,is the method used in modem to send data over sound..(its also
> used
> | in ham radio for transmitting data over the air...)
> |
> | as you can see in the web page,CID is a standard and should not vary
> from
> | one provider to another,but I've seen difference in sound level on the
> line
> | from the same provider..
> |
> |
> |
> |
> |
> | "ABLE_1" <royboynospam@xxxxxxxxxxxxx> a écrit dans le message de news:
> | SPGdnTbwj_DU_DnYnZ2dnUVZ_veinZ2d@xxxxxxxxxxxxxx
> | >> typical caller id sound..
> | >
> | > Is it???  First I would not have been listening if there was not a
> problem
> | > connecting remotely.  Second I have never heard nor listened for the
> CID
> | > before so I can't say that it is "typical".  I know that the CID
> happens
> | > between the first and second ring but always thought it was at a high
> freq
> | > data similar to DSL.  If it is CID then I need to test this elsewhere
> to
> | > see if it is the same.
> | >
> | > Which brings up another question.  Does CID vary between carriers??
> And
> | > IF so and it was CID then it would explain why I may not have ever
> heard
> | > it before.
> | >
> | > At this time it is all still very strange.
> | >
> | >
> | >
> | >
> | >>> On the speaker of the butt set just before the 1st ring a small buzz
> | >>> click was heard and then after the first ring a carrier tone is
> heard
> | >>> for about 1 second and then a pause and then the next ring.  Nothing
> | >>> else is heard except for normal rings after that.
> | >>
> | >>
> | >
> | >>
> | >>
> | >
> | >
> |
> |
>
>