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Frequency of irish dial tone.

  • 28-12-2005 10:50pm
    #1
    chuckleberryfin
    Registered Users, Registered Users 2 Posts: 36 ✭


    The uk frequency is 350Hz same for ireland?


Comments

  • #2
    Legitimate
    Closed Accounts Posts: 6 ✭Legitimate


    Have a look at www.eircomwholesale.ie and under regulatory services go to local loop unbundling. there's a document there that gives all the tests/frequencies etc


  • #3
    fatherdougalmag
    Registered Users, Registered Users 2 Posts: 1,391 ✭✭✭fatherdougalmag


    We're intrigued. Tell us why you want to know. Most telephony tones are 'well known' to telephony software (busy, answering machine, fax tone). Why are you singling out dialtone?


  • #4
    chuckleberryfin
    Registered Users, Registered Users 2 Posts: 36 ✭chuckleberryfin


    Wvdial is supposed to be an intelligent Linux ppp dialer, but never checks for the absence of a dial tone before it dials out. The people I share my house with get a bit peeved whenever I don't check that no one is using the phone before the computer dials out. I have ppp set for demand which it sortof has to be, anyway I amn't going to change it. I got to thinking that if I could determine if the dial tone wasn't present on the line I could stop wvdial from dialing. If I knew the frequency of the Irish dial tone I could send the Hayes command ATH1, record some line noise and then test if the fundamental frequency of the recording was the frequency of the Irish dial tone. I thought a simple c++ program would probably spare me alot of grief. Thanks for the info. BTW if anyone sees a problem with this plan or knows a simpler (automatic) method of determining if someone is using the phone line, please let me know.

    Thanks for the info.


  • #5
    SHAKESPEARE_SIS
    Closed Accounts Posts: 43 ✭SHAKESPEARE_SIS


    If i unserstand your problem correctly, I think there's a simpler way.
    Most modems have a command which forces the modem to wait for dialtone before dialling - ATX2 or ATX4 as far as i remember.


  • #6
    chuckleberryfin
    Registered Users, Registered Users 2 Posts: 36 ✭chuckleberryfin


    SHAKESPEARE_SIS wrote:
    If i unserstand your problem correctly, I think there's a simpler way.
    Most modems have a command which forces the modem to wait for dialtone before dialling - ATX2 or ATX4 as far as i remember.
    Gah, why the hell didn't I think of that. ATX2 and ATX4 will force the modem to wait. Thank you very much sis you've been most helpful.


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