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dsl and voip questions

Discussion in 'General Cisco Certifications' started by kobem, Dec 30, 2006.

  1. kobem

    kobem Megabyte Poster

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    do we have to use telephone line in dsl?

    we have two branch offices and while we wish making voip over dsl
    is there going to be a telephone line?

    without modem , can we connect to the internet?
     
    Certifications: CCNA
  2. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    It would be nice if you read the responses to your previous questions. I have already covered the first question.
    Depends. You can do VOIP over other methods of connection, such as leased lines, radio links etc

    Yes. If somebody has supplied you with say an Ethernet connection.

    Harry.
     
    Certifications: ECDL A+ Network+ i-Net+
    WIP: Server+
  3. kobem

    kobem Megabyte Poster

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    no ,you didn't understand me.

    i said we make voip over dsl , do we have to use
    telephone line ?

    and didn't understand the second

    without modem how?
     
    Certifications: CCNA
  4. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    VOIP doesn't *have* to use DSL. If you make it a requirement to use DSL then the same rules as for DSL apply. i.e. DSL runs over a limited set of types of telephone lines.

    In my example you just use an Ethernet card.

    Harry.
     
    Certifications: ECDL A+ Network+ i-Net+
    WIP: Server+
  5. kobem

    kobem Megabyte Poster

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    if we can achieve connecting to the internet
    without modem why do we use it?
     
    Certifications: CCNA
  6. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Because not everywhere offers connections that don't need modems.

    You need modems when the connection offered is an older analogue type. Pure digital connections don't need modems.

    Harry.
     
    Certifications: ECDL A+ Network+ i-Net+
    WIP: Server+
  7. kobem

    kobem Megabyte Poster

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    thanks man
     
    Certifications: CCNA

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