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VOIP Analog and digital telephone

Viewing 7 posts - 1 through 7 (of 7 total)
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  • 25th August 2003 at 18:59 #25081
    AlAlawis
    Guest

    Hello All

    what’s the deferent between Analog and digital telephone lines if I want to use them for VOIP and what about the gateways.

    27th August 2003 at 06:59 #25082
    vurcos
    Guest

    wow….
    I’m shocked at this question, but here you go.

    Digital=zeros and ones (data)
    Analogue= waves

    Gateways are devices that handle the conversion. just like a cable box or modem.

    27th August 2003 at 09:12 #25083
    AlAlawis
    Guest

    thank you vurcos
    I mean what the different in sound quality and … about the gateways what the different in price and features.

    27th August 2003 at 14:58 #25084
    Vurcos
    Guest

    Sound quality depends on the Network and the algirythum used for the compression. If good compression and no network issues you cannot tell the difference. I will use a company I know VERY well as an example for price and features.

    http://www.vegastream.com

    8 port FXS(Analogue) Gateway:
    Retail: $2,400

    2 port ISDN (Digital) Gateway: PRI/E1/T1/QSIG/CAS
    Retail: $9,400
    Up to 48/60 channels depends on ISDN type used.

    Features:
    this depends on the Signalling protocol used H.323/SIP/MGCP and others. Please look at your business model and what is a requirement for you features and then pick a signaling protocol.

    hope this helps.

    Vurcos

    29th August 2003 at 10:09 #25085
    Khoa
    Guest

    Hello all,
    I’m working for a telco, who are preparing to deploy VoIP system. Does anyone know how to design a VoIP system? And does anyone know how to design a room for placing VoIP devices?
    Regards
    Khoa

    29th August 2003 at 12:35 #25086
    Whataquestion
    Guest

    And you work for a Telco?????

    Could I sugest telephony 101????

    30th August 2003 at 07:00 #25087
    Vurcos
    Guest

    I have 3+ years deploying VoIP from start to finish for many companies and people. From mom’s and pops to Vonage, American Airlines and many others.

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