Which GrandStream

Discussion in '3CX Phone System - General' started by open7, Jan 20, 2010.

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  1. open7

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    I want to replace a SPA-3102 being used as a PSTN gateway. Which GrandStream should I try? The GWX-40X4 or the 410X? I have a SIP trunk configured and also have a PSTN line that I want to have access to via the 3CX PBX. The SPA-3102 works for this but I have an issue of 4 tones that happen during the PSTN call at random times. I want to try another Gateway. Thanks for your thoughts and recommendations.
     
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  2. open7

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  3. open7

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    Which one?
     
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  4. open7

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    If all I need is to connect my Voip PBX to my existing PSTN, can I use the following:

    SN4112/JO/EUI Smartnode Dual FXO VoIP Gateway, 1x10/100baseT, H.323 and SIP, External UI Power.
     
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  5. scruffybob

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    These are not exactly the same type of devices.

    The SPA-3102 has one PSTN interface and one handset interface (1 FXO port, 1 FXS port)

    The Grandstream 410x are the PSTN only gateways (FXO ports only - PBX to analog PSTN phone line).

    The Grandstream 400x are the analog phone only interfaces. (FXS ports only - PBX to analog handsets).

    In short, you need a 410x to interface to a group of analog PSTN lines and a 400x to interface to a group of phones.

    The Grandstream HandyTone HT503 would be the nearest equivalent to the SPA-3102 with one FXO and 1 FXS port. I've used the first three devices but haven't used the HT503 with the 3cx.

    Best regards,
    scruffy-bob
     
  6. igor.snezhko

    igor.snezhko Active Member

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    Dlink DVG-7111S is also good one.
     
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