We buy and sell a wide selection of Dialogic Telephony cards, including D/4PCI-UF, D/240PCI-T1, D/240JCT-T1, D/480JCT-2T1, & ISA cards such as D/480SC-2T1, D/240SC-T1, D/41D, Dialog/4, & Proline/2V. If we don't have it in stock we can get any NEW or USED Dialogic cards, if available.
4 ways to order: Buy now on our secure website, fax our order form, call us, or email us.
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Frequently Asked Questions about Dialogic Cards

  1. Where can I find detailed product information for a particular Dialogic card?
  2. Where do I get drivers for my Dialogic card and which version should I use?
  3. How do I install the Dialogic drivers (System Release) and start the card?
  4. I've installed the Dialogic drivers (System Release) but the Windows Add New Hardware Wizard keeps popping up each time I reboot. Where do I get the Windows driver from so that I can stop this from coming up?
  5. What is the difference between an ISA and PCI slot type?
  6. Why are some cards such as the D/4PCI also available as D/4PCIU or universal?
  7. What cards work in the PCI-Express slots?
  8. Which Dialogic cards are TAPI compliant?
  9. Which cards can be used in Windows Vista?
  10. Do you repair Dialogic cards?
  11. I need software for my Dialogic card, what do I use?
  12. My Dialogic card only has 2 ports, but it's supposed to be a 4 line card (or it only has 6 ports and it's supposed to be a 12 line card), why is this?
  1. Where can I find detailed product information for a particular Dialogic card?
    On our home page, http://www.voice-boards.com, many of the cards listed have a link to another page on our site with pictures of the board, basic information, as well as links to more detailed information on the Dialogic website.
  2. Where do I get drivers for my Dialogic card and which version should I use?
    If you are purchasing the card to be used in an existing system, the version of the drivers (System Release) you already have should work fine. If you are upgrading operating systems and software you should contact your software vendor to find out which version of the Dialogic System Release you should be using. Also, take a look at our Dialogic Compatibility Chart for information on what Dialogic Card is supported by the different System Release Software and Windows OS. If purchasing for a new installation, normally your software provider will furnish the System Release that works best with their software. If you need the Dialogic System Release and are purchasing a card, let us know when you order the card and we'll include a driver CD with your order. System Release 5.1.1 can be downloaded here: http://membersresource.intel.com/_releases/winnt/SR511/SR511All.zip
  3. How do I install the Dialogic drivers (System Release) and start the card?
    For detailed instructions on installing the Dialogic card and drivers, click here.
  4. I've installed the Dialogic drivers (System Release) but the Windows Add New Hardware Wizard keeps popping up each time I reboot. Where do I get the Windows driver from?
    Actually loading a driver in Windows 2000 or XP isn't necessary. When the Add New Hardware Wizard comes up, just click cancel. Next, open the Windows Device Manager; the Dialogic card will be listed as "PCI Bridge Device". Right click on this device and click "Disable". This won't affect the functioning of the card because the drivers are loaded through the Dialogic Configuration Manager, and it will stop the Add New Hardware Wizard from coming up at each re-boot. There has been some issues where some of the newer Dialogic cards, such as D/120JCT-LSU are not detected in DCM if they are disabled in the Windows Device Manger. If you run into this issue, you can follow the steps outlined here.
  5. What is the difference between an ISA, PCI and PCIe slot types?
    ISA slots are an oldest of these 3 slots types. If you purchased a computer from one of the major PC manufacturers after 1999, it probably doesn't have ISA slots. Custom built computers are still available today with ISA slots, we sell one with 3 ISA slots, for more information, click here. PCI is newer than ISA slots, and are still available on computers from the major PC makers, though they are becoming less numerous. PCI cards will only work in PCI slots and ISA cards only work in ISA slots. Click here for a picture showing the difference between ISA and PCI slots. You can generally save money by purchasing the older ISA cards, and if they are compatible with your software you normally aren't giving up any quality or functionality. As of System Release 6, Dialogic has dropped support for all ISA cards. There will be no support for ISA Dialogic cards with the Vista operating system.

    PCIe or PCI Express (not to be confused with PCI-X) is the latest PC bus architecture. PCIe is the replacement for both PCI and AGP slots. PCIe is not backwards compatible, PCI cards will not work in the PCIe slots and PCIe cards will not work in PCI slots. Click here for a picture showing the different PCI-e slot types.
  6. Why are some cards such as the D/4PCI also available as D/4PCIU or universal?
    Most of the newer PCI cards have become available as Universal or "U" versions. The universal designation means that the card is compatible with either 5 volt or 3.3 volt PCI slots including the 64 Bit PCI-X slots found in some servers. These cards are not compatible with PCI-Express slots.The edge connector on the universal cards is designed so that it will fit into either the 3.3 or 5 volt slot. Click here for a pictures illustrating the differences in the PCI slot types.
  7. What cards work in the PCI-Express slots? PCI Express (abbreviated as PCI-E or PCIe) is a expansion card interface designed to replace PCI, PCI-X and AGP. It is not backward compatible with any of the previous PCI cards. Only Dialogic cards designed to work with PCIe will work in PCIe slots. System Release 6 SR171 or later is required for the PCIe cards.
  8. Which Dialogic cards are TAPI compliant?
    Most of the newer Dialogic cards are TAPI compliant. Cards such as the D/21D, D/41D and Dialog/4 and older cards were not fully TAPI compliant. As of System Release 6 Dialogic is no longer supporting TAPI.
  9. Which cards can be used in Windows Vista?
    Only Dialogic cards that are supported in System Release 6, Service Update 171 or later.
  10. Do you repair Dialogic cards?
    No, we do not repair Dialogic cards. If we have a defective card, we send it back to Dialogic for repair. If you have a defective card that wasn't purchased from EVS, contact Dialogic directly for repair options. There are other companies that offer to repair Dialogic cards, we can't recommend any of them as we've never used them.
  11. I need software for my Dialogic card, what do I use?
    There are many companies that have created software for use with Dialogic cards, there are also "toolkits" available that can be used to create you own application. EVS has several software packages that we have created for Dialogic cards. See http://www.evs7.com for information on our Auto Dialer, Voice Mail Automated Attendant and Reminder software.
  12. My Dialogic card only has 2 ports, but it's supposed to be a 4 line card (or it only has 6 ports and it's supposed to be a 12 line card), why is this?
    This applies to the Dialog/4, D/41D and D/120JCT-LS, these cards have RJ-14 ports which support 2 telephone lines each. They look like the standard single-line RJ-11 jack, but have an additional pair of wire to support the extra line. You can use our Combiner/Splitter product to split the RJ-14 into 2 RJ-11 lines.
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