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Click Here for ISDN BRI Cards
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|| Digium Analog Telephony Devices
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communicate|collaborate|converge
Digium® analog cards were created for connecting analog telephones and analog POTS (Plain Old Telephone System)
lines to the PSTN through a PC. With these cards, users can transport calls from POTS to POTS, POTS to PBX, or POTS to VoIP. Using
one of our analog cards in concert with Digium's Asterisk® software, standard PC platforms, and the Linux® OS, one can create
telephony solutions capable of satisfying the needs of business applications with industry-leading quality. Digium's analog cards
utilize patent pending VoiceBus™ technology. VoiceBus technology allows these cards to use an industry standard, bus-mastering
interface as found in millions of PCs worldwide. VoiceBus maximizes system compatibility and prevents system conflicts.
To support our analog interface cards,
Digium manufactures analog modules for both Foreign Exchange Station (FXS) extension-side interfaces and Foreign Exchange
Office(FXO) trunk-side interfaces. These modules are built both in single-port, for smaller installations, and quad-port,
where density is important. The analog cards, with their interchangeable single and quad FXS and FXO modules, can eliminate
the requirement for separate channel banks or access gateways.
Digium's commercial, toll-quality High Performance Echo Cancellation (HPEC) software is available to our
analog customers at no additional cost. The optional VPMADT032 hardware echo cancellation module provides the same
toll-quality as HPEC, but without the performance impact of a software based solution. Scaling of an analog card solution is
accomplished by adding additional cards.
- 4, 8 and 24 port FXS/FXO interface support
- Half and Full Length PCI and PCI-Express
- All cards support Digium's VoiceBus™ technology
- Caller ID and Call Waiting ID supported
- ADSI Telephone support
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 Product Options
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Digium 1TDM4xx Asterisk PSTN Interface Cards
Using an industry-standard bursting, bus-mastering interface chip that is found within millions of PC systems worldwide, and Digium VoiceBus technology, the TDM4xx cards eliminate the requirement for external gateways, with industry-leading performance and price.
The trunk and station modules are interchangeable, allowing the creation of any combination of interfaces. The optional hardware echo cancellation module provides 1024 taps (128 milliseconds) of echo cancellation for superior voice quality on both trunk and station interfaces. Scaling of this solution is accomplished by adding additional TDM4xx or other Digium analog interface cards. Avaliable in both PCI 3.3V/5.0V, and PCI-Express format. |
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Digium 1TDM8xxx Asterisk PSTN Interface Cards
The TDM8xx cards provides an industry first with 8 standard two-wire, RJ-11 interfaces on a single PCI bracket. This eliminates the need for multiple brackets, external dongles, or splitters. In doing so, the TDM800P reduces part complexity, cable clutter, and points of failure. The TDM8xx cards contains two module banks. Each bank supports up to four analog interfaces.
The module banks may be filled either with one standard Digium quad analog module, or up to two standard Digium single analog modules enabling the creation of any combination of ports. The optional hardware echo cancellation module provides 1024 taps (128 milliseconds) of echo cancellation for superior echo cancellation on both FXO and FXS interfaces. Avaliable in both 3.0V/5.0V and PCI-express formats.
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Digium 1TDM24xxx Asterisk PSTN Interface Cards
Using an industry-standard bursting, bus-mastering PCI interface chip that is found within millions of PC systems worldwide, and Digium VoiceBus technology, the TDM2400P eliminates the requirement for separate channel bank and T1 interface cards, at an industry-leading price. The quad-FXO and quad-FXS modules are interchangeable, allowing the creation of any combination of interfaces.
The optional hardware echo cancellation module provides 1024 taps (128 milliseconds) of echo cancellation for superior echo cancellation on both FXO and FXS interfaces. Scaling of this solution is accomplished by adding additional TDM2400P cards. Available both in PCI 3.0V/5.0V and PCI-express.
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