Cần Bán Digium TE121B

Thảo luận trong 'Điện Tử, Điện Gia Dụng HCM, Hà Nội' bắt đầu bởi khoatruong, 16 Tháng bảy 2010.

  1. Liên hệ: 08 399 30967 - 098 262 8117 - Nick Chat: minhnguyet2287 - Skype: minhnguyet2287
    The Wildcard TE121B is a high-performance, cost effective digital telephony interface card with the power to create a seamless network, interconnecting traditional telephony systems with emerging Voice over IP technologies.
    The Digium TE121B is the PCI Express 1x version of the TE122B. It is for use in newer motherboards with a PCI Express slot.
    Used in conjunction with Asterisk, the TE121 can be used to deliver a wide range of PBX and IVR services to the network or handset including Voicemail, Call Conferencing, Three-way Calling, and VoIP Gateways.
    The Wildcard TE121B is a single span, selectable T1 (24-channel), E1 (32-channel), or J1 (24-channel) card. The card utilizes Digium's VoiceBus technology. VoiceBus technology allows the TE121B to use an industry standard bus-mastering PCI Express interface, as found in millions of PCs worldwide, to maximize system compatibility and eliminate system conflicts.
    The TE121B supports both voice and data modes on its single span. For example, the card can support 12 channels dedicated to voice, routed directly to the Asterisk Open Source PBX, and 12 to data, handled by the underlying Linux operating system, thus eliminating the need for an external router.
    By utilizing TDMoE (TDM over Ethernet) technology, an exclusive Digium process, you can easily connect multiple PCs equipped with the TE121B and achieve voice quality on par with single PBX implementations. Scalability for this product is derived from adding multiple TE121Bs to each individual PC. Add additional cards as you need them for your expanding applications.
    The TE121B supports industry standard telephony and data protocols, including both RBS and Primary Rate ISDN (PRI) protocol families for voice and PPP, Cisco HDLC, and Frame Relay data modes. The board drives both line-side and trunk-side interfaces, including call features.
    Using this card in concert with Digium's Asterisk software, standard PC hardware, and the Linux OS, you can upgrade your PBX to a sophisticated telephony environment capable of supporting both voice and data channels.
    Note: This is the TE121B, with hardware echo cancellation module. It is also available as the Digium TE122 without hardware echo cancellation.

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