Cisco TelePresence ISDN Link
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Cisco TelePresence ISDN Link
  • The Cisco TelePresence® ISDN Link is a compact appliance for in-room ISDN and external network connectivity supporting Cisco TelePresence EX, MX, SX, and C Series endpoints. It provides direct connectivity to
    ISDN or external networks (V.35) for individual telepresence endpoints without the need for additional gateways or other infrastructure. The ISDN Link helps ensure that ISDN can be used as the primary, backup, or external connectivity for a high-quality and reliable telepresence experience.

    • Endpoints Supported: C-series-based systems, and SX-, MX-, EX- and EX-series endpoints
    • Bandwidth: 4 BRI up to 512 kbps; 1 PRI up to 1920 kbps; external networks up to 1920 kbps
    • Video Standards: H.261, H.263, H.263++, and H.264, depending upon codec support
    • Audio Standards: AAC-LD, G.711, G.722, and G.722.1
    • Dual Stream: H.239
    • Network Interfaces: Four ISDN BRI (RJ-45) S/T interfaces; one E1/T1 (RJ-45) for ISDN PRI; two LAN/Ethernet (RJ-45) 10-/100-/1000-Mb (LAN); and one external network (V.35, RS530, RS449, and RS366)
    • System Management: Total management with Secure Shell (SSH) Protocol or serial port, or through advanced configuration on endpoint
    • Power: Auto-sensing power supply; 100-240 VAC; 50-60 Hz; 15 watts maximum
    • Operating Temperature and Humidity: 32 to 95°F (0 to 35°C) ambient temperature; 10 to 90% relative humidity (RH)
    • Network Management: Storage and transport temperature
    • Dimensions (H x W x D): 1.18 x 11.02 x 6.69 in. (28 x 3 x 17 cm)
  • The Cisco TelePresence ISDN Link design and performance features include:

    • Smooth connectivity for IP-to-ISDN or IP-to-V.35 networks
    • Support for up to 4 Basic Rate Interface (BRI) or 1 Primary Rate Interface (PRI) ISDN ports and external networks (cable standards V.35, RS530, RS449, and RS366)
    • Easy setup and configuration directly through the endpoint’s web interface (for endpoints with advanced support)
    • ISDN connectivity for one endpoint, eliminating the need to buy an additional gateway


IVCi is a leading technology provider specializing in the delivery of robust Cisco Unified Communication and Collaboration Solutions. Our solutions help clients solve business challenges while achieving their objectives. IVCi designs and implements solutions based on Cisco Technologies, including Managed Services, Collaboration and Cloud Services. We are a Cisco Premier Partner with certifications in Advanced Collaboration Architecture, Spark and Unified Communications, including Master Specialization in Video. IVCi is certified by Cisco as a Cloud and Managed Services Provider with TelePresence as a Service. With over 20 years of experience in the industry, IVCi serves clients nationwide in a variety of markets in both the public and private sectors.

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