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Appendix B Understanding Telephony Routing and Translations 155

Private telephony routes

Private telephony routes are used for abbreviated telephony style digit dial plans. For example, private routes can be set up for a 5-digit dial plan between selected subscribers in a domain.

SIP and gateway routes

SIP and gateway routes provide access to a gateway, and SIP routes pointing to other SIP domains and subdomains for inter-SIP domain routing using telephony style dial plans.

Sample dial plan for telephony routes

This section provides a sample dial plan for provisioning the following telephone routes:

Private telephony route for using 5-digit translations between subscribers.

SIP telephony route for using PSTN style number plan to call between different domains.

Gateway route to make local (PSTN) calls using 9+ prefix.

Provisioning domains, subscribers, and COS

Before implementing the dial plan a list of domains, subscribers, and COS must be provisioned for the following domains in the example:

abc.com - (includes the rich.abc.com and otta.abc.com subdomains)

xyz.com

The following figure (Figure 98) shows the domains and subscribers in the sample dial plan.

SIP Provisioning Client User Guide

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Nortel Networks NN10043-113 manual Sample dial plan for telephony routes, Provisioning domains, subscribers, and COS

NN10043-113 specifications

Nortel Networks NN10043-113 is a versatile and robust networking solution designed to meet the demands of modern enterprise environments. As part of Nortel's extensive portfolio, this product highlights the company’s commitment to delivering high-performance networking solutions suitable for a variety of applications.

One of the main features of the NN10043-113 is its exceptional scalability. This device is designed to accommodate growing business needs, ensuring that organizations can expand their network without the hassle of significant infrastructure overhauls. The scalability of the NN10043-113 enables it to support a wide range of devices and applications, making it an ideal choice for businesses of all sizes.

In terms of technologies, the NN10043-113 incorporates advanced Ethernet switching capabilities. This allows for high-speed data transfer across the network, ensuring minimal latency and improved overall performance. The device also supports Power over Ethernet (PoE), enabling the delivery of power to connected devices like IP phones and wireless access points, thereby simplifying installation and reducing the need for additional power sources.

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Moreover, the NN10043-113 features built-in Quality of Service (QoS) functionalities. This ensures that critical applications receive the bandwidth they need, prioritizing voice over data and guaranteeing seamless communication across the network. High availability is also a key characteristic, with redundant power supplies and failover capabilities to provide uninterrupted service.

The Nortel Networks NN10043-113 stands out with its management capabilities. Administrators can easily configure and monitor the device through a web-based interface, simplifying network management and reducing the chance of human error.

In summary, the Nortel Networks NN10043-113 is an advanced networking solution characterized by its scalability, high-performance Ethernet switching, robust security features, quality of service, and user-friendly management capabilities. These attributes make it a reliable choice for organizations seeking to enhance their network infrastructure while supporting their growth and security needs.