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IP Telephony Configuration Guide

Chapter 3

Installing IP telephones

An IP telephone converts the voice signal into data packets and sends these packets directly to

another IP telephone or to the Business Communications Manager over the LAN or the internet.

• If the destination is an IP telephone, the arriving voice packets are converted to a voice stream

and are routed to the speaker or headset of the target telephone.

• If the destination is the Business Communications Manager, the voice stream is routed to a

circuit switched connection, such as a telephone (internal) or line (external PSTN or private

network), or some form of gateway (VoIP).

Note: IP telephones require an IP network to reach the Business Communications Manager.

However, they do not need to use VoIP trunks to communicate beyond the Business

Communications Manager. They can use any type of trunk in the same way that digital telephones

do.

Before setting up IP clients, you must enable keycodes for IP telephony. For information about

entering IP Client keycodes, see the Keycode Installation Guide. Each IP Client keycode opens a

specific number of IP telephone channels on the system. Channels on the MSC are distributed on a

one-to-one basis as each IP telephone or NetVision handset registers with the system.

Detailed information about installing i20XX IP telephones is contained under the following

headings:

• “IP telephony on the Business Communications Manager” on page 42

• “Configuring Nortel Networks i-series telephones” on page 42

• “Configuring DHCP” on page 53

• “Modifying IP telephone status settings” on page 57

• “Working with the features list” on page 59

• “Resetting the Hot Desking password” on page 61

• “Download firmware to a Nortel IP telephone” on page 65

• “Deregistering DNs for IP telephones” on page 66

• “Moving IP telephones” on page 69

• “Configuring a new time zone on a remote telephone” on page 70

• “Nortel Networks i2050 Software Phone” on page 71

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Avaya IP Telephony Guía de configuración Pagina 41