Avaya IP Telephony Guía de configuración descargar pdf (Pagina 196)

196 Glossary

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All dialed digits sent in a single expression. The system waits for all digits to be dialed

before processing the call.

ESSID

This is the code that identifies the access point that a NetVision handset uses to connect to

the internet and the Business Communications Manager.

fallback to PSTN

Your VoIP trunks can be configured to revert to land lines processed over the PSTN

(public switched telephony network) if the IP network experiences quality issues. This

process occurs during call setup. QoS must be active on the network to use this feature.

FEATURE *900

This feature code accesses a display menu on Nortel IP telephones. You use the

directional arrows on the telephone to access menu items, which, when selected, perform

as if you had entered that feature code. This menu can also be accessed through the

Services button (default).

FEATURE *999 (hot desking)

This feature allows you to transfer the telephone and call features temporarily from one IP

telephone to another. The originating IP telephone cannot be used during this period.

feature labels

The names that appear beside the four/six soft keys on Nortel IP telephones can be

adjusted to better reflect local requirements. Label changes are performed through the

Unified Manager.

firewalls

Firewalls are server security devices on a network that block or allow IP traffic into node

networks or devices. When configuring IP telephony, you need to ensure that the port

settings are correctly configured to pass through any network firewalls between the

telephone and the Business Communications Manager.

full-duplex transmission

Simultaneous two-way separate transmission in both directions.

G.711

A codec that delivers toll quality audio at 64 kbit/s. This codec is best for speech because

it has small delay, and is very resilient to channel errors.

G.729

A codec that provides near toll quality at a low delay. Uses compression to 8 kbit/s (8:1

compression rate).

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Avaya IP Telephony Guía de configuración Pagina 196