5 dialing plan – Billion Electric Company 7300VP User Manual

Page 109

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Voice Activity Detection: The voice activity detection (VAD) is a component in the DSP

software that examines a caller's incoming signal and determines if the signal contains

significant energy and is likely to be speech rather than a click.

Default Codec: Default voice codec.

ULAW size, ALAW size G.729 size, G.723 size: One RTP packet is sent out on every

specified time cycle.

G.711µ-LAW: It is a basic non-compressed encoder and decoder technique. µ-LAW

uses pulse code modulation (PCM) encoder and decoder to convert 14 bit linear sample.

64kbps bandwidth is needed.

G.711A-LAW: It is a basic non-compressed encoder and decoder technique. µ-LAW

uses pulse code modulation (PCM) encoder and decoder to convert 13 bit linear sample.

64kbps bandwidth is needed.

G.729A: Using G.729A to encoder/decoder voice information into a single packet

reduces the bandwidth consumption (8kbps only) while you still can have good sound

quality.

Country: Define user location to fit the local Telco system requirements.

Caller ID Display: Enable / disable Caller ID.

Stun Server: Simple Traversal of UDP through NAT. This function is used for NAT

traversal.

UPNP Enable: Universal Plug and Play. This function is used for NAT traversal.

RTP Port: Initial port number for sending RTP packets.

RTP TOS: Type of Service value for Quality of Service.

4.3.8.5 Dialing plan

This IAD build-in a local dialing table. When this IAD does not register to the server user still

could make the call by dialing the number. This dialing table could dial to remote SIP device,

remote IAX device or local PSTN. It could store up to 100 records totally.

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