Asterisk: The Future of Telephony: The Future of Telephony

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

package managers

        RPM

packages

        requirements

packet-based

        connections

        telephone network, exclusive Asterisk connection to

packet-switched networks

packetization of audio streams for transport over IP networks

Park( ) application

ParkAndAnnounce( ) application

ParkedCall( ) application

parking calls

parser generator program (bison)

passwords

        DUNDi user

        secret (SIP)

        voicemail mailbox

pattern matching

        DUNDi dialplan

        examples

        syntax

PauseQueueMember( ) application

pbx_dundi module

pbx_dundi.so module

PBXs (Private Branch eXchanges)

        dedicated electrical circuit for

        digital

                terminals

        electrical circuits

PBXs (Public Branch eXchanges), legacy, Asterisk as migration gateway

PC platforms, Asterisk on

PCI hardware

        access by Zaptel and other device drivers

        zaptel module, using with

PCI hardware for timing

PCI ID (TDM400P Revision H card)

PCI slots, server vs. workstation motherboards

PCI Version 2.2

PCM (Pulse-Code Modulation)

        Adaptive Differential PCM (ADPCM)

        aliasing

        bandwidth of PCM-encoded telephone circuit

        digitally encoding analog waveform

        encoded analog waveform

        encoding method in E-1 circuits

        G.711 codec

        increasing sampling resolution and rate

        Nyquist's Theorem

PDAs, connecting to voicemail to retrieve messages

peering

peers

        connections defined as

        DUNDi, defining

        IAX outbound calls, authentication

        IAX, placing outbound calls

        SIP connections

performance

        issues for hardware selection

        shortcomings on inadequate systems

peripherals

        connection to electrical receptacle

        IRQ latency and

Perl

        AGI library

        writing AGI scripts in

                summary of important steps

phone trees

phone.conf file

PHP

        AGI library

        writing AGI scripts in

                important steps to remember

                invoking PHP with -q switch 2nd

physical telephones

pid (process id) information

PLAR (Private Line Automatic Ringdown) circuit

platform selection process

Playback( ) application 2nd

        sound files, specifying

Playtones( ) application

ports

        RTP (Real-time Transport Protocol)

        SIP

power supplies

        computer

        power quality issues and

        redundant

power-conditioning, UPSs

PRA (Primary Rate Access) ISDN circuits

precompiled Asterisk binaries

Prefix( ) application

PRI (Primary Rate Interface) ISDN circuits

pri debug command

pri intense debug span command

pri no debug command

pri show debug command

pri show span command

Primary Rate Interface (PRI) ISDN

print command

print STDERR command

priorities (extension)

        Dial( ) application and

        s extension

        unnumbered

privacy.conf file

PrivacyManager( ) application

Private Line Automatic Ringdown (PLAR) circuit

process ID (pid) information

processes, running concurrently on the system, Asterisk and

processors

        choosing for Asterisk system

        multiple, use of

professional's PBX

profiling information (debug)

Progress( ) application

prompts

        asterisk-sounds package

        customizing system prompts

        recording from the dialplan

proprietary digital telephones

proxy servers, SIP

PSTN (Public Switched Telephone Network)

        circuit types

        connecting Asterisk to

        echo cancellation

        G.711 codec

        Last Mile

Public Switched Telephone Network (see PSTN)

public/private key system

Putland, Karl

Pyst module

Python

        AGI library

        writing AGI scripts in

                important steps to remember