Acer ISDN 128 Surf USB Bedienungsanleitung PDF herunterladen (Seite 20)

Most important files are extensions.conf, modem.conf, and channel configuration

files like sip.conf if we use soft sip phones.

Extensions.conf

The Dialplan is configured in the extensions.conf file. It is Asterisk's most important

configuration file. It controls how all incoming and outgoing calls are routed and handled. The

extensions.conf file is portion to parts:

• General configure a few general settings in the section headed [general].

• Globals section, you may define global variables (or constants) and their initial values.

• Contexts and Extensions After the [general] and [globals] categories, the remainder of

the extensions.conf file is taken up by the definition of the Dialplan. The dialplan

consists of a collection of contexts. Each context consists of a collection of extensions.

[general]

static=yes

writeprotect=no

[globals] ;definition of global variables

PHONE1=SIP/1234 ;Soft SIP phone with nr.1234

PHONE2=SIP/2234

TRUNK=Modem/g1 ;Out

TRUNKMSD=0 ; MSD digits to strip (usually 1 or 0)

;Contexts and Extensions

exten => 2051,1,dial(SIP/xlite,90,mTg) ;extension for SIP-Xlite client

exten => xlite,1,goto(2051,1)

exten => _1X.,1,Dial(${TRUNK}/@<myMSN1>:B${EXTEN:},90,mTg) ;trunk connection to ISDN

network via ISDN modem to nr. 1x…..x

Tab. 12 -Example of configuration extensions.conf

Modem.conf

Configuration of modem and ISDN connections. For ISDN cards in Linux there are two

drivers, either ISDN4Linux or CAPI4Linux. Which one to use depends on your ISDN card.

Digium ISDN PRI cards use the ZAPATA drivers and are configure in the zapata.conf

configuration file.

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Acer ISDN 128 Surf USB Bedienungsanleitung Seite 20