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Start Asteriskīack at the Linux shell go ahead and start Asterisk. Your results should look like the above screen shot. Enter whatever you like in Caller ID Name or leave it blank.
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You can use any SIP phone you want of course, but for this demonstration we'll use Zoiper, a Softphone which just happens to be easily demonstrable. To get started, go ahead and move to the /etc/asterisk/ directory where the files are located. You can use the defaults for nf and nf, we'll only need to modify nf and sip.conf or nf. If you have no configuration files in /etc/asterisk/ then grab the sample config files from the source directory by navigating to it and running "make samples". You should have already run "make samples" if you installed from source, otherwise you may have the sample config files if you installed from packages.
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For example if you want to use chan_pjsip, then make sure you followed the Installing pjproject guide. When you built Asterisk, you should have made sure to build the SIP channel driver you wanted to use, which may imply other requirements.If you use your own hardware phone, we assume both the phone and Asterisk can reach each other and are on the same subnet.You have a SIP phone plugged into the same LAN where the Asterisk server is plugged in, or can install the Zoiper softphone used in the example.Hello World with Asterisk and SIP Requirements
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Now let's quickly get a phone call working so you can get a taste for a simple phone call to Asterisk. You've just installed Asterisk and you have read about basic configuration.
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