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minimal hotline setup

This is an example of a minimal yate setup, which registers via an upstream SIP trunk and answers all calls with script.

How to

get the source

git clone https://github.com/eventphone/hotline
cd hotline
git submodule update --init --recursive

modify SIP settings

Update accfile.conf with your SIP Account credentials. If you don't have a SIP Account, you may use an EPVPN Account for testing purposes.

script your hotline

We've currently 4 example hotlines:

  • hotline.tcl - the famous PoC Service Hotline as heard on many CCC Events
  • corona.tcl - the latest version of the gemeinschaft.online hotline
    • ask for zipcode (via DTMF)
    • ask for topic (via DTMF)
    • send HTTP API Request with caller number, zip code and topic to REST Endpoint
    • if anything goes wrong save the request to the filesystem for manual inspection
  • corona.py - python version of the gemeinschaft.online hotline
  • api.tcl - minimal HTTP API Example, which sends the caller number to an HTTP endpoint and plays success or failed messages

More examples can be found in the yate-tcl repository.

If you want to use custom audio files, place them in the sounds directory

convert your audio files

You can use the following sox command to convert your mp3 or wav files to slin:

sox input.mp3 -t raw -r 8000 -c 1 output.slin

You may need to install the sox format handler:

apt install libsox-fmt-mp3

configure your hotline

Update regexroute.conf to point to your custom hotline script. You can also route to different scripts depending on the caller or dialed number. Details can be found in the Yate WIKI.

build your custom docker container

docker build -t your_fancy_hotline .

run

docker run -it your_fancy_hotline

Help

If you need any additional help, you may contact us via our support.