PTTLink is an open-source project licensed under the GPL based on [https://www.asterisk.org/ Asterisk] and written in C. This means you get the source code and can make any modifications you wish provided you make your modifications available to the community.
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== Formatting source code ==
== Formatting source code ==
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* CPU Portability: Supporting the range of CPU types.
* CPU Portability: Supporting the range of CPU types.
* System Functions: Portability and “standard” library functions.
* System Functions: Portability and “standard” library functions.