SIP SIMPLE client SDK can now be used for audio, chat, file transfer sessions on Raspberry Pi runing Debian 10.

Great for automated testing of SIP infrastrutures or IoT projects, see examples for usage of command line clients here:

https://sipsimpleclient.org/testing/

The bre-built debian packages can be downloaded from:

http://download.ag-projects.com/SipClient/Raspberry/

Note: Echo cancellation is not compatible with arm architecture and must be disabled by using sip-settings utility.