asterisk-vpb 1:16.2.1~dfsg-2ubuntu1 (riscv64 binary) in ubuntu groovy

 Asterisk is an Open Source PBX and telephony toolkit.
 .
 This package includes the VoiceTronix channel driver (chan_vpb.so).
 It will not be useful without kernel-level VoiceTronix support.
 .
 For more information about the Asterisk PBX, have a look at the Asterisk
 package.