Install asterisk-ooh323 by entering the following commands in the terminal:
sudo apt update sudo apt install asterisk-ooh323
H.323 protocol support for the Asterisk PBX - ooH323c
Asterisk is an Open Source PBX and telephony toolkit. . This channel driver (chan_ooh323c) provides support for the H.323 protocol for Asterisk. This is an independent implementation that does not depend on OpenH323, but may be less functional than the original chan_h323. . For more information about the Asterisk PBX, have a look at the Asterisk package.