新方法是：
apt install -y gnupg2
wget -O- https://deb.kamailio.org/kamailiodebkey.gpg | gpg --dearmor | tee /usr/share/keyrings/kamailio.gpg
老方法是：
apt install -y gnupg2
wget -O- http://deb.kamailio.org/kamailiodebkey.gpg | apt-key add -
apt-key已经淘汰了
剩下的步骤是一样
vi /etc/apt/sources.list.d/kamailio.list
deb http://deb.kamailio.org/kamailio58 bookworm main
deb-src http://deb.kamailio.org/kamailio58 bookworm main
apt update && apt install -y kamailio kamailio-*