With this card you can make and receive calls to other HA clients and other sip devices, so you can use it as for example an intercom. The card supports video, DTMF signals, custom icons, custom names ...
1: lo inet 127.0.0.1/8 scope host lo\ valid_lft forever preferred_lft forever 1: lo inet6 ::1/128 scope host \ valid_lft forever preferred_lft forever 2: eth0 inet 22.22.22.22/24 brd 22.22.22.255 ...
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