无论如何编写一个bash，当我的电话分机无法访问时，它可以通过电子邮件通知我？
输出来自 /var/log/asterisk/full
[Nov 15 13:25:16] NOTICE[7884] chan_sip.c: Peer '7778' is now UNREACHABLE! Last qualify: 17
[Nov 15 13:25:17] NOTICE[7884] chan_sip.c: Peer '7169' is now UNREACHABLE! Last qualify: 17
[Nov 15 13:25:17] NOTICE[7884] chan_sip.c: Peer '7176' is now UNREACHABLE! Last qualify: 18
[Nov 15 13:25:18] NOTICE[7884] chan_sip.c: Peer '7771' is now UNREACHABLE! Last qualify: 14
[Nov 15 13:25:18] NOTICE[7884] chan_sip.c: Peer '7606' is now UNREACHABLE! Last qualify: 17
[Nov 15 13:25:18] NOTICE[7884] chan_sip.c: Peer '7773' is now UNREACHABLE! Last qualify: …