Configuring OpenDNS

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A good DNS service is extremely important. Asterisk can performs a lots of DNS requests and it can lock awaiting for an answer. It is strongly suggested to configure OpenDNS servers:

 nameserver 208.67.222.222
 nameserver 208.67.220.220
 nameserver 208.67.222.220
 nameserver 208.67.220.222

If your DNS configuration is managed by NetworkManager, edit your /etc/sysconfig/network-scripts/ifcfg...

 DNS1=208.67.222.222
 DNS2=208.67.220.220
 DNS3=208.67.222.220
 DNS4=208.67.220.222