QUESTIONS AND ANSWERS SURE A+
✔✔RFC Compliant Internal Network (Required by 3CX) - ✔✔10.x.x.x, 172.16.x.x-
172.31.x.x, and 192.168.x.x
✔✔(T/F) It is recommended to leave unused network interfaces/adapters enabled on
your 3CX server. - ✔✔FALSE
✔✔(T/F) It is recommended to disable unused network interfaces/adapters on your 3CX
server. - ✔✔TRUE
✔✔(T/F) It is recommended to use a wired connection on your 3CX server. - ✔✔TRUE
✔✔(T/F) It is recommended to use either a wired or wireless connection on your 3CX
server. - ✔✔FALSE
✔✔(Y/N) Is Microsoft Internet Explorer a supported browser to access and operate the
3CX Management Console? - ✔✔No
✔✔(Y/N) I reinstall 3CX and I would like to change the 3CX FQDN. Is it possible to
unbind the key-FQDN mapping myself? - ✔✔Yes
, https://www.3cx.com/docs/key-already-bound/
✔✔(Y/N) Is the port range UDP:9000-9500 used for VoIP Providers to deliver/receive
audio but not for delivering audio to local IP phones? - ✔✔Yes?
https://www.3cx.com/docs/manual/firewall-router-configuration/
✔✔(T/F) Configuring inbound rules for DIDs allows you to define different destinations
based on the time of day. - ✔✔TRUE
https://www.3cx.com/docs/manual/inbound-did-call-routing/#h.kp49xtr98uu1
✔✔(Y/N) Two networks are connected via a firewall. A phone connected to network A
will automatically show on the 3CX "Phones" page when 3CX is in network B assuming
that all traffic is allowed to pass between both networks? - ✔✔Yes?
https://www.3cx.com/community/threads/3cx-with-multiple-local-subnets.51758/
✔✔(T/F) CTI allows you to control a supported IP Phone by performing operations like
dialing a number, placing an active call on hold, and more. - ✔✔TBD
✔✔(T/F) 3CX clients can run on the same 3CX extension number as a desktop IP
phone. - ✔✔TRUE
✔✔(T/F) If the firewall checker does not pass successfully, contact the network
administrator or the manufacturer of the router/firewall. - ✔✔TRUE
✔✔(T/F) To use a 3CX client from Outside the office, the user must change their profile
status to "Out of Office." - ✔✔FALSE
✔✔(T/F) CTI will allow you to remote control a local IP Phone using a 3CX client for
Android. - ✔✔TBD
✔✔(Y/N) You are doing an installation for a new customer and the server you have
been told to install 3CX on also hosts the internal DNS server of the business. Must you
request that you are given a different server to install 3CX on? - ✔✔YES
✔✔(Y/N) If you intend of having local extensions, can the local LAN IP for 3CX and your
IP phones range be 192.168.35.0/20? - ✔✔YES
✔✔(T/F) The provisioning templates of a phone provide all the necessary information a
phone requires to connect to 3CX. - ✔✔TRUE