3CX ACADEMY VERIFIED QUESTIONS AND ACCURATE
ANSWERS 25/26 NEWEST REVIEW
An outbound call is routed through the voip Provider. This
"Route" of the "Outbound Rule" has "Strip Digits" set as 0 and
has no values in the "Prepend" field. A user dials
004433272020. 3CX will send the call to the provider exactly as
dialed -----Answers----True
You can use the same voip Provider in all of the Outgoing
Routes of a rule -----Answers----True
If you want to decode audio in wireshark without any plugins,
your calls will need to be using either G711A or G711U -----
Answers----True
If you want to check the internal PBX routing of a call, the most
reliable way is through the use of the Binary Log Viewer, or
which you must know some information about the call you are
investigating, like the Caller ID, the time of the call, etc. -----
Answers----True
Assume the following scenario: 3CX is connected via a site-to-
site VPN with two different buildings where remote phones
have been provisioned. 3CX is on network 192.168.9.xxx,
Phones on location A are on network 192.168.3.xxx, Phones on
location B are on network 192.168.8.xxx. When a call is
established, between an extension on remote location A to an
extension to remote location B, by default 3CX will proxy the
, SIP and audio traffic and send it to the extensions -----
Answers----True
Assume the following scenario: 2 Phone Systems bridged over
a site-to-site VPN connection. Phone system A on network
192.168.9.xxx, Phone System B on network 192.168.3.xxx. The
options "Supports Re-Invite" and "Supports Re-places" are
enabled on the bridge settings. When a call is established
between an extension from PBX A to an extension behind PBX
B, the audio will be exchanged directly between the 2
extensions. -----Answers----False
When an established call from your local extension to an
external number is terminated from your IP Phone you should
see a BYE being send in from the Provider / PSTN gateway,
towards your PBX IP address in wireshark -----Answers----
False
When 3CX has been installed without an FQDN from 3CX and in
split DNS mode, the DNS server must not be installed on the
same machine as the phone system -----Answers----True
A TLS certificate and key will have to be imported into 3CX so
taht SRTP can be used. -----Answers----False
You cannot create multiple CID "Inbound Rules" and associate
them with different SIP Trunks you have in 3CX. -----
Answers----False
ANSWERS 25/26 NEWEST REVIEW
An outbound call is routed through the voip Provider. This
"Route" of the "Outbound Rule" has "Strip Digits" set as 0 and
has no values in the "Prepend" field. A user dials
004433272020. 3CX will send the call to the provider exactly as
dialed -----Answers----True
You can use the same voip Provider in all of the Outgoing
Routes of a rule -----Answers----True
If you want to decode audio in wireshark without any plugins,
your calls will need to be using either G711A or G711U -----
Answers----True
If you want to check the internal PBX routing of a call, the most
reliable way is through the use of the Binary Log Viewer, or
which you must know some information about the call you are
investigating, like the Caller ID, the time of the call, etc. -----
Answers----True
Assume the following scenario: 3CX is connected via a site-to-
site VPN with two different buildings where remote phones
have been provisioned. 3CX is on network 192.168.9.xxx,
Phones on location A are on network 192.168.3.xxx, Phones on
location B are on network 192.168.8.xxx. When a call is
established, between an extension on remote location A to an
extension to remote location B, by default 3CX will proxy the
, SIP and audio traffic and send it to the extensions -----
Answers----True
Assume the following scenario: 2 Phone Systems bridged over
a site-to-site VPN connection. Phone system A on network
192.168.9.xxx, Phone System B on network 192.168.3.xxx. The
options "Supports Re-Invite" and "Supports Re-places" are
enabled on the bridge settings. When a call is established
between an extension from PBX A to an extension behind PBX
B, the audio will be exchanged directly between the 2
extensions. -----Answers----False
When an established call from your local extension to an
external number is terminated from your IP Phone you should
see a BYE being send in from the Provider / PSTN gateway,
towards your PBX IP address in wireshark -----Answers----
False
When 3CX has been installed without an FQDN from 3CX and in
split DNS mode, the DNS server must not be installed on the
same machine as the phone system -----Answers----True
A TLS certificate and key will have to be imported into 3CX so
taht SRTP can be used. -----Answers----False
You cannot create multiple CID "Inbound Rules" and associate
them with different SIP Trunks you have in 3CX. -----
Answers----False
