Digium, Inc.
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Chapter 3: Telephone System Configuration
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port - Enter this value to match against only an IP address. This set-
ting is useful if you have multiple endpoints behind a NAT device.
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invite - Enter this value to match against both the IP address and
port number provided in the Contact field of the SIP header. A call
will be allowed without authentication if a match is found.
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very - Specify this value if you do not want to require authentication
upon an initial invite.
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no - Specify this value if you do not want to allow an insecure con-
nection.
3-Way Calling - Allows the extension to receive a call and then dial
out to another phone number to conference with the inbound call and
the recipient of the outbound call.
In Directory - Check this option if you want a user to be searchable
using the system telephone directory.
Call Waiting - If call waiting is not enabled, the extension accepts
only one call before it is identified as busy.
CTI - Selecting this option (Computer Telephony Integration) allows
the user to connect applications to the Asterisk Management Interface.
Is Agent - Call queuing is made up of a bank of agents who receive
calls. An extension listed as Is Agent can be added to queues from the
Call Queues option.
Pickup Group - A Pickup Group is a group of user extensions. Each
member of a pickup group can answer another member’s phone by
dialing *8. Select the pickup group to associate with the user exten-
sion.
Once you have completed the user extension definition click Save to
accept the definition, or Cancel to abandon your changes. Click Apply
Changes in the upper right corner of the page to make your changes
