Installation guide

MyPBX U300 Administrator's Guide
www.yeastar.com Page47
5) Call Duration Settings
Setup the max cull duration for every call of this extension, but it‟s only valid for
outbound calls. Enter „0‟ or leave this blank empty, the value would be equal to
the max call duration configured in the Option Settings page.
Note: This setting will not be valid for internal calls.
6) VoIP Settings
·NAT
This setting should be used when the system is using a public IP address to
communicate with devices hidden behind a NAT device (such as a broadband
router). If you have one-way audio problems, you usually have problems with
your NAT configuration or your firewall's support of SIP and/or RTP ports.
·Qualify
Send check alive packets to IP phones
·Enable SRTP
Enable extension for SRTP (RTP Encryption).
·Transport
This will be the transport method used by the extension. The options are UDP
(default) or TCP or TLS.
·DTMF Mode – RFC2833, Info, Inband, Auto.
·Remote Register
Allow to register remote extensions.
This option is used to enhance the system security, it‟s disabled by default.
More details for the system security configuration please refer to APPENDIX
GMyPBX Security Configuration Guide.
7) Other Options
.Call Waiting
Check this option if the extension should have Call Waiting capability. If this
option is checked, the „When busy‟ follow me options will not be available. The
call waiting function of IP phone has higher priority than MyPBX‟s call waiting
function.
.DND
Don‟t Disturb. When DND is enabled for an extension, the extension will be not
available.
.User Web Interface
Check this option to allow the user to login to the MyPBX User Web interface,