Well mPBX-36, User Manual

Page: 18 / 130

mPBX-36 User Manual
Page 18
·spy modes
There are 4 spy modes available for choice:
General spy: you have the permission to use the following 3 modes.
Normal spy: you can only hear the call, but can't talk
Whisper spy: you can hear the call, and can talk with the monitored extension
Barge spy: you can hear the call and talk with them both
Note :
for example, if 500 want to monitor extension 501, we need to enable the
'allow being spied ' for 501, and choose the spy mode for extension 500.
Then pick up 500 and dial “feature codes + 501” to start monitoring when 501 is in a
call.
If 500 choose ‘normal spy’, you should dial’*90501’ to start monitoring;
If 500 choose ‘whisper spy’, you should dial ‘*91501’ to start monitoring;
If 500 choose ‘barge spy’, you should dial ‘*92501’ to start monitor;
If 500 choose ‘general spy’, you can dial ‘*90501’,’*91501’ or ‘*92501’ to start
monitor.
8) 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 ).
·SIP 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.
9) IP Restriction
·Enable IP Restriction
Check this option to enhance the VoIP security for mPBX. If this option is
enabled, only the permitted IP/Subnet mask will be able to register this