http://www.hybertone.com GSM Series Voice Gateway
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For a uplink call (from the PSTN to the VoIP), the PSTN trust number shall be entered in the trust
number sequence. The setting is the same as that of the password authentication.
In this mode, the
“
Call PSTN Dialing Rule/Call VoIP Dialing Rule
”
parameters are still valid. For
details about the setting, see section
“
Dialing Rule
”
.
3.7.2.3 Password or Trust List Authentication
Downlink
Uplink
This mode is used to set the above password authentication and trust list authentication at the same
time.
For a downlink call, the authentication mode is as follows: If the number in the trust list is used to
dial the user served by the PSTN, the call will be connected. When the number you dialed is not in
the trust list, you need to enter the password after the secondary dial tone is played. Then, the call
will be connected.
For a uplink call, the authentication mode is as follows: If the mobile number or fixed number in
the trust list is used to dial the user served by the VoIP, the call will be connected. When the
number you dialed is not in the trust list, you need to enter the password after Please Enter the
Password is played. Then, the call will be connected.
3.8 Call Duration Limit
The call duration limit is to limit the call duration of SIM cards in the gateway. Through this
function, you can specify the total call duration of SIM cards. When the call duration is longer than
the specified value, the calls shall not be connected to prevent the unnecessary or unsafe call
charging. The setting parameters are as follows: