Synway Information Engineering Co., Ltd
SMG Series Analog Gateway User Manual (Version 1.5.3)
Page 63
Port Select Mode
When the port group receives a call, it will choose a port based on the select mode
set by this configuration item to ring or to connect. The optional values and their
corresponding meanings are described in the table below.
Option Description
Increase (default)
Search for an idle port in the ascending order of the port
number, starting from the minimum. If no match is found,
search repeatedly until finding a port which is allowed to
enter the call waiting state.
Decrease
Search for an idle port in the descending order of the port
number, starting from the maximum. If no match is found,
search repeatedly until finding a port which is allowed to
enter the call waiting state.
Cyclic Increase
Provided Port N is the available port found last time.
Search for an idle port in the ascending order of the port
number, starting from Port N+1. If no match is found,
search repeatedly until finding a port which is allowed to
enter the call waiting state.
Cyclic Decrease
Provided Port N is the available port found last time.
Search for an idle port in the descending order of the port
number, starting from Port N-1. If no match is found,
search repeatedly until finding a port which is allowed to
enter the call waiting state.
Group Ringing
Ring all the idle FXS ports in this port group.
Ringing by Turns
Ring the ports in this port group according to the
Rule for
Ringing by Turns
which can be user-defined. Refer to the
format of the rule in Figure 3-64. By default, the ringing
will be carried out in the ascending order of the port
number.
Timeout for Ringing by Turns
is used to set the
overtime for ringing. Range of value: 15~60, calculated by
s, with the default value of 20.
Preemptive Answer
Keyboard Shortcut
When a channel in a port group is ringing, another channel in the same port group
can press the keyboard shortcut set by this item to transfer the call from the ringing
channel to the current channel.
Note:
This item will become invalid if the gateway works under the port select mode
Group Ringing
or
Ringing by Turns
.
Port
The ports in the port group. If the checkbox before a port is grey, it indicates that the
port is not available or has been occupied. All selected ports for a port group will be
displayed in the
Ports
column in Figure 3-65. Note: When a port group contains
multiple ports, the automatic call forward feature is invalid.
After configuration, click
Save
to save the settings into the gateway, click
Reset
to restore the
configurations, or click
Cancel
to cancel the settings.
Check All
means to select all available
ports on the current page;
Inverse
means to uncheck the selected items and check the
unselected.
Check All FXO Ports
means to select all available FXO ports on the current page;
Check All FXS Ports
means to select all available FXS ports on the current page. See Figure
