TA410/810 User Manual
4.1.2 Port Group
Port group is a feature that allows you to define specific PSTN trunks to a group. A
trunk group can b
e used in a route. When a call is coming or going through the route,
an available trunk would be selected in the trunk group. There are two ring strategies
supported for Port Group:
•
Round-Robin: select the next available port in line.
•
Least Used: select the port that is least used.
Duration
Min Ring
Detection
Enable Min Ring Detection, which is useful for
complex situations, like when jitter or noise
occurs on the PSTN line.
Generally it is disabled.
Min Ring
Duration
Min duration of the received tone.
Min Ring Interval
Duration
Min pause between the two received tones.
Caller ID
Setting
Caller ID
Detection
Enable or disable caller ID detection.
Caller ID Start
This option allows one to define the start of a
caller ID signal.
Ring: start to detect when a ring is received
Polarity: start to detect when a polarity reversal is
started
Before Ring: start to detect before a ring tone
Caller ID
Signaling
This option defines the type of caller ID signaling
to use.
Bell-USA: US standard
V23-UK: UK standard
V23-Japan: Japanese standard
V23-Japan Pure: Japanese standard
DTMF: DTMF signal
Please check with your PSTN service provider to
configure Caller ID Settings. If you don’t know
how to configure, please contact Yeastar
support.
Other
Settings
Ring Detect
Timeout
There should be a timeout to determine if there is
a hang up before the line is answered. Range
from 3000 to 8000. Default is 8000 ms.
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