Matrix Telecom SARVAM UMG System Manual page 456

The C and D bits received during an IC call should be ignored by the system.
• Invert Bit A Flag specifies whether A-bit is to be inverted before transmitting and on receiving. Select
the check box to Invert Bit A. Default: Disabled (Do Not Invert Bit A).
• Invert Bit B Flag specifies whether B-bit is to be inverted before transmitting and on receiving. Select
the check box to Invert Bit B. Default: Disabled (Do Not Invert Bit B1)
• Invert Bit C Flag specifies whether C-bit is to be inverted before transmitting and on receiving. Select
the check box to Invert Bit C. Default: Disabled (Do Not Invert Bit C).
• Invert Bit D Flag specifies whether D-bit is to be inverted before transmitting and on receiving. Select
the check box to enable, that is to Invert Bit D. Default: Disabled (Do Not Invert Bit D).
• E1 Metering Bit signifies the bit used by the network to signal metering pulses. You can select —
None, Bit-A, Bit-B, Bit-C or Bit-D. Default: Bit-A.
• Set the duration of the E1 Metering Pulse Minimum Timer. This specifies the minimum time for which
the metering bit is changed, to be recognized as a genuine metering pulse subject to E1 Metering
Pulse Minimum timer. All Changes occurred for time less than this timer is ignored. Valid range is 20ms
to 1000ms. Default: 150ms.
• Clear Back Signal is the signal used to signify that the called party has disconnected the line first. This
is indicated in two ways: Release Guard (Ab =1) or Forced Release (Bb = 0). This parameter is country
specific. Default: Release Guard.
• Set the duration of the Release Timer. This specifies the time for which the clear back signal should
persist on the line to be recognized as a genuine clear back signal. This is also known as Clear Back
timer. Valid range is 20 to 1000 msec. Default: 400 msec.
• Set the duration of the Line Seizure Acknowledge Wait Timer. This specifies the time for which the
outbound end waits for seizure acknowledgement from the inbound end after sending the line seizure
signal. On expiry of this timer, clear forward signal is sent by the outbound end. Alarm is to be
generated. This timer is applicable only when acting as outbound end. Valid range is 0001 to 9999
msec. Default: 200msec.
• Set the duration of the Release Guard Timer. This specifies the time for which inbound register waits
before declaring the channel idle (sending idle signal) when clear forward line signal is received from
the outbound end. This timer is applicable for Forced Release signal. This timer is applicable only when
acting as inbound end. This timer depends on the speed of switching and processing. Valid range is
0000 to 9999 msec. Default: 200msec.
• Click Submit to save changes.
• Close the window to return to the main page.
Copy E1-CAS Parameters
• You can also copy the settings of a E1-CAS from one T1E1 port to the another using the Copy button. To
do this,
Matrix SARVAM UMG System Manual 450