Matrix Telecom SARVAM UMG System Manual page 133

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Select the CLI Type — DTMF-India, DTMF-ETSI, DTMF-Denmark, DTMF-Brazil, DTMF-Any, FSK V.23 or

FSK Bellcore — according to the CLI type supported by your CO network. Default: FSK V.23

SARVAM UMG uses Answer Supervision signaling to indicate that the call made through the FXO Port

has been answered by the remote party.

Select the appropriate Answer Supervision — None or Battery Reversal — supported by your CO

Select None, when no signaling is available from the CO network. The call will be considered as

matured on the expiry of the Pseudo Answer Supervision Timer.

Set the duration of the Pseudo Answer Supervision Timer as per your requirement.Valid range is

01 to 99 seconds. Default: 2 seconds.

If you select Battery Reversal, SARVAM UMG will consider the call as matured only if reversal of

polarity is detected on the FXO Port. Pseudo Answer Supervision Timer will not be applicable in this

Default: None.

When an outgoing call is made from the FXO Port and Answer Supervision is set to Battery Reversal, the

system will disconnect the call if it does not mature within 120 seconds.

Disconnect Supervision is the signal given by the CO network to detect far end disconnection.

Whenever a call (incoming or outgoing) on the FXO Port is disconnected by the remote party, the CO

network will send Disconnect signal. SARVAM UMG will detect this signal and release the FXO Port.

Select the appropriate Disconnect Supervision — None, Battery Reversal or Open Loop Disconnect —

according to the type supported by your CO network.

Matrix SARVAM UMG System Manual

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