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What causes an SS1 call to be abnormal?

April 26, 2017causes ss1

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What causes an SS1 call to be abnormal?

1 Answer

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Posted

1) Abnormal frame synchronization or multi-frame synchronization signal on local or remote E1; 2) Improperly configured trunk direction on a channel (it is required to configure a channel as outgoing or incoming trunk channel); 3) Improperly configured rule of number-reception for an inbound trunk channel; 4) The telecoms service provider does not offer the relative service or service data concerned are not ready.