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Linksys SPA 3102 - busy tone

Hello!

Connected Linksys spa 3102 and GSM Wavelink FCT C6 port FXO, caught in this classic problem of a busy signal.
Use the PSTN Disconnect Detection-> Detect Polarity Reversal failed, as when connecting to GSM sends something that SPA immediately terminates the connection.

Recorded a busy signal, it turned
450@-30;4(.35/.35/1)

Firmware 5.1.7

Country: Ukraine, Kyivstar GSM.

But no catches!

Can somebody help me?

1 REPLY 1
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Beginner

Found solution after 2 days of headache.

“450@-30,450@-30;4(.35/.35/1+2)”. Note:

The SPA3102 supports two frequency components. If the tone has only one frequency, use the same value for both frequencies.

Maybe this helps someone.