also got a similar problem accessing remote spa FXO using sip broker PSTN number and calling from Australia ....reading from this post could specific devise default settings with regard to signal parameters Like bellcore for USA and china be hampering correct decoding of DTMF tone as againts PSTN devise here in australia and UK having inconpatible DTMF tones with that of USA standards
Last edited by jun_j; 10-31-2009 at 03:39 PM.
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