To connect an TE410P / TE405P card to the australian PSTN, use the following settings:
The 1 in span means that you use the clock from their network.
Please note that this is for an OnRamp20, which has 20 B-channels. With an OnRamp10 you need only channels 1-10 and modify unused too.
In /etc/asterisk/zapata.conf, use:
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trunkgroup => 1,16
spanmap => 1,1,1
group = 1
signalling = pri_cpe
channel => 1-15,17-21