chan_ss7 with specific prefix with specific E1

[asterisk.sumon@xxxxxxxxx (Sumon Ahmed)]

Dear Sir,
is there any way to configure chan_ss7 to dedicated E1 with specific prefix.
like,

188 prefix will use 1st E1
288 prefix will use 2nd E1
388 prefix will use 3rd E1
488 prefix will use 4th E1

I'll be grateful if any one can help me out.

Thanks,
Sumon
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