The normal rule in the dialplan is: exten => _.,3,Goto(Trunk-incoming-manuell,${EXTEN},1) To remove the first digit you need to change the rule to: exten => _.,3,Goto(Trunk-incoming-manuell,${EXTEN:1},1) The ":1" removes the first digit, to remove the first 2 digits you need to change it to ":2" Example: - Without change: 09742123456
- With change: 9742123456
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