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In following IVR flow, if the callerID starts with 012 we send the call to the queue 1 otherwise to queue 2. we check the callerID using the Javascript function substr in a MATH block and check the result with a GOTOIF block.
Block details
Math block
For esampleexample, if the callerId is 0123456789, the substr function result will be 012 (first 3 digit) and it is saved into the RESULT variable.
GotoIf block
GotoIf block check the RESULT variable and routes the call to the right queue.