Call Routing Schedule is managed in the Contract Window.
From the Main Menu, Click on Advertisers -> Contracts -> Contracts
Click on a Contract Name to open the Contract Window
From the Contract Menu, click on Settings -> Repeat & Returns.
Allow Returns: Wether you want to allow the advertiser to return calls from the advertiser portal.
Auto Approve Returns: Wether you want to auto approve returns without reviewing them.
Maximum Return Age: Number of days the call can be returned. (Example: 30 days allows the advertiser to return the call within 30 days)
Maximum Returns per Billing Cycle: Number of calls the advertiser can return per billing cycle.