Offer available to iO customers with Family Cable or above plus Optimum Online. Optimum Voice $19.95 per month pricing based on regular price of $34.95 per month, less the Optimum Rewards discount of $15 per month for subscribing to all three Optimum services at the required levels. Customer must maintain all three services at the required levels to be eligible for the Optimum Rewards discount. Upon cancellation of any of these services during the one-year promotional period, or thereafter, any remaining service will be billed at its regular rate. The Optimum Rewards discount includes the $5 per month discount on Optimum Online with Family Cable or above. Customers on promotional offers will receive the Optimum Rewards discount at the end of the promotional period. Installation fee may apply. Available to residential accounts in good standing only.