Here are their terms and conditions
(FROM: http://www.vonage.com/lp/US/friend/)
VONAGE • 23 Main Street • Holmdel, NJ 07733
Served by PM Digital • 5 Hanover Sq • New York, NY 10004
† Referrer will receive a one-month credit of their monthly service fee at time of referral up to $49.99. Credit(s) have no cash value, are non-refundable and non-transferable. Certain types of referrals, including but not limited to, referring oneself or someone living in the same residence as Referrer are prohibited. The New customer will not be charged for the monthly service fee of the plan they choose in the first month but other charges will apply. See plan for details. If either Referrer or Referee cancels before 90 days from the date the Referee subscribes to Vonage service, this will result in the loss of and/or chargeback of associated credits. Offer, prices and charges are subject to change without notice. Other terms and conditions may apply. Void where prohibited. Vonage purchases made at retail are not eligible for the Refer-A-Friend. Offers cannot be combined and are subject to restrictions and limitations. Rates exclude: broadband service, regulatory and activation fees and certain other charges, equipment, taxes, & shipping. Additional calling charges may apply on Basic Plans
.* RATES EXCLUDE: BROADBAND SERVICE, REGULATORY AND ACTIVATION FEES AND CERTAIN OTHER CHARGES, EQUIPMENT, TAXES, & SHIPPING. A DISCONNECTION FEE OF $39.99 WILL APPLY FOR CANCELLATION BEFORE 1 YEAR. DISCONNECTION AND OTHER FEES REFUNDED FOR CUSTOMERS THAT QUALIFY FOR MONEY BACK GUARANTEE. SEE DETAILS. YOUR MONEY BACK GUARANTEE PERIOD AND BILLING START TODAY. UNLIMITED CALLING BASED ON NORMAL USAGE v Free calls to Europe applies to unlimited calling plans only, offer does not apply to certain call types such as calls to cell phones and is limited to Italy, France, Spain, the UK and Ireland.
If you cancel within the money back guarantee period, you must return the device. If you cancel after the money back guarantee period and within 1 year of your order date, you will be charged a rebate recovery fee equal to the amount of the rebate initially given to you for the equipment. See other details of money back guarantee.
Where available. The number transfer process takes approximately 10 business days from the time you confirm your transfer request.
High speed internet required. Alarms, TTY and other systems may not be compatible. Vonage 911 service operates differently than traditional 911. See www.vonage.com/911 for details. Offers valid in the US only.
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