It's very important for you, as a customer to buy VoIP service plans which are flexible. Reason being, you might purchase small VoIP Service plans which may not be enough for you. Or, you just do not trust your VoIP service provider enough and you're just experiencing their services with smaller packs and go for bigger ones if you are comfortable. At IP Momentum, we give our clients the liberty to switch Best VoIP Service plans every now and then to provide you with maximum satisfaction. It does not make sense for you to own a service which is completely inflexible. Not only that, it feels suffocating for a user to pay more or less for services which they do not even feel satisfied with. Toll Free NO: 1800 11 2583.