SIP stands for session initiation protocol. SIP is a protocol that provides the basic signals used to initiate, manage, and terminate communications sessions between an end user and Voipia Networks. SIP is the industry-backed control standard for voice, data, and video communications. Voipia’s SIP Trunk product, VToE, is a high quality voice option that business customers can use to lower the cost of their phone bill every month. Customers can just send Voipia their Long Distance calls, or they can completely replace their current phone providers by utilizing Voipia’s Nationwide footprint and local phone number services.