Twilio Elastic SIP Trunking aims to help organizations save money by optimizing global PSTN trunking costs. By consolidating fragmented services from multiple providers, Twilio reduces soft and hard costs associated with managing relationships, capacity planning, and administrative overhead. The service offers five ways to save money: no channel fees, reduced operations costs, low usage costs, low phone number rental costs, and low optional features costs. With a pay-as-you-go pricing model, automatic scalability, and self-service portal or API for centralized management, Twilio Elastic SIP Trunking can help organizations free up significant resources for strategic projects, making it an attractive option for businesses looking to reduce telecommunications costs.