A Modern Approach to Wholesale SIP Trunking

Businesses have a wide array of advanced collaboration tools available to them, but mission-critical telephony services remain at the heart of every enterprise communications strategy. Over time, legacy circuit-based voice access services have given way to IP-based session initiation protocol (SIP) trunking as the quiet workhorse for businesses. By utilizing both a service provider’s and an end-user organization’s IP networks as the means of transport, SIP trunking delivers a highly flexible and scalable voice service to connect a business’s on-premises or cloud-based communication solution, without the baggage that physical circuits or lines require. Telecommunications carriers have extended their SIP trunking services beyond direct-to-businesses retail offerings to deliver carrier-grade services in a wholesale marketplace. Carriers often leverage wholesale services to support their established retail customers, enabling the carrier to secure phone numbers and services in locations beyond its core operating theaters and network reach.

Wholesale SIP trunking providers or aggregators have also developed trunking solutions by leveraging these carrier relationships. A wholesale SIP trunking provider can deliver a unified voice service to distributed enterprises as well as enable new service opportunities for a wide range of communications service providers, including managed service providers (MSPs), internet telephony service providers (ITSPs), value-added resellers (VARs) and systems integrators (SIs).

This executive brief explores the unique capabilities and value that a wholesale SIP trunking provider can deliver to both enterprise customers and service providers.

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