Enterprise SIP trunking service providing high-quality voice connectivity over IP networks.
Bandwidth offers a carrier-grade SIP trunking platform that delivers reliable, scalable voice connectivity for enterprises and CPaaS providers. As one of the few CPaaS providers that owns and operates its own nationwide IP voice network, Bandwidth provides direct-tier call quality, number provisioning, and E911 services with no intermediary carrier dependency.
The platform supports high-volume concurrent call paths and integrates with major PBX and UCaaS systems, offering businesses full control over their voice infrastructure with transparent pricing and enterprise-grade reliability.
| Attribute | SIP Trunking | Communications APIs, Network APIs | Telnyx — SIP Trunking | |
|---|---|---|---|---|
| Provider |  |  |  | |
| Founded | 1999 | 2001 | 2009 | |
| Sells To | Enterprise, Small Business | Enterprise | Enterprise, Small Business | |
| Pricing Model | Recurring, SaaS, Usage-based | — | Recurring, Software, Usage-based | |
| Ownership | Public | — | Equity, Venture-backed |
Provider
Founded 1999
Sells To Enterprise, Small Business
Pricing Model Recurring, SaaS, Usage-based
Ownership Public
Provider
Founded 2001
Sells To Enterprise
Pricing Model —
Ownership —
Provider
Founded 2009
Sells To Enterprise, Small Business
Pricing Model Recurring, Software, Usage-based
Ownership Equity, Venture-backed
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