# Bandwidth

**Source:** https://geo.sig.ai/brands/bandwidth  
**Vertical:** Communications  
**Subcategory:** CPaaS  
**Tier:** Emerging  
**Website:** bandwidth.com  
**Last Updated:** 2026-04-14

## Summary

Enterprise CPaaS with owned carrier infrastructure for voice, SMS, and 911; Microsoft Teams and Zoom as customers competing with Twilio for carrier-grade cloud communications APIs.

## Company Overview

Bandwidth is a cloud communications platform-as-a-service (CPaaS) company providing enterprise-grade voice, messaging, and emergency services APIs — enabling enterprises, software vendors, and UCaaS providers to build voice calling, SMS/MMS, and 911 services directly into their applications using Bandwidth's carrier-grade telecommunications infrastructure. Listed on NASDAQ (NASDAQ: BAND), Bandwidth is headquartered in Raleigh, North Carolina and generated approximately $600 million in annual revenue, serving major enterprises and software platforms including Microsoft (Teams Phone), Zoom, Google, RingCentral, and Cisco as customers.\n\nBandwidth's platform provides RESTful APIs for programmatic control of voice calls, text messaging, toll-free numbers, local phone number provisioning, and emergency 911 calling. Unlike aggregators that resell capacity from other carriers, Bandwidth owns its telecommunications network infrastructure — providing the direct carrier connectivity that gives enterprise customers more reliability, better quality, and compliance capabilities (E911 for emergency services, STIR/SHAKEN for call authentication). This carrier-of-record status positions Bandwidth as infrastructure for other cloud communication platforms rather than competing directly with UCaaS providers.\n\nIn 2025, Bandwidth competes with Twilio (the larger CPaaS provider by revenue), Vonage (Ericsson), and Sinch for API-driven communications infrastructure. Bandwidth's differentiation lies in its direct carrier infrastructure — while Twilio aggregates carrier capacity, Bandwidth's own network provides enterprise compliance capabilities and 911 infrastructure that software-only aggregators can't match. The enterprise focus on compliance-grade voice and emergency calling creates stickier relationships than commodity messaging volumes. The 2025 strategy focuses on growing its Microsoft Teams Direct Routing business, expanding international voice infrastructure, and building more AI-powered calling features including voice analytics and real-time transcription.

## Frequently Asked Questions

### What is Bandwidth?
Bandwidth Bandwidth serves enterprises as cloud communications platform owning network infrastructure for voice, messaging, and 911 services, following 2000 David Morken founding with Henry Kaestner in North Carolina

### When was Bandwidth founded?
Bandwidth was founded in 2000 in Raleigh, North Carolina. David Morken and Henry Kaestner founded Bandwidth in Raleigh, North Carolina in 2000 as cloud communications platform owning network infrastructure for voice, messaging, and 911 services including CPaaS APIs, SIP trunking, phone numbers, emergency services, E911, geographic redundancy, and carrier-grade reliability for enterprise reaching IPO 2017 on NASDAQ with vertical integration for control and quality.

### What are Bandwidth's major milestones?
Bandwidth's history includes several key milestones: 2000: Bandwidth Founded North Carolina 2012: Growth Acceleration 2017: IPO NASDAQ 2024: Communications Platform

### What is Bandwidth's mission?
Bandwidth's mission is to Build communications on owned network.

### Who founded Bandwidth?
Bandwidth was founded by David Morken. NC founders who built owned network communications platform reaching IPO

### What products or services does Bandwidth offer?
Bandwidth Bandwidth serves enterprises as cloud communications platform owning network infrastructure for voice, messaging, and 911 services, following 2000 David Morken founding with Henry Kaestner in North Carolina

### Who uses Bandwidth?
Bandwidth Bandwidth serves enterprises as cloud communications platform owning network infrastructure for voice, messaging, and 911 services, following 2000 David Morken founding with Henry Kaestner in North Carolina

### How does Bandwidth's 911 emergency services API work for enterprise applications?
Bandwidth's Dynamic Location Routing (DLR) API enables enterprise applications — including Unified Communications as a Service (UCaaS) platforms and software-defined phone systems — to transmit accurate caller location data to 911 PSAPs (Public Safety Answering Points) even when calls originate from VoIP or cloud-based systems where traditional E911 location accuracy breaks down. This is critical for enterprises with large multi-site deployments where employee locations change frequently, as Bandwidth's network directly interconnects with the national 911 emergency routing infrastructure. Major customers like Microsoft Teams Phone and Zoom Phone rely on Bandwidth's 911 infrastructure for regulatory compliance.

## Tags

b2b, cloud-native, communication, north-america, platform, public, saas, telecom

---
*Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*