Voice API
VoIP Integration
Connect your existing VoIP infrastructure to the public switched telephone network
via our advanced telecom cloud.
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Voice API
Connect your existing VoIP infrastructure to the public switched telephone network
via our advanced telecom cloud.
Your existing application may just require connectivity to the public switched telephone network (PSTN). Configure basic SIP connectivity through the same interface as our advanced capabilities and at great rates. Save money today and build for the future of cloud-based communications.
The ability to use SignalWire for PSTN connectivity is built right into FreeSWITCH. Combine our cloud with your on-premises telephony applications with commercial support end-to-end.
Users of the popular FreeSWITCH open-source stack can incorporate the mod_signalwire module for free into their implementations for easy connection to our SignalWire's disruptively priced cloud services.
Our standard SIP trunking support enables connectivity to other IP telephony systems. Through our SignalWire Community Slack workspace, we have captured the collective experience from our customers utilizing a variety of different open-source and commercial IP telephony systems.
Join IP-based video conferences directly by dialing in from any phone line using a SignalWire number. SignalWire natively supports SIP and WebRTC video routing, enabling seamless integration between traditional phone systems and modern IP video platforms — all within your SignalWire space.
Connect your existing VoIP infrastructure to our advanced cloud network.
SignalWire supports standards-based SIP trunking for connecting your existing VoIP infrastructure to the public switched telephone network (PSTN). This includes connectivity to FreeSWITCH, IP PBX systems, and WebRTC video platforms, all managed through a single interface.
SignalWire built the mod_signalwire FreeSWITCH module, which can be added to any FreeSWITCH deployment for free. This module provides a direct connection to SignalWire's cloud services, giving FreeSWITCH users access to PSTN calling at competitive rates with no additional configuration complexity.
Yes. SignalWire's standard SIP trunking is compatible with a wide range of open-source and commercial IP telephony systems. The SignalWire Community Slack is a valuable resource for compatibility notes across various PBX platforms.
Yes. SignalWire natively supports SIP and WebRTC video routing, enabling callers to join IP-based video conferences by dialing a SignalWire number from any phone line — bridging traditional telephony with modern video platforms.
SignalWire offers reliable, scalable, low-latency telephony with disruptive pricing available to all customers regardless of volume. Connectivity is configured through the same interface as advanced features, so you can start with basic trunking and upgrade to AI agents or IVR without switching providers.
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