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Contact Center | SignalWire

Voice APIs for Contact Centers

Everything you'd expect from carrier-grade telecom, made fully programmable and developer-friendly.

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Control Every Contact Center Function through Simple Markup Verbs

SignalWire’s platform provides the essential tools to develop a comprehensive contact center solution, including artificial intelligence, call queuing, CRM integrations, dynamic call flows, and more. Every contact center function you need is controlled by a <Markup Verb>

No external dependencies, fast to launch, versionable, and fully under your control.

Programmable Telecom Infrastructure

Take full control of your contact center’s telecom stack without managing servers or hardware. SignalWire offers a next-generation cloud communications platform that replaces legacy infrastructure with a fully programmable, composable system designed for ultra-low latency and high scalability. Route calls, manage SIP endpoints, build IVRs, and scale automatically. All from your code.

Scale Automatically
Scale Automatically

Our platform is built for contact centers, so your application automatically scales up or down based on usage. Whether it’s 10 or 10,000 users, call quality stays crystal clear with no slowdowns or drops.

Ultra-Low Latency
Ultra-Low Latency

Core telephony functions like IVRs, Voice AI agents, SIP routing, call queues, and PSTN dialing, all perform at sub-500ms round trip latency for responsive, real-time customer interactions.

Connect Every Protocol
Connect Every Protocol

Unify SIP, WebRTC, PSTN, and VoIP on one programmable platform. Route calls across protocols, from browser to trunk or PSTN to softphone without silos or added complexity.

SOC 2 type 2 Certified
PCI DSS Compliant
HIPAA Compliant
GDPR Compliant

Use Cases

SignalWire is for developers who want complete control. Build ultra-responsive contact center experiences with AI agents, live transcriptions, dynamic call routing, and CRM integrations, all running on a low-latency cloud platform designed for real-time communication at scale.

Git the code
Git the code
Git the code
Git the code
Context Aware IVR

Design flexible, cloud-native IVRs with precise control over caller experience all from a single, programmable telecom layer. Route calls based on context collected from real-time conversations with AI agents.

Git the Code
Real-Time Transcription and Translation

Transcribe live calls or translate conversations between different languages with a single line of command.

Git the Code
Integrate with CRMs and business systems

Sync call data, automate lead routing, and trigger workflows in platforms like Salesforce, HubSpot, and Zendesk.

Git the Code

The Only Platform That Natively Integrates Telecom And Conversational AI

Ensure your offering stays relevant as AI evolves. Build more advanced, capable AI agents and get them to market faster. Let us handle the hardest parts of the infrastructure and keep your latency under 500ms.

'Sigmond demo image

AI Voice Toolkit

SignalWire gives developers a complete toolkit to build AI-powered contact center experiences that scale without custom infrastructure. Deploy intelligent voice agents with our integrated AI stack, or bring your own models by streaming audio and managing logic via SWAIG and flexible webhooks.

The first voice stack built for real-time AI

  • Connect AI to outside functions with SWAIG: the SignalWire AI Gateway

  • Sub 500ms round trip latency

  • Parameters for every function like latency, barge sensitivity, and attitude

  • Prebuilt voice and AI infrastructure that scales

  • Build AI voice agents with SWML verbs or Python

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Connect your AI to high-quality, real-time voice

  • Carrier-grade audio with low-latency processing

  • Programmable control of voice workflows

  • Scalable, production-ready telephony infrastructure in the cloud

  • SWML verbs for all major contact center operations (IVR, queueing, routing, etc.)

  • PUC architecture built for seamless integration with AI, APIs, and future systems

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The CPaaST Called… They Want Their Telephony Stack Back,

Your product (and end users) shouldn't be at the mercy of your CPaaS's capabilities. Building on a rigid infrastructure robs your CCaaS of flexibility and innovation and will cost you more than dollars in the long run. Are you ok with your product staying the same forever?

Signs you're in the CPaaST:
  • Your roadmap is tied to what your vendor supports, not innovation or market changes.
  • You turn customers away if they need unique features like AI, advanced call flows, or custom CRM integration.
  • Your contact center offers the exact same features as your competitors.
  • You have 1-3 seconds of added latency, especially during peak times.
  • You have no control over your call routing, limiting your ability to optimize call quality, redundancy, and cost.
  • Customers can't bring their own communication tools or carriers.
You could build from scratch, but...
  • Infrastructure costs and efforts, like setting up data centers, SIP trunks, PSTN interconnects, and WebRTC servers, are too much for your operations.
  • You don't have the resources to negotiate with hundreds of telecom carriers worldwide to support international calling, messaging, and compliance.
  • Telecom networks require continuous monitoring, failover planning, and software updates.
  • You're unable to handle multiple regulatory requirements across multiple countries (GDPR, HIPAA, PCI-DSS, etc…)

The Future is Here.

Multiple protocols, one application framework. Build communication pathways between all protocols — SIP, PSTN, and WebRTC — with precision and low latency whether it’s a handful of calls or hundreds of thousands.

  • SignalWire optimizes routing, call processing, and media handling to keep latency ultra-low.

  • Wield programmable control over all communication pathways – AI, Messaging, Voice, Video, and Fax.

  • Connect to SIP trunks, softphones, VoIP systems, and browser-based WebRTC calls on one programmable infrastructure.

  • Integrate AI driven call handling with a single SWML verb at sub 500ms latency.

  • Build on a telephony stack designed to dynamically scale to 500,000+ calls simultaneously without any additional infrastructure or manual intervention.

Resources
Build an IVR
Build an IVR
Use our intuitive visual builder to build an IVR in minutes with no code using Call Flow Builder.
Temperature Bot
Temperature Bot
Build a temperature and humidity bot.
Automate Reminders
Automate Reminders
Send automated voice reminders from any application, such as your CRM or scheduling tool.
Transcribe Calls
Transcribe Calls
Use live_translate in tandem with live_transcribe to to transcribe in one language and translate to another in real time.
Sentiment Analysis
Sentiment Analysis
Guide on how to identify the sentiment or emotion of a call.
Create SIP Credentials
Create SIP Credentials
Create a SIP credential manually or using SignalWire’s API.
  • Vultik
  • Samsung
  • Audi
  • Phoenix Children's
  • Growthzilla
  • Prompt.io
  • Textline
  • Filevine
  • McFarland Clinic
  • Replicant

With affordable, pay-as-you-go pricing, you can quickly scale up as your needs grow.

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Connect with SignalWire Experts

Get in touch with our team of experts to learn more about our industry-leading solutions.