Jump to Content
Home
Guides
API Reference
Changelog
Reference
Voice
Messaging
The Basics
Changelog
API Status
Support
Log In
Guides
API Status
Support
Log In
Home
Guides
API Reference
Changelog
Reference
Voice
Messaging
The Basics
Changelog
Error Codes
Search
All
Pages
Start typing to search…
Get Set Up
Application Quickstart
FreeClimb Number Quickstart
THe Basics
Overview
How FreeClimb Works
Using Your Free Trial Account
Understanding Applications
Understanding Number Types
Languages and Tools
FreeClimb CLI
Using the API
HTTP Response Codes
Resource List Pagination
Barge In
PerCL Overview
Terminal Commands
Protect Your Account
Securing Sensitive User Data with PCI DSS Certification and HIPAA Compliance
Managing Your API Key
Verifying Request Signatures
Messaging
Overview
Get Started
Node.js Messaging Quickstart
Java Messaging Quickstart
C# Messaging Quickstart
Python Messaging Quickstart
Try It Out
Receive a Message
Send an SMS During a Call
List Messages
Two-Factor Authentication Using SMS
Learn More
Sending and Receiving Messages
Concatenation
Encoding
Troubleshooting Deliverability
Non-Consumer (A2P) SMS Messaging on FreeClimb
A2P SMS Messaging Registration Guidelines
Enable Toll-Free A2P SMS
Enable 10DLC A2P SMS
10DLC Use Cases
Build Your App
Two-Factor Authentication Using SMS
Error Codes
Reference
Webhooks
PerCL
Voice
Overview
Get Started
Node.js Voice Quickstart
Java Voice Quickstart
C# Voice Quickstart
Python Voice Quickstart
Ruby Voice Quickstart
PHP Voice Quickstart
Try It Out
Calls
Accept an Incoming Call
Add Speech Recognition
Collect Digits
List Calls
Make an Outbound Call
Make a WebRTC-Enabled Call
Conferences
Connect a Caller to Another Party
Create a Conference and Add Participants
List Conferences
List Conference Participants
Queues
Create a Queue
Dequeue a Member
Get a Queue
Get a Queue Member
Handle a Call Queue
List Queue Members
List Queues
Update a Queue
Recordings
Create a Recording
Delete a Recording
List Recordings
Play a Recording
Stream a Recording
Advanced Features
Click to Call via Web Browser
Pay by Phone with Voice Calling
Self Service Using Audio Files
Self Service Using Text-to-Speech
Self Service Using Keypad Input
Call Routing Using Voice Input
Call Routing Using Keypad Input
Interactive Voice Response (IVR)
Learn More
Basic Calling
Conferencing
Queues
Recordings
IVRs
How to Write a Grammar
WebRTC and FreeClimb
FreeClimb TTS
Build Your App
Click to Call via Web Browser
Pay by Phone with Voice Calling
Interactive Voice Response (IVR)
Error Codes
Reference
Webhooks
PerCL
Error Codes
Error and Warning Dictionary
Updated 1 day ago
Two-Factor Authentication Using SMS
Overview
