Voice calling in India
General
- Why was my call disconnected with 'DNO Caller ID' as the hangup cause?
- Calls per Second (CPS)
- Domestic Calling in India
- Why are my calls not connecting with the error “Destination Country Barred”?
- What is KYC?
- How to Export Call Detail Records (CDR)
Endpoints
- Can I make an outbound call to the SIP URI of a Plivo application?
- Can I register a single endpoint on different devices?
- Troubleshooting Plivo Endpoints
- What softphones are supported for Plivo endpoints?
- How can I receive calls on a SIP endpoint?
- How can I make an outbound call using an endpoint?
Voice Alerts
Call Recording
- How can I record an outbound call?
- How can I record an inbound call?
- How can I record a conference call?
- Does Plivo charge for recording storage?
- Can I record a call in stereo or mono?
- Where can I find my recordings?
PHLO
- How can I fetch an audio file and play it to a caller?
- How can I set up call whisper in PHLO?
- How can I post recorded calls to my web server?
- How can I set up custom dial music for when a call is forwarded from a Plivo DID to the PSTN?
- How do I pass variables in an HTTP request?
- Can I redirect calls from a current PHLO application to another PHLO URL?
SDK
- How Does Noise Reduction Work in Plivo’s Browser SDK?
- What are the benefits of Browser SDK source code being publicly available?
- Does Plivo's Browser SDK support TypeScript?
- Are there any functional or performance limitations while using the Plivo Browser SDK on mobile browsers?
- Can I receive calls using Plivo client SDKs?
- What can I build with the Plivo client SDKs?
Call Insights
- Why is the audio level not displayed for a few call UUIDs?
- Why are ring start time and answer time displayed as zero seconds if a call has all the other stats?
- What do the audio quality stats mean?
- What is the difference between an external SIP device and an external SIP endpoint?
- Why is data missing for few calls?
- What do “ring start time” and “answer time” mean?
Voice Geo Permissions
- How do I remove an override for a specific subaccount?
- How do I know if a call was blocked due to geo permissions?
- How do I use an API to set Plivo’s voice geo permissions?
- How does Plivo handle countries with a high risk of call fraud?
- Are voice geo permissions effective only for calls made via REST APIs?
- How do I override voice geo permissions for specific subaccounts?
Automatic Speech Recognition
- Can I build voice-controlled IVR menus for my calls on Plivo?
- Can I gather speech input from callers in real time?
- Can I redact speech and DTMF inputs gathered through the GetInput XML element?
- How can I improve the accuracy of GetInput XML speech recognition?
- How do I limit the maximum duration of speech recognized by Plivo?
- How does Plivo charge for automatic speech recognition?
Answering Machine Detection
- How do I tune the machine detection logic?
- How accurate is answering machine detection? What can I do to increase its accuracy?
- How do I change the call flow once a call is answered by a machine?
- What's the difference between synchronous and asynchronous machine detection?
- What different types of machine detection does Plivo support?
- Can I find out whether a call was answered by a machine or a human?
Conference Calls
Text-to-Speech and Speech-to-Text
- Can I use Plivo's text-to-speech feature for international calls?
- Can I transcribe international calls?
- I had a call recording for 19 seconds but the transcription is blank. Why?
- How can I transcribe a voice call to text?
- What languages are supported for text-to-speech?
- What is speech-to-text transcription?
Call Quality
Number Masking
- How does creating a session with a single party work?
- What is the use of the force_pin_authentication parameter?
- What is the use of the virtual_number_cooloff_period parameter in the create session API?
- Can I update the first_party or second_party details of an active session?
- How do I create a session with a single party number?
- Are there any costs associated with replacing a sub-optimal number?
Verified Caller ID
Audio Stream
- Can I switch the audio codec between each playAudio event?
- What are the supported audio codecs?
- How do I know if the buffered audio is played?
- I need to start a bi-directional stream. Can I initiate the bi-directional stream element without including any other elements in my XML instruction?
- Can I interrupt and clear buffered audio?
- What is an audio stream?