TringPhoneRamanujan Technologies LLC
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volaiANOVIA Finance s.r.o.
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Related Products
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TringPhone:
About
TringPhone is a browser-based international calling service for individuals and teams contacting mobile phones and landlines abroad. Users check destination-specific rates, add prepaid credit, enter a full international number, and place calls in Chrome, Safari, Firefox, or Edge with microphone access. The recipient answers on a regular phone and needs no TringPhone account or app. Calls are pay as you go; rates vary by destination and whether the number is mobile or landline, and partial minutes are rounded up. Personal top-ups start at $5. Business accounts can invite team members and organize calling credit. Optional virtual phone numbers are offered separately, with availability and recurring charges varying by country. TringPhone supports personal conversations and business calls to overseas contacts, including people who cannot or do not use internet calling apps.
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volai:
About
volai is a hosted communications platform for developers, AI agents, and small businesses that need phone capabilities in applications or automated workflows. Users can provision local phone numbers, make and receive calls, send SMS, and receive messages on number types that support inbound SMS. A REST API and MCP server expose number, call, and messaging operations, while webhooks deliver call and SMS events, including voice-agent transcripts and summaries. Its voice agent can answer incoming calls or place outbound calls for receptionist and appointment-confirmation workflows. Customers can manage the service through a web portal, connect compatible AI development tools, or route calls to SIP systems. Number availability, SMS features, activation timing, and rates vary by country and number type. Usage is charged from prepaid credit, with optional monthly plans.
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TringPhone:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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volai:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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TringPhone:
Audience
People calling mobiles and landlines in other countries, and businesses that share calling credit across a team.
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volai:
Audience
Developers and teams adding phone calls, SMS and AI voice agents to apps and automated workflows.
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TringPhone:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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volai:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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TringPhone:
API
Offers API
Not Supported
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volai:
API
Offers API
Supported
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TringPhone:
Screenshots and VideosNo images available
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volai:
Screenshots and VideosNo images available
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TringPhone:
Pricing
$5
Free Version
Not Supported
Free Trial
Not Supported
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volai:
Pricing
490 CZK/month
An optional monthly plan starts at 490 CZK/month and provides 600 CZK in monthly credit, equivalent to 190 minutes of calls with the voice agent, with a phone number included. Monthly plan credit expires at the end of the billing period. Pay-as-you-go service is also available without a required plan, and topped-up credit does not expire. Rates vary by country and number type. Published Czech rates include phone numbers from 25 CZK/month, incoming calls at 0.50 CZK/min, outgoing calls at 0.92 CZK/min, SMS to Czech and Slovak numbers at 1.36 CZK/segment, and voice-agent use at 2.50 CZK/min in addition to the call rate. Calls are billed by the second, and prices exclude VAT.
Free Version
Not Supported
Free Trial
Supported
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TringPhone:
Reviews/
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volai:
Reviews/
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TringPhone:
Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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volai:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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TringPhone:
Company InformationRamanujan Technologies LLC
United States
tringphone.com
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volai:
Company InformationANOVIA Finance s.r.o.
Founded: 2016
Czech Republic
volai.eu/
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TringPhone:
Alternatives |
volai:
Alternatives |
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TringPhone:
Categories |
volai:
Categories |
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TringPhone:
Integrations
Claude Code
Not Supported
Cursor
Not Supported
ElevenLabs
Not Supported
Model Context Protocol (MCP)
Not Supported
OpenAI
Not Supported
Vapi AI
Not Supported
n8n
Not Supported
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volai:
Integrations
Claude Code
Supported
Cursor
Supported
ElevenLabs
Supported
Model Context Protocol (MCP)
Supported
OpenAI
Supported
Vapi AI
Supported
n8n
Supported
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TringPhone:
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volai:
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