TringPhone

TringPhone

Ramanujan Technologies LLC
volai

volai

ANOVIA Finance s.r.o.
TringPhone volai

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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.
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.
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
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
TringPhone:

Audience

People calling mobiles and landlines in other countries, and businesses that share calling credit across a team.
volai:

Audience

Developers and teams adding phone calls, SMS and AI voice agents to apps and automated workflows.
TringPhone:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
volai:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
TringPhone:

API

Offers API Not Supported
volai:

API

Offers API Supported
TringPhone:

Screenshots and Videos

No images available
volai:

Screenshots and Videos

No images available
TringPhone:

Pricing

$5
Free Version Not Supported
Free Trial Not Supported
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
TringPhone:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
volai:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
TringPhone:

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
volai:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
TringPhone:

Company Information

Ramanujan Technologies LLC
United States
tringphone.com
volai:

Company Information

ANOVIA Finance s.r.o.
Founded: 2016
Czech Republic
volai.eu/
TringPhone:

Alternatives

volai:

Alternatives

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SautiKit

Helloduty
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TringPhone:
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TringPhone:
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volai:
TringPhone:

Categories

volai:

Categories

SMS API Supported
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
volai:

Integrations

Claude Code Supported
Cursor Supported
ElevenLabs Supported
Model Context Protocol (MCP) Supported
OpenAI Supported
Vapi AI Supported
n8n Supported
TringPhone:
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volai:
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