Open-source voice calling tool that lets AI agents place and conduct two-way phone calls over SIP using Linphone, speech-to-text, and text-to-speech. Includes a Claude Code plugin and MCP integration.
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ringringring · Pro
No Pro plan
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Pro-provider median
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insufficient comparable pricing
vs Pro providers
No comparison
ringringring doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
72nd pctile
359 competing vendors
Comparable listings · 30d
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MCP servers · Pro median
$13.87/mo
7 priced · $9.49–$22.49 mid 50%
Price spectrum · Pro plans · 9 of 17 providers priced · log scale · $3 → $79/mo
MCP servers Platforms Other◻ shaded = middle 50% · line = median (all types)ringringring has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches ringringring's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.