# DIDWW Voice and Number Management API vs LiveKit Telephony (slim)

> LiveKit Telephony scores 67.5 (B) to DIDWW Voice and Number Management's 65.1 (B) for phone numbers. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-livekit-telephony.md (~3,150 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-livekit-telephony.json · canonical https://www.anchorterminal.com/compare/didww-voice-and-number-management-vs-livekit-telephony
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

LiveKit Telephony scores 67.5 (B) on agent readiness against DIDWW Voice and Number Management API's 65.1 (B), and leads in 4 of 7 scored categories. DIDWW Voice and Number Management API leads on agent ergonomics. Both do phone numbers.

- DIDWW Voice and Number Management API: B 65.1, rank #330 of 950 · https://www.anchorterminal.com/tools/didww-voice-and-number-management.min.md
- LiveKit Telephony: B 67.5, rank #253 of 950 · https://www.anchorterminal.com/tools/livekit-telephony.min.md
- DIDWW Voice and Number Management API, good for Teams that run their own SIP system, or a voice agent platform that accepts SIP trunks, and need numbers in many countries with compliance records handled through an API. Ahead on Agent ergonomics, 77 against 66. Also A hosted endpoint, with nothing to install.
- LiveKit Telephony, good for Teams that already run voice agents on LiveKit and want phone calls to arrive in the same rooms, bringing their own carrier for outbound and international calls. Ahead on Payments & pricing, 40 against 15; Maintenance & community, 90 against 83; Transparency & trust, 75 against 70. Also Open source.

| Category | DIDWW Voice and Number Management API | LiveKit Telephony |
| --- | --- | --- |
| Reliability (16%) | 66 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 84 |
| Agent ergonomics (13%) | 77 | 66 |
| Security & auth (14%) | 57 | 61 |
| Payments & pricing (10%) | 15 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 90 |
| Transparency & trust (7%) | 70 | 75 |

| Fact (where they differ) | DIDWW Voice and Number Management API | LiveKit Telephony |
| --- | --- | --- |
| Vendor | DIDWW Ireland Limited | LiveKit Incorporated |
| Hosted endpoint | `https://api.didww.com/mcp` | no (local only) |
| Pricing | Pay per use | Freemium |
| Price for phone numbers | not published | $1 per month (plan) |
| Licence | Proprietary service under the DIDWW Terms and Agreements (Rev 3.1). The OpenAPI repository and the official SDKs are MIT | Proprietary cloud service under LiveKit's Terms of Service. The SIP service (livekit/sip), the protocol definitions, the CLI and the server SDKs are Apache 2.0 |
| Last release | 2026-10-07 | 2026-10-08 |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 10 stars, 462 npm/wk | 480 stars, 2.9M npm/wk, 1.7M PyPI/wk |