rvoip 0.3.9

What's Changed

Other changes

• docs: the 0.3.9 plan — carrier-grade honesty by @eisenzopf in #199
• release: qualify the 0.3.9 carrier and gateway feature set by @eisenzopf in #213
• Prepare v0.3.9 by @github-actions[bot] in #214

New Contributors

• @github-actions[bot] made their first contribution in #214

Full Changelog: v0.3.8...v0.3.9