<p>July was a landmark month for Synthflow. CMP evaluated 27 Voice AI providers and named Synthflow one of just two Pioneering companies—placing us at the leading edge of the category. That recognition came alongside major releases across Claude, Five9, live call monitoring, WebSocket media, and background audio.</p><img data-width="100%" data-align="left" alt="CMP Prism chart showing Synthflow in the Pioneering category" data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fd2b5-8322-772c-bdc4-4eb8bda79b37/b64u-Y2xpcGJvYXJkLnBuZw.png" data-featurebase-content-filename="clipboard.png" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fd2b5-8322-772c-bdc4-4eb8bda79b37/b64u-Y2xpcGJvYXJkLnBuZw.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=56fe097177af1d7c38b5601286221aa6d976eda55f47222e241efd55131d2755"><p class=""><strong>Only 2 of 27 providers were named Pioneering—including Synthflow.</strong></p><p>CMP is the research organization behind Customer Contact Week.</p><p>Here’s what shipped this month.</p><div data-type="horizontalRule"><hr></div><h2>Official Claude Connector and Plugin</h2><img data-width="100%" data-align="left" alt="Official Claude Connector linking Claude and Synthflow." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fd30c-1441-7cab-854c-7910b02fcda0/b64u-Y2xpcGJvYXJkLnBuZw.png" data-featurebase-content-filename="clipboard.png" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fd30c-1441-7cab-854c-7910b02fcda0/b64u-Y2xpcGJvYXJkLnBuZw.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=27bb0e70eca115369e4ddc14e1dcf18f060bc7e66529aacb5202fb27d3df8067"><p>Build, run, and improve your voice agents without leaving Claude. The official <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/anthropic">Claude connector and plugin</a> let you use supported Synthflow capabilities from Claude, Claude Code, and Cowork. On top, the plugin adds guided call and prompt reviews so making your agents better becomes a conversation.</p><div data-type="horizontalRule"><hr></div><h2>Five9 Handoff</h2><img data-width="100%" data-align="left" alt="Five9 Handoff connecting Synthflow with a Five9 contact center workflow." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fd0e0-717a-754c-a508-7232781c6306/b64u-MDE5ZmQwZTAtNzAzMy03ZWVjLTg5MGUtZjU2NmFjYzZmOTg1.png" data-featurebase-content-filename="019fd0e0-7033-7eec-890e-f566acc6f985" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fd0e0-717a-754c-a508-7232781c6306/b64u-MDE5ZmQwZTAtNzAzMy03ZWVjLTg5MGUtZjU2NmFjYzZmOTg1.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=aa3a68d3979eb8f6b353ad0d0f1a446e7f9531a186e991ba0b1474553d500a1c"><p>Available to Enterprise customers in the US and EU after activation. If your contact center runs on <a target="_blank" rel="noopener noreferrer nofollow" class="link" href="https://docs.synthflow.ai/sip-with-five9">Five9</a>, the <strong>Five9 Handoff</strong> action returns the call to your Five9 workflow, passing routing context as X-Headers on the SIP BYE. Your agent handles the AI portion of the call and hands control back to Five9 when a human is needed, preserving your existing routing.</p><div data-type="horizontalRule"><hr></div><h2>Live Call Monitoring</h2><img data-width="100%" data-align="left" alt="Live Call Monitoring interface for listening to an in-progress Synthflow call." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fa308-3dac-7575-bbb2-87288c592194/b64u-ZG9jLWltYWdlc19jYWxsX2xvZ3NfbGlzdGVuX2luLnBuZw.png" data-featurebase-content-filename="doc-images_call_logs_listen_in.png" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fa308-3dac-7575-bbb2-87288c592194/b64u-ZG9jLWltYWdlc19jYWxsX2xvZ3NfbGlzdGVuX2luLnBuZw.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=f0578194465fe65aae67b8c0007cad2cee7eef2d8e1b3e95ffba3ea208ea96e8"><p>Authorized users can listen to an in-progress call from <a target="_blank" rel="noopener noreferrer nofollow" class="link" href="https://docs.synthflow.ai/logs#live-call-monitoring">Call Logs</a>. Monitoring is listen-only: the monitor is not audible to the caller or agent. Ensure monitoring complies with your organization’s policies and applicable notice, consent, and privacy requirements.</p><div data-type="horizontalRule"><hr></div><h2>WebSocket Media for Websites and Apps</h2><img data-width="100%" data-align="left" alt="WebSocket Media connecting a website or application to a Synthflow voice agent." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fa3ca-b366-7645-8d2b-70da81cc63b7/b64u-d2Vic29ja2V0LnBuZw.png" data-featurebase-content-filename="websocket.png" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fa3ca-b366-7645-8d2b-70da81cc63b7/b64u-d2Vic29ja2V0LnBuZw.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=28a07a26340eae1232c82b0690ecc50e959bd18b107dd9a77a8e75de857576bf"><p>Use <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/ws-media-integration">WebSocket media</a> to attach an authenticated media leg to a running call from a website or application. Treat the media URL and <code>sid</code> as temporary secrets.</p><div data-type="horizontalRule"><hr></div><h2>Background Audio on Running Actions</h2><img data-width="100%" data-align="left" alt="Background audio playing while a custom action or MCP tool runs." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fa31c-01a8-7bce-8f08-44711208769c/b64u-MDE5ZmEzMWMtMDBmNy03YjQ0LWE0NjUtY2ExMzY3NzlmZTMz.png" data-featurebase-content-filename="019fa31c-00f7-7b44-a465-ca136779fe33" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fa31c-01a8-7bce-8f08-44711208769c/b64u-MDE5ZmEzMWMtMDBmNy03YjQ0LWE0NjUtY2ExMzY3NzlmZTMz.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=8dbb47d1810347e64c95a231950d80c0e5416809ff1d76c7d583c84860728502"><p><a target="_blank" rel="noopener noreferrer nofollow" class="link" href="https://docs.synthflow.ai/about-custom-actions#play-audio-while-the-action-runs">Custom actions</a> and individual <a target="_blank" rel="noopener noreferrer nofollow" class="link" href="https://docs.synthflow.ai/mcp-actions#play-audio-while-an-mcp-tool-runs">MCP tools</a> can now play background audio while they run. Callers hear something (hold music, a "one moment" message) during slower requests, instead of dead air that makes them wonder if the agent is still on the line.</p><div data-type="horizontalRule"><hr></div><h2>Improved System Status Page</h2><img data-width="100%" data-align="left" alt="Synthflow system status page showing service health and incidents." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fa31e-09b6-7270-893b-b4c692676062/b64u-aW1wcm92ZWRfc3RhdHVzX3BhZ2UucG5n.png" data-featurebase-content-filename="improved_status_page.png" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fa31e-09b6-7270-893b-b4c692676062/b64u-aW1wcm92ZWRfc3RhdHVzX3BhZ2UucG5n.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=935f168971215851715a89f048f26ce7fbe0049af1e297e4b36be27409d5b137"><p>The <a target="_blank" rel="noopener noreferrer nofollow" class="link" href="https://status.synthflow.ai/">Synthflow status page</a> has moved to a new platform with more reliable incident reporting and status updates. The URL is unchanged and email subscriptions were migrated automatically. RSS subscribers need to resubscribe on the new status page to keep receiving updates.</p><div data-type="horizontalRule"><hr></div><h2>Rename Aurora Conversations</h2><img data-width="100%" data-align="left" alt="Aurora conversation list with the option to rename a conversation." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fa323-ef17-71c2-93e6-ad70d104d632/b64u-MDE5ZmEzMjMtZWU5ZC03ZmM4LTk0ZjEtYzc0ZTA4MmVlZjBk.png" data-featurebase-content-filename="019fa323-ee9d-7fc8-94f1-c74e082eef0d" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fa323-ef17-71c2-93e6-ad70d104d632/b64u-MDE5ZmEzMjMtZWU5ZC03ZmM4LTk0ZjEtYzc0ZTA4MmVlZjBk.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=528b8a52f000c928b76dc47a17531ac16854cafeaa343ebb799fe8c8edddabf0"><p class="font-claude-response-body break-words whitespace-normal">You can now <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/aurora">rename conversations in Aurora</a>. Give each thread a clear, descriptive name so long-running work stays organized.</p><div data-type="horizontalRule"><hr></div><h2>Sidebar Control</h2><img data-width="100%" data-align="left" alt="Synthflow sidebar control with expanded, collapsed, and expand-on-hover options." data-featurebase-content-key="662bde1777fa6952d614d26f/changelog/6a44df9504730e2307540f5f/019fa324-b4d7-75bb-b415-6ae5a8a50bef/b64u-MDE5ZmEzMjQtYjQ3Ni03MDc0LTlkNjEtMTJiYzQ5NjYyOTMz.png" data-featurebase-content-filename="019fa324-b476-7074-9d61-12bc49662933" src="https://662bde1777fa6952d614d26f.featurebase-attachments.com/c/changelog/6a44df9504730e2307540f5f/019fa324-b4d7-75bb-b415-6ae5a8a50bef/b64u-MDE5ZmEzMjQtYjQ3Ni03MDc0LTlkNjEtMTJiYzQ5NjYyOTMz.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260924T110000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260924%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=f0d7bebc7ed1e01e5c499f5d973b5d4486f647d9e3dfa414adc18570c4d06c94"><p class="font-claude-response-body break-words whitespace-normal">You can now set the sidebar to collapse, expand, or expand on hover. The <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/changelog/2026/7/3">control</a> lives in the bottom-left corner of the interface.</p><div data-type="horizontalRule"><hr></div><h2>API Changes</h2><ul><li><p><strong>Phone Numbers API: SIP UAC registration.</strong> The Phone Numbers API now supports SIP UAC registration settings when <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/api-reference/platform-api/phone-numbers/create-custom-number">importing a number</a> or <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/api-reference/platform-api/phone-numbers/update-phone-number">updating an existing one</a>.</p></li></ul><div data-type="horizontalRule"><hr></div><h2>Improvements</h2><ul><li><p><strong>Hebrew available. </strong>Hebrew joins the list of <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/about-supported-languages">available languages</a> that Synthflow voice agents can speak and understand.</p></li></ul><div data-type="horizontalRule"><hr></div><h2>Deprecations &amp; Migrations</h2><ul><li><p><strong>Stripe-based reselling is ending.</strong> If you use custom pricing plans to bill customer subscriptions through Synthflow, you'll need to migrate before <strong>September 15, 2026</strong>, when the feature is discontinued. Your own Synthflow subscription is unaffected. See the <a target="_blank" rel="noopener noreferrer nofollow" class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current link" href="https://docs.synthflow.ai/reselling-migration-guide">reselling migration guide</a> for the required changes and next steps.</p></li><li><p><strong>Global region egress IPs updated.</strong> Six new outbound IP addresses have been added for HTTP requests from the <strong>Global</strong> region: <code>34.73.34.138</code>, <code>34.26.71.171</code>, <code>34.148.30.10</code>, <code>34.138.149.224</code>, <code>34.139.16.79</code>, <code>34.23.185.86</code>. If your firewall allowlists inbound HTTP traffic from Synthflow, add these addresses to prevent those requests from being blocked. Full list on the <a target="_blank" rel="noopener noreferrer nofollow" class="link" href="https://docs.synthflow.ai/egress-ip-addresses">Egress IP addresses</a> page. No action is required if you don't restrict inbound HTTP traffic.</p></li></ul><div data-type="horizontalRule"><hr></div><p>That’s everything for this month. We’ll keep sharing the product changes that make Voice AI easier to deploy, operate, and improve.</p>

Synthflow Recognized as a Voice AI Leader — Official Claude, Five9 & More

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