January 27th, 2026
New in Synthflow: Redesigned Agent Editor Rollout, Transfer to SIP, US Cluster, 100% Uptime, Chat Logs
We’re starting 2026 strong with 100% uptime, 40% lower latency, and a new dedicated US cluster. In the Synthflow platform we are rolling out the fully Redesigned Agent Editor to all workspaces and introducing transfers to SIP endpoints.
Redesigned Agent Editor Rollout
We’re rolling out the redesigned agent editor across all workspaces. You can already opt in today via Early Access settings and the editor will be automatically enabled for all workspaces according to the timeline below.
Rollout schedule:
End of January: Rollout to Starter, Pay as You Go, Pro, and Agency workspaces this week.
First week of February: Rollout to enterprise workspaces.
With the redesigned agent editor you’ll find custom actions, agent settings, Flow Designer, and all agent settings directly in the agent view.
Note on the Legacy Flow Designer:
For workspaces that still use the legacy Flow Designer, enabling the redesigned agent editor will automatically render those agents in the new Flow Designer interface. Step nodes will appear as conversation nodes, while agent behavior and execution will remain unchanged.
Agents will continue to function as a single flexible backend prompt. However, legacy Flow Designer agents will not support some of the newer node types we’ll continue introducing.
Easier Call Routing with SIP Transfers
You can now transfer calls directly to SIP endpoints and pass custom metadata through SIP headers, making it easier to route calls to the right teams with the right context.
Whether you're transferring to a department-specific SIP URI or passing critical information like customer IDs or store locations from Synthflow to your human agents, SIP transfer ensures smooth handoffs between AI and human teams while preserving all the context gathered during the conversation.
Here’s what you can do:
SIP URI Support: Transfer calls to SIP URIs in addition to traditional phone numbers.
Warm and Cold Transfers: Supports both cold transfers (direct handoff) and warm transfers (call summary before handoff).
Static or Dynamic Setup: SIP endpoints and headers can be hardcoded or passed dynamically as variables.
If you’re already using SIP, you can start routing calls this way immediately and pass richer context to your human agents without changing your existing setup.
New US Cluster: Faster Performance & Data Residency
Great news for our US customers: we have launched a dedicated infrastructure cluster specifically for your region. By moving backend services and databases to US territory, we’ve eliminated cross-Atlantic latency, ensuring your workspace is faster, more stable, and fully compliant with local data residency requirements.
What this means for you:
US Data Residency & Compliance: Your data now can reside strictly within the United States. This infrastructure update helps you meet specific US data residency requirements and security standards without any extra configuration.
Significantly Reduced Latency: We’ve removed cross-continent database round-trips. Users in the US cluster will notice immediate improvements in dashboard speeds, flow publishing, and general navigation.
High-Performance Telephony: Voice requests are routed through local servers. This increases concurrent call capacity and reduces the connection time for calls initiated in the US.
Improved Stability: With localized compute resources, the system is now more responsive and resilient, even during periods of peak load.
Find out how the US cluster benefits your workspace.
New Voice Options and Recommended Voices
We’ve expanded our voice catalog to give you more variety and flexibility when choosing the right voice for your specific use case.
You can now explore Deepgram’s Aura-2 text-to-speech voices, adding more options in tone, style, and character so you can test what works best for your agents.
To make discovery easier as the library grows, we now default to a curated set of “Recommended” ElevenLabs voices. This helps you quickly browse a representative selection, while full access to the complete voice library remains available.
Try out the new voices to see which ones best match your agents.
Quality, Reliability, and Scalability
Reliability remains our top priority. We have achieved 100% uptime over the past 45 days. To maintain this standard, we have upgraded our architecture to support better horizontal scaling under high load and reduced single points of failure through improved isolation.
Monitor our status and subscribe to maintenance alerts at status.synthflow.ai.
40% Lower Latency and Natural Conversation Flow
We’ve optimized our voice processing pipeline, driving a 40% reduction in average latency in January compared to December. Alongside speed, we’ve significantly improved endpointing, the logic that determines when a user is done talking.
The benefits:
40% Performance Boost: We have reduced average latency by 40% month-over-month.
Enhanced Turn-Taking: We have refined our endpointing algorithms to reduce false positives on silence detection. This ensures the agent accurately identifies the end of a user's turn, preventing agent from responding while the user is still speaking.
These improvements are already live in the Synthflow platform, so call your agent — you will feel the difference immediately.
Manage your Multi-Channel Agents with Chat Logs
Display conversations across all agents in your workspace. This makes it easier to monitor activity, troubleshoot issues, and analyze performance across your entire agent fleet from a single view. Learn more.
In case you missed our December releases, we shipped Agent Versioning for easy agent management and rollbacks rollbacks, Custom Actions v2 with system variables and auto-detection, Synthflow STT for improved non-English language support, GPT-5.2 integration, and major phone number management improvements.