AI and Infrastructure
Build real-time agents that can participate in calls, meetings, browser sessions, and application workflows through speech, video, shared screens, approved tools, enterprise context, interruption handling, and safe human escalation.
A live agent must hear and see approved context, respond within an acceptable delay, handle interruption and changing session state, use bounded data and actions, recover from media or model failures, and transfer safely to a person. Speech, video, images, screens, documents, signaling, workflow, and human authority must operate as one session system.
Streaming speech, video, and low-latency response
SIP, WebRTC, media servers, screens, and session state
Bounded tools and enterprise workflows
Interruption, escalation, quality, and observability
THE LIVE SESSION
A live interaction spans signaling, routing, codecs, network packets, jitter, audio and video processing, streaming recognition, visual context, dialogue, retrieval or tools, speech generation, playback, recording, and session state. Delays accumulate across every stage. A response that is acceptable in text can feel unworkable when a participant waits in silence or when visual analysis arrives after the relevant moment.
The session changes while the system responds. A person may interrupt, correct a phrase, move a camera, replace a shared screen, open a document, change language, or ask for a human. Packet loss, noise, lighting, and different devices affect interpretation. The runtime must reconcile what to cancel or retain without losing state, permissions, confirmation, source timing, or the context required for safe escalation.
COMMON FAILURE MODES
A convincing model response does not compensate for a broken audio path, lost state, unsafe action, or poor transfer experience.
Recognition, model reasoning, retrieval, tools, synthesis, transport, and playback each meet a local target while their combined delay leaves unnatural silence or overlapping turns.
Barge-in may stop audio but leave model generation, a tool action, or workflow state running. The next turn then begins from a state the caller did not hear or approve.
A plausible transcript can contain the wrong name, date, identifier, or intent. Confirmation, schemas, evidence, permissions, and review must reflect the consequence of the action.
Teams cannot explain a failed interaction when call quality, packet behavior, recognition, dialogue, tool, synthesis, and application events cannot be correlated on one session timeline.
A transfer that drops conversation state, evidence, completed steps, caller intent, or the reason for escalation forces repetition and can leave the receiving person without a safe basis to continue.
THE COMPLETE SOLUTION
OPTIME may combine SIP, WebRTC, RTP, media servers, telephony or application sessions, routing, recording, audio processing, streaming speech recognition, language or dialogue systems, retrieval, approved tool execution, workflow state, speech synthesis, playback, interruption handling, enterprise integration, human transfer, security, quality monitoring, and production operations.
The session state defines what is currently happening, what the caller has heard, which action is pending, and what must be confirmed. Deterministic workflow controls surround model-driven interpretation and language. Tools expose only approved operations with explicit inputs, permissions, timeouts, limits, and escalation behavior.
The architecture can use public, private, regional, or hybrid speech and language services according to latency, quality, language, privacy, availability, and operating capacity. Full automation is not the default objective; agent assistance or early human transfer can provide the stronger system when consequence or uncertainty requires it.
ENGINEERING CAPABILITIES
The implementation follows the actual call, meeting, browser, device, visual context, product, language, and escalation environment.
Integrate callers, browsers, devices, carriers, applications, SIP, WebRTC, RTP, media servers, conferencing, routing, and recording according to the current communication environment. Session identity, state, lifecycle, and failure remain explicit.
Handle capture, codecs, jitter, packet behavior, noise, echo, partial transcripts, endpointing, language, and timing for live recognition. Recognition events remain associated with the correct session and media timeline.
Synchronize approved camera video, images, shared screens, presentations, documents, speech, timestamps, participant state, and application events. Visual models or document processing are selected for the task and deployment boundary, while every interpretation remains connected to its source moment and current session state.
Maintain conversation history, current workflow stage, business context, confirmation state, deadlines, and deterministic rules around model-driven responses. The system knows what has been completed, cancelled, heard, or still requires approval.
Allow only approved searches, updates, scheduling, routing, or workflow actions through defined schemas, identity, permissions, timeouts, budgets, confirmation, and error handling. A model cannot invent a tool or silently broaden its authority.
Control streaming synthesis, response timing, playback, turn detection, barge-in, cancellation, restart, and the relationship between generated audio and live session state. Interrupted output and pending actions are reconciled deliberately.
Transfer a session with useful context, preserve completed and pending workflow state, explain the reason for escalation, or provide live transcription, retrieval, summaries, and suggestions to an existing agent. Human authority remains explicit.
Connect media quality, recognition, dialogue, latency, tools, synthesis, transfer, failures, security boundaries, cost, and outcome through evaluation and observability. Use representative audio, network, language, concurrency, and exception conditions.
SYSTEM ARCHITECTURE
The architecture keeps signaling, audio, video, screens, speech, visual context, dialogue, tools, and escalation connected through one session state and observable timeline.
Participants and products establish the channel, identity, language, requested function, camera or screen context, user experience, and operational boundary.
Session control connects participants, routes calls, manages lifecycle and transfers, and preserves the state required by the live workflow.
Real-time media services transport, mix, forward, transcode, buffer, process, record, and expose approved audio, video, images, and screen content while preserving timing and quality evidence.
Speech, video, images, screens, and documents become time-aligned events with source, language, confidence, and correction behavior for the current session.
Models assist interpretation and response while explicit state, policy, confirmation, timeouts, and deterministic rules control the workflow.
Authorized information and actions enter through bounded interfaces that preserve identity, validation, evidence, and failure behavior.
Generated speech is streamed into the live media path and remains cancellable and synchronized with session and workflow state.
A person can receive the live session, relevant context, evidence, completed steps, and the reason assistance or approval is required.
Session traces, media metrics, model versions, tool events, latency, capacity, permissions, failures, and operating processes support dependable production use.
ARCHITECTURE DECISIONS
Approach A
A voice-only path can reduce media access, synchronization, compute, privacy, and evaluation complexity when speech contains the information required by the workflow.
Approach B
A multimodal agent can combine speech with approved video, images, screens, presentations, documents, and application state when visual context changes the required interpretation or action.
Selection considerations
Add visual processing only when it creates measurable workflow value. Define media permissions, timing, source evidence, model placement, capacity, quality, and behavior when the visual context is missing or stale.
Approach A
A deterministic menu or state machine provides predictable choices, transitions, and validation for known tasks.
Approach B
Conversational interpretation can accept more natural variation and adapt approved responses to context.
Selection considerations
Use conversation where it improves access or workflow value, while retaining explicit state, permissions, confirmation, and fallback for material actions.
Approach A
Separate recognition, dialogue, tools, and synthesis components provide explicit interfaces and independent selection or control.
Approach B
An end-to-end speech model may reduce some handoffs and support natural turn behavior for suitable tasks.
Selection considerations
Compare language and audio quality, latency, interruption, tool control, observability, privacy, lifecycle, provider dependency, and the ability to validate each function.
Approach A
External speech and visual services can provide broad model capability and reduce infrastructure operation.
Approach B
Private, on-premises, regional, edge, or device execution can provide stronger placement and lifecycle control for speech and visual workloads.
Selection considerations
Evaluate audio and video data boundaries, latency, languages, visual tasks, quality, availability, regional needs, concurrency, hardware, and operational capacity. Hybrid routing may fit.
Approach A
Bounded, reversible, well-validated actions may complete automatically after required confirmation.
Approach B
Agent assistance or human transfer can preserve accountability for uncertain, exceptional, or consequential interactions.
Selection considerations
Define the boundary through consequence, confidence, reversibility, user expectation, policy, operator availability, and transfer quality-not through a goal of maximum automation.
REPRESENTATIVE SCENARIOS
These representative scenarios illustrate engineering patterns. They are not claims about specific customer deployments.
ENGAGEMENT APPROACH
Phase 1
Review the call, meeting, browser, device, or product flow; signaling and audio path; languages; latency budget; actions; permissions; escalation; privacy; concurrency; and current systems.
Possible deliverables
Phase 2
Implement the complete speech, approved visual context, dialogue or model, tool, synthesis, interruption, and transfer loop using representative media, network, language, and failure conditions.
Possible deliverables
Phase 3
Build signaling, media, speech, session state, tools, enterprise integration, user or agent experience, security, observability, deployment, and recovery for the approved scope.
Possible deliverables
Phase 4
Validate latency, noise, packet loss, interruption, concurrency, incorrect speech, unavailable dependencies, tool failures, transfer, private or regional operation, and controlled updates.
Possible deliverables
POSSIBLE DELIVERABLES
A defined signaling, routing, RTP, WebRTC, media-server, audio, video, screen, document, recording, state, transfer, and failure boundary.
Approved speech, language, visual context, dialogue, model, synthesis, timing, turn-taking, interruption, and cancellation components.
Permissioned retrieval and actions, schemas, confirmation, deterministic policy, enterprise interfaces, and exception handling.
Session-state reconciliation, context package, escalation reasons, agent assistance, takeover, and recovery paths.
Representative tests, session traces, media and model telemetry, capacity, security boundaries, runbooks, and release controls.
The final deliverables depend on the communication environment, languages, workflow authority, deployment boundary, and required operating behavior.
START A TECHNICAL CONVERSATION
Share the product, workload, architecture, infrastructure, performance, security, or delivery constraint that must be resolved.
Austin, Texas
Distributed engineering teams across North America, Europe, the Caucasus, and Latin America.
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