Customer-Support AI Agent

What this agent does

Answers the question, not the account change

Ingest the contact, the account record and your authentication policy from supported care, billing or CRM sources.

Normalise plan names, charges and device details, and carry each answer forward with the record it came from.

Reason

State that the customer is speaking to an AI system, and keep a human adviser one request away.

Run the authentication challenge your policy configures — never a name, date of birth, address or last four.

Answer account, service and billing questions from the documented record, and name the record behind each answer.

Decide

Withhold call detail until a 47 CFR 64.2010 path clears, and offer the address or number of record instead.

Hold chargeable adds, removals and changes for a named adviser, with the recurring price and term stated back.

Out

Retain the contact, the authentication run, the record answered from and the adviser's disposition.

Execute write actions only inside the approval boundaries agreed during implementation.

→ Product statement

The agent answers and gathers; a named adviser decides anything chargeable or CPNI-bearing, and the carrier stays the regulated entity under § 222.

Example workflow

One contact, question to answer

AgentHuman

1Contact receivedVoice line, chat, app message, relay call or an inbound email

2Context assembledPlan, device, charges, prior contacts and any recorded accessibility need, each with its source

3Answer proposedAnswer, the record behind it and confidence

4Controls appliedAuthentication tier, call-detail withholding, chargeable-change holds and confidence threshold

No human action required

Stages 1 to 4 run unaided, and nothing chargeable moves at any of them — the agent is answering, and the adviser's lane opens at the confidence gate.

5DecisionBranches at the confidence threshold

High confidence

Goes to the named adviser to release.

Low confidence

Adds a supervisor read first.

Adviser review

The answer is held with its record, its authentication trail and the confidence.

Release · Correct · Send to supervisor review

Released — the customer is answered▼

6Care and billing systems updatedOnly where write access and approval policy allow it

7Outcome evaluatedRepeat contacts, corrections in review, complaints logged and failed authentication attempts

Corrections

Each adviser correction is counted in the evaluation.

What should not run autonomously

Human approval stays in control

Outside the boundary — human approval required8 items

Releasing call detail on an unverified contact.

Adding, removing or changing a chargeable feature.

Anything touching a suspected or reported breach.

Closing a contact that carries a relay or access need.

Automation boundaryAgent acts unaided

✓Answer account and billing questions from the documented record.

✓Gather the contact, the account and the prior contacts.

✓Run the authentication challenge the policy configures.

✓Hold anything chargeable or CPNI-bearing for a named adviser.

Any write happens inside the boundaries agreed at implementation, never ahead of the adviser's release.

Effecting a SIM change, port-out or number transfer.

Disconnecting a line or cancelling a subscription.

Placing outbound marketing calls, texts or AI voice.

Changes to authentication or escalation thresholds.

Example output

One contact, annotated

Everything the agent answers is attached to the record it was drawn from.

Support output · single contactIllustrative example

Contact

Answer given

Account

Source of record

Confidence

Release path

Bill higher than last month

Out-of-bundle roaming data rated on the current bill

Consumer line, post-paid

Rated usage on the bill

93%

Held for the adviser

As receivedTaken from the rated bill and the account record — nothing on this side is written by the agent.

Records used Rated usage on the bill Plan and bundle on file Prior contacts on the account

Why this answerIt reads back a charge already on the bill, and releases no call detail.

ActionReleaseCorrectSend to supervisor review

What the score decidesBelow the configured threshold the answer picks up a supervisor read before it is sent.

Value

Where AI adds value

The same four claims, placed at the point in the workflow where each one applies.

Where the value landsValue 01 – 04

Every contactFrom the account record

03Answering

Answer from the record

Draw on the rated bill, the plan on file and the authentication tier your policy sets for that data.

01Approved path

Answer without the hold

Documented account and billing questions come back answered, on the channel the customer used, relay included.

02Human review

Send advisers to the held work

Chargeable changes, call-detail requests, breach signals and low-confidence answers are marked, so adviser time lands where being wrong is costly.

04Build an evidence trail

The question, the record it was answered from and the adviser who took it stay on the case.

Integrations

Typical integrations

Five system groups connect to the same agent. Which of them are in scope is decided in discovery.

Care platformsSalesforce Service · Zendesk
Amdocs · NetCracker care

Billing and chargingAmdocs · CSG · Netcracker
Optiva · Matrixx

CRM and identitySalesforce · Microsoft Dynamics
Authentication and IAM services

Agent

Customer support

Reads the record
Answers the contact
Holds for an adviser

Contact channelsVoice · chat · messaging
Relay (711) and accessible paths

Observability & evaluationOpenTelemetry · Langfuse
Supported monitoring/evaluation sources

Integration availability depends on the client's existing systems and API access.

Agent controls

Six layers between the model and the customer

Each control wraps the one inside it. What a layer does not catch is named in the map below it.

L6 · Outermost — last line of defenceInward → L1 · closest to the model

L6Rollback / safe modePull the agent back to signposting when evaluation or production signals degrade.Roll back

L5Version monitoringTrack model, prompt, authentication-rule and disclosure-configuration changes.Track

L4TraceabilityRecord the contact, the authentication run, the record answered from and the release time.Record

L3Adviser reviewHolds contacts for the named adviser; it governs release, not whether a released answer is right.Gate

L2Policy guardrailsTest each answer against the CPNI, chargeable-change and contact-preference rules outside the model; a match stops it.Restrict

L1Confidence thresholdsRoute low-confidence answers to a supervisor read before the customer sees them.Require review

Model coreAnswer produced — the answer, the record behind it and the confidence

L1 – L2Test whether an answer may stand

L3Puts release in an adviser's hands

L4 – L5Keep the answer and the record behind it

L6Drops the agent to signposting when signals degrade

How Nestack evaluates it

Evaluate the whole contact path — not only the answer the customer hears.

Coverage runs the whole depth of the workflow, and every layer is cut by slice.

Surface — the answer the customer acts on

Depth of coverage ▼

E1Final-output evaluationDid the answer match the record it was drawn from?

E2Step-level evaluationDid the agent use the right account, tariff and authentication configuration?

E3Tool evaluationDid it read the correct account and write to the correct case?

E4Confidence calibrationDo low-confidence answers actually attract more adviser corrections?

E5Slice evaluationHow far apart do correction rates sit across specific contact reasons?

E6Business outcomeHow many contacts came back a second time, and how many closed without reaching an adviser who should have seen them?

Floor — what the customer is left holding

Failure modes

Where each failure originates in the agent

Seven ways a contact goes wrong, placed at its stage.

Agent lifecycleDirection of processing →

01 · Retrieval1 mode

NF-03

Superseded record read

The answer comes from a tariff the account has since moved off.

Stage gathersContact, account record, rated bill and prior contacts

02 · Reasoning2 modes

NF-04

Biographical authentication

Identity is treated as settled on name, address or last four.

NF-06

Chargeable change inferred

A conversational cue is read as authorisation for a charge.

Stage proposesThe answer, its record and the confidence

03 · Tool / write2 modes

NF-02

Call detail read back

Usage or call detail leaves the session without a cleared path.

NF-05

Relay turn read as silence

A relay operator's typing delay ends the contact early.

Stage writesOnly where write access and approval policy allow it

04 · Output1 mode

NF-01

Answer contradicts the bill

The agent states a charge or entitlement the record does not show.

Stage returnsThe answer the customer acts on and the case

05 · Change / Version1 mode

NF-07

Silent disclosure regression

A model or rule change widens what the agent will read back.

Stage tracksModel, prompt, authentication and disclosure rules

Sev-1 · answers outside the boundary Sev-2 · a wrong answer reaches the customer Sev-3 · records degrade, contact goes to review

See the complete Telecom failure-mode catalogue →

Affected slices

Overall answer quality can hide one contact reason

The slice a total buries here is call-detail and usage requests: few contacts, most of the corrections. Nestack reports the correction rate by contact reason, not only in total.

Slice performance — reported separately, not only in aggregateIllustrative example

Slice	Failure rate	Lift	Status
Call-detail and usage requests	4.9%	3.5×	Review
Billing disputes and credits	3.6%	2.6×	Review
Feature and add-on changes	2.5%	1.8×	Watch
Routine account questions	1.3%	0.9×	Normal

Bar: adviser-correction lift vs. the routine-account baseline · scale 0–4.0× · tick marks the 2.0× review threshold 2 of 4 slices over threshold

Evidence-linked improvement

The loop ends in a regression case

A cycle closes when the failure is a regression case the next release has to pass. That suite is what the next contact into care is measured against.

Improvement cycle · five stagesSwitchback — the path turns at Improve and returns at Learn

01Detect

Adviser corrections rise in one contact reason.

02Diagnose

The case record is the unit of diagnosis — the question, the authentication run against it, the record answered from and who took it over.

03Improve

The change ships against a version, with the contacts that exposed it attached.

04Verify

Release is blocked until the affected regression cases pass again.

05Learn

The case joins the permanent suite and the care playbook.

Learn → DetectThe return edge. Detection starts again against a suite one case longer.

Typical build scope

Twelve workstreams across six weeks

The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, sources, contact workflow, evaluation, integration, then production validation and handover.

Workstream Week 1Week 2Week 3Week 4Week 5Week 6

01Support workflow discovery and boundary definition.

02Care-platform and billing-data assessment.

03Authentication tiers, disclosure rules and hold points.

04Contact and account-record ingestion.

05Answering logic and record binding.

06Confidence scoring and hold routing.

07Adviser review workflow.

08Care-platform and billing integration.

09Authentication-path cases.

10Guardrails and disclosure controls.

11Contact-trail instrumentation.

12Deployment, documentation and Agent Care handover.

12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel Final scope and sequence confirmed in discovery

Engagement tiers

What each tier includes

Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.

Capability✓ in scope · — not at this tier PilotOne brand, one contact channel ProductionProduction care platform AdvancedMultiple brands / markets

Introduced at Pilot

Answering from your records✓✓✓

Adviser review✓✓✓

Answer-quality baseline✓✓✓

Introduced at Production

Reporting by contact reason—✓✓

Review workflow in your systems—✓✓

Approved write-back—✓✓

Care-platform integration—✓✓

Introduced at Advanced

Multi-brand and multi-market rollout——✓

Multi-stage adviser approvals——✓

High contact volume——✓

Multi-market care controls——✓

Build price From $5,000 From $8,000 Custom quote

Final build priceConfirmed after discovery based on integrations, workflow complexity, contact volume, escalation controls and deployment requirements.

Separate from buildBuild pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.

What we need from you

What you bring, and what we build with it

Each input maps to a piece of build scope and a week in the delivery timeline.

You bringWe build with it

01Your authentication policy and its tiers → Contact and account-record ingestionWeek 1

02Representative contacts from a past quarter → Answering baseline, context gathering and record bindingWeek 2

03Your contact-preference and revocation rules → Disclosure-rule mapping and the automation boundaryWeek 1

04Access to relevant APIs, feeds or exports → Care-platform, billing and identity assessment, then integration setupWeek 2

05Answers you would not want repeated → Authentication cases and failure-mode testingWeek 4

06Where an answer must stop and wait for an adviser → Confidence scoring, hold routing, guardrails and disclosure controlsWeek 3

07Named advisers to release held contacts → Adviser review workflow, then pilot and production validationWeeks 5–6

Nothing else is required Deployment, documentation and Agent Care handover are ours.

Delivery timeline

Four phases across six weeks

Each phase sits on the weeks it actually occupies, and week 5 carries both evaluation and launch work.

Phase W1W2W3W4W5W6

Discovery W1

Build W2 – W3

Evaluate W4 – W5

Pilot & Launch W5 – W6

Week focus W1Care workflow discovery, disclosure mapping and the automation boundary W2Source integration and the answering baseline W3Answering workflow, confidence logic and adviser controls W4Evaluation suite, authentication-path checks and failure-mode testing W5Platform integration, a pilot contact queue and targeted corrections W6A live care queue answered under supervision, then Agent Care handover

Reading the bandEach bar covers only the weeks its work is named in. The fifth week doubles because the work overlaps.

At the end of W6Validation closes on live contacts, and Agent Care picks up monitoring.

DurationSix-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.

Next step · Telecom AI agent

Build a customer-support agent around your authentication policy.

We'll map the contact path, set the automation boundary and name what the agent hands over. You bring your authentication policy, the billing and account systems behind it, and the advisers who take what it will not finish.

Discuss this agent →

Nestack Agents · Customer supportAGT-TL-01 · Agent Care available after launch