With Retell, we’ve increased scheduling NPS by 38%, and filled underutilized provider capacity, allowing our team to focus on meaningful patient care instead of phone tag.
AI Telecom Support Calls for ISPs, Wireless, and Cable Providers
Set up AI telecom support in four stages, from your call flows to live calls on your existing contact center.
Telecom support calls verified, diagnosed, and resolved or booked

Need the caller confirmed as the account holder first. The agent collects the details you require, such as account number, name, and a security answer, and checks them against your CRM or billing system through a custom function before it discusses the account. Callers who fail the check are handled by the rule you set, such as a transfer to a person.

Need the first fixes done without a technician. A custom function calls your diagnostics tool or line status API, and the agent reads the results back in plain language, for example speed or signal in the room the caller is in. It then walks the customer through the steps you write, such as rebooting the modem or a mesh unit, and runs the test again.

Need the call to end with a next step. When the second test still fails, a custom function asks your dispatch or scheduling system for open slots through its API, the agent offers the windows, and books the one the customer picks. Salesforce is a native integration for cases and custom objects, so the call notes and the booking can land on the customer's record.

Need billing calls closed without a rep opening the account. The agent reads the open amount and recent invoices from your billing system's API and explains why a bill is higher, what was charged, or why service was cut off. Sensitive cases, such as a disputed charge, go to your team by warm transfer with the account already summarized.

Need to add the agent without replacing your routing. Calls are forwarded from your contact center platform or your SIP trunk to the agent, and transfers go back to your existing queues. Where a native integration for your platform doesn't exist, forwarding and SIP transfer cover the handoff, and your team can keep its reporting.

Need the agent to sound right to your customers. Choose the language and voice per agent and test pronunciation on simulated calls and by listening, because every language needs both a voice and speech recognition that support it. Many telecom teams start with the most frequent call type on a share of volume, then add outbound calls such as payment reminders.
Retell is the AI Voice Platform Enterprise Contact Centers Run On
Why telecom teams choose Retell AI for support calls



- Hubspot

- Twilio

- Vonage

- Go High Level

- n8n

- Zapier

- Salesforce

- Hubspot

- Twillio

- Vonage

- Go High Level

- 8n8

- Zapier

- Salesforce

- Avaya

- Genesys
- Five9
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- Telnyx
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- Avaya

- Genesys
- Five9
- Amazon Connect

- Telnyx
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- Cal.com
Cut Costs by 90% with AI phone Agents
Pay as you go
$0 to start.
Enterprise Plan
For companies with large volumes, data or deployment requirements, or support needs.
Frequently asked questions.
Does Retell integrate with my billing system or my contact center platform?
Retell has no prebuilt connector for telecom billing systems. The agent reaches them through custom functions that call their API during the call, such as reading the open amount or an invoice. Salesforce, HubSpot, and Zendesk are native integrations. For routing, you forward calls from your contact center platform or import your number over a SIP trunk, and transfers return calls to your queues.
Can the agent run line or Wi-Fi diagnostics?
Yes, if your diagnostics tool or line status service has an API. A custom function calls it during the call, the agent reads the results back in plain language, and it continues with the steps you write. Your team, a Retell solution partner, or our team builds the connection once, and you test the paths before going live.
How does the agent verify who is calling?
You define the checks, such as account number, name, or a security answer, and the agent validates them against your CRM or billing system through a custom function before it shares account details. A failed check follows the rule you set, such as a transfer to a person, and you test the failures on simulated calls.
Can the agent speak our customers' language and accent?
A language works only when both a voice provider and a speech recognition provider support it, and the dashboard's language picker shows which combinations are available. Accent and pronunciation quality varies by language and voice, so test with native speakers on simulated and real calls before launch and choose the voice that fits.
How much does AI telecom support cost on Retell?
Retell voice agents are priced per minute of conversation, from $0.07 per minute, depending on the language model, voice, and telephony you choose. Pay-as-you-go needs no contract, and Enterprise plans have custom pricing for high volume or custom deployment needs. See pricing for your mix.
How should we start without risking customer satisfaction?
Start with one frequent call type on a share of your volume, forward only that share to the agent, and compare handle time, resolution, and satisfaction with your current handling. Every call returns a transcript and the fields you define, so you can read the calls that went wrong and fix the instructions before you increase the share.

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