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Automatic Call Distributor

Definition

What is an Automatic Call Distributor?

The Automatic Call Distributor (ACD) is a system widely used in the telecommunications industry. Automatic call distributor systems are beneficial in any office that manages large volumes of inbound calls. The routing strategy is a rule-based series of instructions that informs the ACD how the machine handles the calls.

The ACD system handles calls based on the number called and the related handling instructions database. Businesses providing service support use automated call providers to verify callers, make outgoing calls, forward calls to the right person, allow callers to log communications, collect utilization data, balance the use of telephone lines and provide different services.

What is an Automatic Call Distributor

Why is automatic call distributor important?

The primary function of an automated call distributor is to direct incoming calls to contact center agents. The ACD system is created to accommodate common computer devices. Great features for remote routing applications include computer-telephony integration. This can increase the performance of call center agents by matching incoming calls with important PC data.

The automatic call distributor system uses a rule-based routing technique, based on a series of instructions that determine how inbound calls are managed and guided. Matching and routing thousands of calls to the right agent is a daunting job and is frequently performed in combination with an interactive voice response (IVR) device to help define customer needs.

Outsourcing FAQ

What is Computer-Telephony Integration (CTI)?

What is Computer-Telephony Integration?

Computer-Telephony Integration or CTI is a platform that allows electronic systems to communicate with phones and other means of communication. Email, live chat, fax, and text messaging are the usual CTI platforms that people use. Many call center companies utilize call center tools with CTI functionality. CTI helps these call centers achieve a strategic advantage in their business by allowing them to take a more informed approach to communicate with their telemarketers.

The right CTI system would help the agents to save time and effort during each call phase. As a result, they will be able to keep calls, queue them, and connect using the same interface in which they manage calls.

Advantages of using computer-telephony integration

Computer telephony integration can offer more than adding telephone controls to the call center agent’s interface. CTI also offers capabilities that are at the core of operating an accessible and productive call center.

Here are some of the benefits of Computer Telephony Integration:

Easily authenticate the caller. CTI aims to verify the caller by matching the contact information they called to the records in the company's database and advanced business software. Enhanced reporting. CTI increases the efficiency of reports by allowing telephone data and the inclusion of data from software systems. Call tracking. Lastly, Computer Telephony Integration (CTI) allows managers to monitor call activities. For instance, they use CTIs respond to live calls so that they can provide support when necessary.

What is Telephony?

What is a Telephony?

Telephony is defined as the field of technology that involves the development and application of telecommunication services between distant parties through the use of appropriate equipment, whether voice, fax, or data. It is also linked to the invention of the telephone.

Telephony, as a term, is also used to refer to any computer network systems, hardware, or software, that carry out the roles usually performed by telephones.

Types of telephony

Telephony allows people to carry out long-distance communication, and it is most commonly used to refer to telephone systems. However, there are other types of telephony:

Traditional telephony Voice Over IP (VoIP) and internet telephony Mobile telephony Faxing telephony

 

What is Voice Response Unit (VRU)?

See IVR.

What is the Voice Response Unit (VRU)?

The Voice Response Unit or VRU is an automatic telephone answering device composed of hardware and software that enables a caller to navigate across a set of pre-recorded messages.

When call centers started to transition to digital in the late 1990s, businesses began investing in computer telephony integration (CTI) with VRU systems.

Today, many call center companies use voice response units to handle the front end of inbound calls. VRUs usually play recorded greetings to callers and then present them with menu options. Interactive voice response (IVR) is another term for VRU.

Importance of voice response unit (VRU)

Voice Response Units help consumers communicate with the company’s host device using a keypad or voice recognition, through which services can be accessed via its interface. 

VRU systems may respond to additional direct users with pre-recorded or dynamically produced audio including how to proceed.

Voice response units can maximize customer service and increase operational performance. In addition, VRU systems can be used for smartphone transactions, banking transfers, services, shopping orders, utilities, travel details, and weather conditions. 

A correctly deployed voice response unit could be a key asset that helps both consumers and call centers.

Benefits of a voice response unit

Here are some benefits you can expect when using a VRU.

Cost savings

The voice response unit is one of the most considered useful for every business. You can save money on recruiting agents to handle minimal inquiries and routing incoming calls through using VRU to offer some customer service aspects and provide automatic call distributors (ACD).

Consistency and professionalism

Businesses can ensure a high degree of consistency and professionalism by incorporating voice response units into your system throughout the process. 

Customers will receive messaging and the tone you wish to engage every time they call if you have pre-recorded messages placed on your system.

Excellent customer service experience

Customers are put on hold while waiting for agents to answer the call. By answering calls immediately, voice response units can help relieve your consumers' frustration. 

Even if there is a high call volume and a long wait for a live agent, your VRU may enhance customer service and reduce staff anxiety by informing callers of projected wait times or providing a callback

Personalized customer service 

Many customers increasingly prefer the convenience of self-service in every brand they go to. Voice response devices can help consumers with basic or common questions by immediately answering them or directing them to the appropriate agent. 

Further, you can set your VRU system to identify and welcome such individuals by name. 

Data and information gathering

You can use your voice response units to collect data and information from callers if it does not breach any data regulations. This can help with future marketing and segmentation of your client base. 

Further, voice response units help identify common reasons for calls, allowing you to allocate more resources to that area if necessary.

What is What is business process outsourcing??

What is business process outsourcing (BPO)?

Business process outsourcing (BPO) is the practice of contracting a third-party provider to run a defined business function such as customer support, payroll, accounting, or IT helpdesk. The provider takes ownership of the people, process, and technology, and bills you on a per-seat, per-transaction, or fixed-fee basis.

BPO sits at the intersection of labour arbitrage and operational focus. You hand off a non-core function to a specialist that can run it cheaper, faster, or better, and your in-house team gets to concentrate on what actually moves the business.

The category covers everything from a 4-seat phone team in Cebu answering after-hours calls for a US plumbing firm, to a 5,000-seat captive in Manila handling global claims processing for a Fortune 500 insurer. Same idea, very different scale.

If you've used Apple support, ordered from Amazon, or paid with Wells Fargo, you've talked to a BPO provider — you just didn't know it.

How it works

A BPO engagement runs in three layers: contract, transition, and steady state. You scope the function, sign a service level agreement that locks in response times, quality thresholds, and pricing, then transition the work through documented playbooks and parallel runs before the provider takes the keys.

Pricing usually falls into one of four shapes:

Model How you pay Best for Per FTE (seat) Fixed monthly rate per agent Steady-volume work like inbound support Per transaction Set fee per call, ticket, or invoice Variable-volume back-office tasks Outcome-based Tied to a KPI like CSAT or collections Mature processes with clean metrics Hybrid Base FTE rate plus variable bonus Long-term partnerships

Location choice drives most of the savings. Sending work to the Philippines or India (offshoring) typically cuts loaded labour cost by 50–70% versus a US in-house team. Sending it to Mexico or Colombia (nearshoring) trims 30–50% while keeping you in roughly the same timezone. Keeping it domestic (onshoring) protects timezone and language fit but barely moves the cost needle.

The provider absorbs the recruiting, training, real estate, tech stack, and compliance burden. You absorb the vendor-management overhead and the risk that comes with handing a function to an outsider.

Examples

The global BPO market hit roughly USD 347.95 billion in 2025 and is projected to grow at a 10.05% CAGR through 2035, according to Precedence Research. That growth is concentrated in a handful of hubs and a handful of named buyers.

Google has used Philippine and Indian BPO partners since 2016 for content moderation, ads review, and customer support — a quiet workforce that scales with each product launch. Meta contracts Accenture and TaskUs in Manila for content moderation; the work pulled enough scrutiny in the early 2020s that Meta eventually broadened its provider base across multiple regions. Wells Fargo has operated a Manila back-office hub since 2011, handling mortgage processing, AML checks, and treasury operations for the US parent. JPMorgan Chase runs large captive and outsourced operations in India and the Philippines for KYC, trade settlement, and analytics.

The Philippines remains the standout English-language hub. According to the IT and Business Process Association of the Philippines, the country's IT-BPM sector generates roughly USD 40 billion in revenue and employs about 1.9 million people, with growth targets pushing past 2.5 million by 2028.

Related terms Outsourcing: the umbrella term; BPO is the back-office and front-office slice that runs whole processes rather than one-off projects. Offshoring: moving work to a distant country (e.g. US to Philippines). A location choice, not a contracting choice. Nearshoring: moving work to a nearby country (e.g. US to Mexico) to keep timezone and culture closer. Knowledge process outsourcing: KPO handles judgment-heavy work like legal research or equity analysis, not transactional tasks. Call center: one delivery format inside BPO, focused on inbound or outbound voice. Back office: the non-customer-facing operations layer that BPO most commonly absorbs. Service level agreement: the contract clause that defines what "good" looks like in a BPO deal. FAQ What is business process outsourcing in simple terms?

BPO is paying another company to run a piece of your business for you, usually a repeatable function like answering support calls, processing invoices, or managing payroll. You keep the brand and the strategy; they run the operation.

What is the difference between BPO and outsourcing?

Outsourcing is the broad category — anything you contract out, including one-off projects. BPO is the subset where a provider runs an ongoing, defined business process end-to-end, typically with its own staff, systems, and SLAs.

Is BPO only about cost savings?

No. Cost is the entry argument, but mature buyers cite access to specialist talent, 24/7 coverage, faster scaling, and freeing in-house leaders to focus on growth as bigger long-term wins. See the directory of vetted providers on Clutch for how the market positions itself today.

What functions do companies outsource most often?

Customer support, IT helpdesk, finance and accounting, payroll, HR administration, content moderation, and data entry top the list. Higher-judgment work like legal research, equity analysis, and medical coding has shifted to KPO providers over the last decade.

Which countries dominate the BPO industry?

The Philippines leads voice and customer experience, India leads IT and analytics, and Latin America (Mexico, Colombia, Costa Rica) leads nearshore work for North American buyers. Eastern Europe serves Western European clients on similar terms.

How do I choose a BPO provider?

Match scale to your volume, check for relevant compliance (ISO 27001, HIPAA, PCI DSS, SOC 2), ask for two reference clients in your industry, and pilot a small scope before committing to a multi-year contract. Walk away from any provider that won't share agent attrition data.

Ready to scope a BPO partner? Outsource Accelerator lists 4,000+ vetted providers across the top global hubs — use the directory to shortlist, compare pricing, and book intro calls without paying a referral fee.

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Outsource Accelerator is the trusted source of independent information, advisory and expert implementation of Business Process Outsourcing (BPO).

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About Derek Gallimore

Derek Gallimore has been in business for 20 years, outsourcing for over eight years, and has been living in Manila (the heart of global outsourcing) since 2014. Derek is the founder and CEO of Outsource Accelerator, and is regarded as a leading expert on all things outsourcing.

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