Thought Leadership. IDT Corporation, New Jersey, United States. 

 

The international calling market, valued at $1.72 billion in 2025, is expected to exceed $2 billion by 2030.

Data Bridge Market Research’s Global International Call Services Market report indicates that the demand for international calling services is largely driven by globalization and cross-border trends, including advancements in digital communication solutions and an international migrant population of about 304 million people looking to stay connected with their folks back home.

As one of the largest migrant destinations, hosting over 61 million migrants, North America unsurprisingly dominates the center of that demand with a market share of 37.3% as at 2024.

The widespread adoption of mobile app calling, fueled by increasing smartphone penetration, also plays a substantial role in driving demand. This trend is reinforced by BOSS Revolution Calling Statistics and Analytics (2015-2025) study, which revealed that between 2015 and 2025, in-app calls rose from 14% to 71% of the platform’s total voice product data.

Overall, the market signals for international calling services are largely positive. However, some operators, municipalities, multifamily unit managers, enterprises, and even ISPs across North America still struggle with converting those signals into high-value revenue streams.

The demand base operators already serve — they just haven’t connected the dots

Accounting for nearly 10% of the continent’s total population, the North American migrant stock is not a fringe population. Immigrants are an integral part of North American communities and are mostly fully absorbed into everyday markets, including the telecoms market.

ISPs serving multifamily housing, municipalities building community broadband, and regional operators building gateway cities have substantial subscriber overlap with the highest-frequency international callers.

At the intersection of this overlap are immigrant households, seasonal workers, and small businesses managing overseas supply chains. All of whom share a common demand for more affordable, higher-quality international calling services that terminate calls to mobile and landlines. The 57-percentage-point surge in mobile app-originated calls in the BOSS Revolution international calling network over the last decade perfectly reflects the scale of this demand.

The subscriber base for international calls already exists and will continue to grow alongside the continent’s migrant stock. Operators and housing developments willing to build and deliver flexible service tiers for this market segment stand to capture the sustainable revenue stream the market offers.

Where OTT falls short — and why carrier-grade still wins on key routes

Operators contemplating the potential of international calling services may easily find themselves overestimating the reach of OTT providers. Accounting for the limited availability or total lack of reliable internet infrastructure in many of the regions where calls from North America are often terminated can help put real market potential into perspective.

OTT platforms have absorbed the easy use cases: app-to-app calls between smartphone users in countries/areas with strong internet infrastructure.

But what they have failed to solve is a reliable termination to mobile and landline numbers in Latin America, South Asia, West Africa, and Southeast Asia.

Many countries in these regions, which are equally international calling corridors that matter the most to the North American diaspora population, generally have poor internet infrastructure or relatively low smartphone penetration.

Scenarios like this are very common across developing nations, signaling a gap for app-to-mobile/landline international call carriers to fill across the globe.

Beyond the scale of the target audience, call quality and security must be made a crucial factor when assessing market potential:

• Call quality variation: As of 2025, call quality variation still remains a major problem in the OTT market, affecting about 21% of international routes, most of which are in developing regions.
• Fraud-related bypass traffic: Interconnect bypass fraud initiated via OTT networks affects about 8% of global international voice traffic, particularly in high-demand corridors.

These problems present opportunities for operators to enter the market with much-needed cleaner, more reliable, and more secure termination on these routes by partnering with established wholesale partners.

Operators who route customers’ call traffic through established carrier networks and wholesale partners, such as the BOSS Revolution international calling app, generally outperform those that rely on OTT-adjacent infrastructure across three domains:

• App-to-mobile and app-to-landline international calls.
• Reliable call quality and termination in internet-poor areas.
• Bypass prevention in high-demand corridors like Latin America.

Replicating the processes established by successful service providers in the international mobile calling market enables new operators to enter seamlessly.

International calling as an ARPU lever — the service that creates stickiness

Globally, telecom operators are merely able to capture 60% of customer value, indicating a 40% vacuum in ARPU indices. A 2025 Simon-Kucher study covering 31 markets across the world points to the prioritization of acquisition strategies over the needs of the existing customer base as a major factor limiting the maximization of customer lifetime value.

Essentially, operators must revisit the drawing board to identify and capitalize on high repeat-usage behaviors that do not require an unnecessary upsell. International calling is one of such few value-added services with reliable margin levers.

It is a market that already boasts strong subscriber bases in high-demand corridors, but which local operators often fail to recognize.

International calling customers are generally driven by a deeply personal need to connect with their family, friends, and business partners abroad. And they barely need an extra nudge from telecom providers to take the next step, as long as service quality and cost meet their expectations.

For ISPs and multifamily operators in particular, adding a well-priced, high-quality international calling option to an existing broadband bundle captures this market segment and reduces churn by addressing a need that subscribers would otherwise meet through a competing provider or OTT workaround.

What a high-quality offering actually requires

ISPs and MDU operators looking to break into the international calling market eventually reach a crossroads: become a reseller or partner with a defensible international calling product.

1. Commodity resale: Buying and reselling wholesale minutes comes with white-labeling opportunities but often leaves operators hanging on thin margins while competing solely on price within a given corridor. This approach is largely unsustainable in the long term, as customer loyalty switches as soon as they find a cheaper reseller.
2. Partnering with an established international calling partner: To offer an international calling product, where customers can make a mobile recharge through the website or app and equally make calls to any mobile or landline number worldwide. Thus, customers are sufficiently enabled with a sense of ownership that converts to long-term loyalty.

To move forward, operators have to decide whether they want to take the first option for quick profit and an even quicker divestiture, or the second option for longer-term market domination, a loyal customer base, and a higher profit margin.

Riding on the reputation of experienced partners gives operators the leverage to easily funnel their subscribers into an international calling add-on.

More importantly, instead of going through the complex hurdle of building infrastructure from scratch, operators build on their partners’ international calling infrastructure to deliver high-quality services to their customers.

In practice, high-quality often translates to:

• Multi-corridor reliability: Alongside gaining easy market entry in as many corridors as the calling product partner offers, customers also get to enjoy reliable connectivity around the clock with minimal to zero call quality variation.
• Fraud protection: Strong partners shield operators from bypass fraud and their customers from emerging cyber threats.
• Prepaid flexibility: Experienced partners usually analyze large volumes of consumer data to create flexible plans that align with the diverging needs of a highly heterogeneous user base.
• Transparent per-minute economics: Customers prefer operators that are upfront with their rates in available corridors and provide assurance that users pay solely for the exact duration of their calls without incurring hidden connection charges.

Delivering these high-quality services to customers starts with operators doing due diligence to ensure that their partners are reputable, credible, and have the infrastructure to deliver reliably across high-demand corridors for the North American diaspora population.

Overall, operators move freely through the market with minimal financial commitment while their partners handle the bulk of operations and service delivery.

Final Thoughts

As 5G and fiber build-outs continue expanding network capacity and emerging latency optimization, fraud prevention, and AI-driven call routing technologies dramatically improve call quality, the operators best positioned to monetize that infrastructure will be those who pair connectivity with services that address real subscriber needs.

International calling is one of the clearest examples of a high-value VAS.

The infrastructure is already in place, so tapping the revenue therein is only a matter of activating what subscribers already want: affordable, clear, reliable termination in high-demand corridors.