The Outsourced Support Company Behind 187,000 Customer Locations
Tony Espinoza moved from Southern California to Cebu City and started CallTek in 2004 with a team of twenty. Today, the same operation answers for MSPs, integrators, broadband providers, and the businesses that depend on them.




We Learned This Work From Your Side of the Desk
Tony was an engineer first, and he built the technology before building the support operation behind it, holding patents on protocols that still run in client environments today. CallTek opened in 2004 to serve internet service providers, hospitality integrators, and multi-tenant operators, and it still serves them.
Doors open in Cebu City
CallTek opens in Cebu City with a team of twenty, supporting internet service providers, hospitality low-voltage integrators, and multi-tenant operators.
Beyond the original three
Support extends into new verticals beyond the original three.
CAS goes live
CAS goes live, giving CallTek its own help desk ticketing system to track every request from first contact to close.
Field services go national
Field services expand nationally, adding on-site technicians to remote support.
General Santos City site opens
CallTek opens its General Santos City site.
First team members in India
The team grows beyond the Philippines, with the first team members in India.
COSMOS launches
COSMOS launches for network monitoring, and the team expands into Guatemala.
Team members in Egypt
Team members join from Egypt.
Odyssey CX launches
Odyssey CX launches, bringing AI-assisted quality review to every customer interaction.
ResolveAI demoed at HITEC
ResolveAI, CallTek's Tier 1 AI support agent, is first demoed at HITEC 2025.
Offices open in Kenya and Davao City
CallTek opens offices in Kenya in February and Davao City in September.
One operation, worldwide
34 global locations, 187,000+ customer locations supported, and over 9,500 field dispatches a year.
The People Accountable for Your Account
The usual pattern with a support vendor is that the people running delivery have never done it. Most of the leaders on this page were promoted from inside CallTek, and the two running operations and quality started as Tier 1 agents, in 2006 and 2008. When something goes wrong on your account, it escalates to someone who has sat in that seat.

German Lopéz
Chief Executive Officer
Joined CallTek in 2023 after two decades of executive leadership in the contact center and BPO industry. Former President of the Guatemalan Contact Center and BPO Association, and previously CallTek's Chief Financial Officer.

Danny Wu
Chief Solution and Innovation Officer
At CallTek since 2009, from General Manager to running global operations. Engineering graduate of the University of California and an Engineering Manager at Guest-Tek before he joined.

Josh Bergen
Chief Growth Officer
Three decades leading customer and growth teams, including a run as CEO and President of a hospitality MSSP. Certified Hospitality Accounting Executive and Certified Hospitality Technology Professional.

Miguel Antonio Lorenzo
Vice President of Operations
Two decades in BPO leadership, including operations spanning 1,000+ FTEs across the Philippines and Malaysia. Joined CallTek to lead Philippine operations and help teams grow, perform, and scale.

Shelley Tabernero
Senior Director of Operations
Joined CallTek in 2006 as a Tier 1 Agent and progressed to Senior Director of Operations. Leads multiple operations, focusing on performance, client partnerships, and building high-performing teams.

Darline Nailon
Senior Controller
More than a decade in finance and accounting across outsourcing, hospitality, manufacturing, and other industries. At CallTek, leads financial reporting, internal controls, and profitability, bringing both CPA and legal expertise to the role.

Cher Teatro
Human Resources Director
At CallTek for 15 years, starting in accounting before moving into HR leadership. Now leads HR strategy and operations across employee relations, compliance, performance, and organizational development.

Cathleen Ybanez
Director of Field Operations
At CallTek since 2013, building the national field services operation for hospitality and MDU clients. More than a decade across customer service, field service operations, and project management.

Yanni Ybanez
Director of Quality & Training
At CallTek since 2008, starting as a Tier 1 Tech Support Engineer and moving into quality leadership. Led the Odyssey project, CallTek's AI initiative, and holds a degree in Business Administration.

Kurt Villaluna
Director of Technology
At CallTek since 2005, starting as a Tier 1 representative and progressing to Director of Technology. Helped launch COSMOS, CallTek's network monitoring platform, and leads the teams handling new technology and complex installations.
One Partner for Every Layer of Support
Most businesses assemble support from three vendors and spend the difference managing the seams between them. CallTek runs every layer under one contract and one brand, which is yours.
Know Exactly What You’re Buying
Support vendors tend to stay vague about scope and location until a contract is in front of you. CallTek’s answers are on this page instead.
Tier 1 and Tier 2, with our own engineers behind it.
CallTek resolves Tier 1 and Tier 2 and escalates in-house when a problem runs deeper. Work that needs your product roadmap stays with you.
Onshore, nearshore, and offshore — you pick the mix.
Teams work from seven countries, with the operational base in Cebu City and the head office in California.
You keep the standards. We staff them.
Agents answer under your name and work in your systems, while priorities, escalation paths, and service standards stay yours.
IT Support Outsourcing That Holds Up at Scale
The operation now spans seven countries and supports over 187,000 customer locations worldwide.
Ready to Put Our Professionals Behind Your Support?
Tell us where you need more coverage, capacity, or expertise. We'll show you how a fully managed support operation can strengthen your technology operations.




















