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Welcome to Protollcall, Protollcall Advanced Services Co., Ltd. We provide Protollcall Cloud Contact Center, Protollcall Cloud PBX, Protollcall CRM, and Protollcall Outbound Campaign solutions on state-of-the-art Voice Over IP (VoIP) platforms. Our team has over 25 years of experience and expertise to deliver exceptional customer service.

Protocol understands the diverse needs of its customers and is committed to providing a service that adapts system functions to suit each customer’s business while maintaining core capabilities that meet the standards of Contact Center services. This applies to various industries including TV Shopping, Healthcare, Hospitals, Insurance, and Government, among others.
Protocol aims to be a leader in the Cloud Contact Center technology services industry, constantly evolving and improving to keep pace with ever-changing technology. Our vision is driven by a commitment to excellence and a desire to empower businesses through innovative Cloud Contact Center solutions.
Protocol offers a variety of services designed to meet your specific needs:
We offer SIP trunk numbers starting with 02 for business and enterprise use, as well as mobile numbers for outbound calls to customers in call centers, telesales, or for debt collection purposes.
Protollcall PBX service offers leased telephone exchange systems installed on Protollcall Cloud. It's quick to get started, requiring online login, no installation time, and no need for staff with PBX expertise.
If your business expands to other locations, you can still use the system as if you were in the same place and make internal calls free of charge.
Protollcall Cloud Contact Center service is a rental service for contact center systems via the internet, with a monthly fee. The Protollcall Cloud Contact Center system is installed on Protollcall Cloud and can be deployed quickly. There is no need to purchase a system, no installation waiting time, and no need for staff with contact center expertise.
Whether you need to expand or relocate your service center, or have agents answer calls from home, you can do so without affecting your customer service. Internal contact center calls can also be made free of charge.
Protollcall CRM is a CRM system integrated with a call center system, capable of serving a wide range of businesses such as helpdesk, telesales, TV shopping, debt collection, and insurance, among others.
It can be customized to meet the specific needs of each organization, supporting both inbound and outbound operations. It integrates various systems seamlessly to enhance your business efficiency and productivity.
Our service develops seamless integration with customers' social media channels, including Facebook Messenger, LINE, and Marketplace, enabling them to manage their call centers more efficiently.
We design and install on-site IP PBX and Contact Center systems for internal back-office use. This is ideal for large organizations that do not wish to store data on the cloud or have their own dedicated technical support team.
We provide consulting, design, installation, and system development services tailored to client requirements. Examples include CRM system development and API development for connecting internal and external systems. Our focus is on developing systems that meet client needs and maximize business benefits. Our team of experts offers guidance to help you navigate the complex world of technology more easily.
Protocol is committed to providing excellent and high-quality service. Innovation and cutting-edge technology drive our continuous improvement, ensuring we remain a reliable partner for all businesses seeking growth in the AI and digital era.
Protocol is ready to assist and be a part of driving your business forward. With our expertise and proficiency in VOIP technology, we support you and us in achieving your business goals together. Contact us today for services tailored to your needs.

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