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Dish Antenna

20 Years and Going Strong


ZONE Limited (”ZONE”), a wholly-owned subsidiary of Great Wall Terroir Holdings Limited, a company listed on the mainboard of the Hong Kong Stock Exchange (HKSE:524), is a telecommunication service provider licensed by the Office of the Communications Authority (OFCA) of Hong Kong. 

We specialize in offering telecom and IT-related services and solutions. Founded in 1999, having evolved over the last 20 years from an International Long Distance (IDD) service provider into a technology partner serving both SMEs and large corporations as well as carrier partners, we know very well how telecommunication works. 

We know equally well how to integrate telecommunication platforms  with your IT infrastructure. Attributing to innovations in VOIP telephony and cloud-based technologies, convergence of telecom and IT systems is now put in practice with tangible benefits of improved efficiency and cost savings. We have exactly the experience and knowledge to make convergence work for you.

We strive to provide professional service to support your growing business. Our team of experienced telecom professionals and system developers would thoroughly understand your requirements, select the right products and deliver the ideal solutions. 



Our service areas include:

IP Telephony 

Cloud-based IP Solutions

- VOIP, Asterisk and Open source IPPBX consultancy and implementation
- IP PBX, FXO/FXS gateways, IP Phones
- Hong Kong call origination & International termination

- Hong Kong DID numbers


Corporate Telecommunications Facilities

- IDC 
- PBX and telephone systems



Customer Relationship Management System ZONE CRM

- Feature-rich and customizable
- Automatic Call Distribution 
- Agent management
- Predictive dialer
- Voice Recordings 
- Interactive Voice Response System
- Hong Kong and China access numbers
- Hong Kong – China connectivity 




- Dedicated HK number

- Unlimited usage

We remain committed to provide products and services to both our retail (consumer and business) and our wholesale carrier partners with our reliable and affordable traditional International Long Distance (IDD) and other telecom-related Value-added Services (VAS) 




- IDD Voice (1511)

- HK Local Numbers (5804 XXXX)




- TDM voice

- VoIP Voice

- Data 


Find out more about our competitive and superior quality wholesale connectivity service offerings by contacting us at

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