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Direct Inward Dialing Number Services

Establish strong local presence and uplift around the clock interaction globally

What is Direct Inward Dialing (DID)?

HGC Direct Inward Dialing (DID) is the numbering services which allows customers to access non-PSTN destinations (VoIP) from regular telephones. Inbound callers can reach directly a specific extension/ destination by skipping the phone tree and bypass call queues.

HGC supplies high volume and high quality DID services to telecom and enterprises worldwide via our state-of-art IP network and SIP trunk services.

Phone numbers, everywhere

DID Carrier


DID call center

Customer Service Support Centre

DID calling cards

Calling Cards

DID Conference operator

Conference Operators

Direct Inward Dialing Key Features

  • Extensive international coverage of local, national, mobile and toll-free virtual numbers worldwide worldwide
  • Partner with local Mobile Network Operator (MNO) globally
  • Premium quality, fully-redundant, secure and private network and global voice origination services provision
  • 7 x 24 Network Operations Centre (NOC) monitoring Support
HGC DID services
HGC DID services benefit

Why HGC Direct Inward Dialing Services?

  • Enhance customer user experience with streamlined services
  • Present localized company image
  • Flexible solutions for mobile workforce
Talk to an expert
Talk to an expert

HGC Global Communications Limited may, directly or through its affiliated companies, agents and/or business partners1, use my personal data2(“Personal Data”) for direct marketing of the services and/or products as set out below.

Please select the box(es) below to indicate you do not consent to any of the items and HGC Global Communications Limited shall not use the Personal Data for direct marketing


  1. Business partners include those entities of designated industries having a contractual relationship with HGC Global Communications Limited (please refer to3for details of designated industries).
  2. Personal Data includes any or all of the following : name, gender, telephone number, fax number, postal address, e-mail address, month and year of birth, and the information on usage of telecommunications and related telecommunications value-added services and relevant HGC Global Communications Limited’s account and service number.
  3. Designated industries include telecommunications and related telecommunications value-added services and/or products, concierge services, flowers and hampers, wedding planning services, personal care and beauty, fashion and apparel, supermarket and department stores, household, catering/ food and beverages, hotels and travelling, entertainment and leisure, high-end consumer products, electrical and electronic products, e-commerce and payment platforms, media, insurance, banking and finance, education, stationery and office equipment, real estate and property management, logistics and transportation, social network services, recruitment, charitable and non-profit making organizations.

If at any time in the future you do not wish HGC Global Communications Limited, its affiliated companies, agents and/or business partners in providing you with any information for direct marketing of the aforesaid products and services relating to HGC Global Communications Limited, its affiliated companies and business partners, please contact us via email, or by mail to PO Box 33, Tsuen Wan Post Office, Hong Kong or call HGC Global Communications Limited’s Customer Services Hotline 1220 (Voice/IDD Service) / 1222 (Internet Service). If you inform us via email or by post, our customer service representative will contact you for verification purpose.


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