Virtual PBX Knowledge
22/06/2026
The most cost-effective ways to register for the 1900 hotline.
Reading time: 2 minutes
Many businesses are currently unsure how to register for a 1900 hotline. This article will help you make an easier choice when registering for a hotline.
How to register for a 1900 hotline?
- (e.g., Vietnam), then fill in all the information and click the “Register” button to use the service.
- Confirm the email from OMICall to your Gmail, activate your account, and after a short while, simply choose your desired phone number.
- After registration, a staff member will contact you within 5 minutes.

The most economical ways to register for a 1900 hotline, Viettel hotline
Why should you use OMICall’s 1900 hotline registration service?
- Save costs and increase sales
- Improve the quality of customer service
- Intelligent customer data management
- Manage the quality of telesales calls
- Build business processes
- Attractive hotline numbers: 1900, 1800, 777, 999,…
The benefits that this hotline registration service offers
- Increase call success rate to over 98%.
- Simply register to use the full features of Viettel’s hotline and CRM mini.
- Rated as the “Best Support” by customers.
- Integrated SMS Marketing and powerful automated calling features…
- Easy integration with other systems and the strongest API among systems in the same field.
- CRM mini with 4 powerful features for call data management, permission management, and user (employee) management – Call recording file storage.
- Integrated fanpage management and group video call meeting.
- Flexible and powerful script creation using drag and drop instead of hardcoded code like other systems.
- New OMI Smart Chat feature supports your customers in chatting, calling, and video calling (face to face) directly within the website’s live chat window.
VIHAT TECHNOLOGY Co., Ltd
Headquarters: ViHAT Building – 06 Street No. 16 (Him Lam Residential Area) – Hiep Binh Chanh Ward – Thu Duc District – Ho Chi Minh City
Hanoi Branch: Floor 15, LADECO Building, 266 Doi Can, Ba Dinh, Hanoi
Cambodia Branch: Thida Rath #154 St. 33MC, Sangkat Steung Meanchey, Khan Mean Chey, Phnom Penh
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