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Registering a switchboard number is essential for businesses that need to install a switchboard or a dedicated voicemail system as part of setting up their company’s services.

The 1800 and 1900 switchboard numbers are two prefixes licensed by the Ministry of Information and Communications for organizations and businesses to register with the goal of providing value-added services on each call. However, during the registration process, some businesses still do not fully understand how these numbers work.

The article below will help businesses gain a clearer understanding of these two number prefixes.

What are the 1800 and 1900 number prefixes?

These prefixes are licensed by the Ministry of Information and Communications for use in voice content service businesses.

Similarities between the two number prefixes

First, both prefixes are inbound-only and are not permitted to make outgoing calls.

Second, the 1800 and 1900 numbers share the same deployment process:

Support for logging in to check via the website

Selecting the desired number prefix to register

Signing the number provision contract

Deploying the number on the system within 3 days

Checking call charges online

The network carrier will provide customers with an account to monitor daily call charges

Differences between the 1800 and 1900 number prefixes

Despite having many similarities, there are still clear differences between them:

Payment method

For the 1800 number: calls are free for the caller. Businesses that register and deploy this switchboard number must cover all costs incurred.

For the 1900 number: this prefix charges the caller a fee. The cost depends on the rate set for the number. Businesses that register this prefix receive a percentage discount from the switchboard provider.

Cost of the number prefixes

The setup costs for both prefixes are relatively similar in terms of deployment fees and recurring monthly charges (subscription fees, switchboard rental costs). However, for the 1800 number, the business pays for incoming call charges on behalf of callers. For the 1900 number, the business receives a call charge discount from the network carrier of between 26% and 35% of total incoming call charges.

Call rates

For the 1800 number: businesses registered to use the 1800 prefix must pay the incoming call charges for their customers. Calls from landlines and mobile phones are charged at different rates.

For the 1900 number: this prefix has different call rate tiers corresponding to each specific case.

The nature of the two number prefixes

For the 1800 number: businesses encourage customers to call for after-sales customer care and support, with the aim of listening to customer feedback on product quality, service, and other matters.

For the 1900 number: businesses use this prefix to provide information content services, entertainment consulting, and customer care.

The article above has outlined the differences between the two number prefixes. We hope it has provided businesses with the information they need.

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

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