Cloud-based PBX
Receive and make calls on phones, browsers, or apps without investing in physical PBX systems.
Virtual PBX service
for businesses
Cloud PBX · Call Center · Omnichannel Customer Care
Connect teams, handle calls, and care for customers on a single system. Choose from cloud PBX to Call Center and omnichannel communication based on enterprise needs.
- No physical PBX required
- Connect multiple branches
- Free internal calls
- Zalo OA integration by plan
- 6–12 month recording storage
- 10-day free trial
Service solutionsVirtual PBX
PBX solutions for businesses
Connect multiple branches
Coordinate across departments on a unified system, utilizing free internal calls and virtual receptionists to guide customers.
Manage and track calls
Look up reports and call recordings to support customer service. Monitoring and reporting capabilities scale with the service package.
Expand engagement channels
Add Zalo OA from the Standard plan; connect Fanpage, Zalo, and Email with the Omni Channel plan to manage multi-channel communications.
Service PricingVirtual PBX
Price listed per user per month. Choose a plan based on the number of personnel and the customer care channels you need to use.
Voice switchboard
BASIC
For teams needing to receive and manage calls daily.
59.000VND / user / month
6-month recording
Basic switchboard features
- Supports all ISPs Viettel, VinaPhone, MobiFone, and GTEL/VNM.
- Multi-branch, multi-language
- 6-month recording storage Call recordings are kept for 6 months from the call date.
- Free internal calls
- Unlimited calls Unlimited concurrent calls. Outbound call rates are still billed per minute, 6s + 1 billing block.
- Virtual receptionist
- Reports
- Third-party platform integration
- Optimize call rates Outbound call charges: on-net 490–570 VND/minute, off-net 650–820 VND/minute depending on the carrier. See the Voice Brandname section.
- iPhone / Mobile / Web / App
Connect Zalo& CRM
STANDARD
For businesses managing customer care via phone and Zalo.
89.000VND / user / month
6-month recording
Includes all Basic features, plus:
- Zalo OA integration Requires a verified Official Account. ZBS messaging fees are charged separately based on volume.
- Use Zalo OA as a hotline
- Free calls from Zalo Calls made via the Zalo app do not incur mobile voice charges.
- Call from PBX to customer's Zalo
- Contacts / Basic CRM
- Marketing Zalo ZBS Priority SMS (OTP) 440 VND/msg, standard · voucher · payment 330 VND/msg. Image attachment +330 VND.
- Call monitoring
- Advanced reporting
Sales& AI Agent
CALL CENTER
For telesales, survey, and agent management teams.
199.000VND / user / month
12-month recording
Includes all Standard features, plus:
- AI Agent Inbound
- AI Agent Outbound
- Telesale / Telesurvey / Telemarketing
- Marketing qua SMS / Zalo ZBS SMS unit prices vary by content category and carrier: customer care messages from 205.2 VND/SMS, promotional messages from 276 VND/SMS. ZBS messages from 330 VND/message.
- 12-month recording storage Call recordings are kept for 12 months from the call date.
- Agent monitoring
- Dashboard &report
Multi-channel customer care
OMNI CHANNEL
For teams handling customers across multiple communication channels.
299.000VND / user / month
12-month recording
Includes all Call Center features, plus:
- Fanpage integration
- Zalo OA integration: voice and chat Call and message on the same Official Account. ZBS messaging fees are charged separately based on volume.
- Email integration
- Dashboard
- Reports&analyze
Pricingbundled services
Switchboard rental fee is charged per user. Zalo messages, SMS, branded calls, and AI-powered calls are billed extra based on actual usage.
Messages via Zalo OA.Send customer care messages, verification codes, and vouchers to Zalo users via enterprise Official Accounts.
Message unit price
- Priority SMS — verification code (OTP), delivered within 15 seconds
- 440 VND / message
- Standard messages, Voucher messages, Payment messages — delivered within 2 hours
- 330 VND / message
- Attach image module
- +330 VND
- Activate Response button
- +110 VND
CTA button in messages
- Default action button according to template type
- Free
- Go to OA page, Zalo Mini App, or OA post
- 110 VND
- Go to electronic invoice lookup page
- 110 VND
- Go to the business's website
- 110 VND
- Make a call
- 220 VND
- Go to another business's website or Mini App
- 550 VND
- Go to the business's app
- 660 VND
- Go to another business's app
- 1,100 VND
- Go to landing page calling to download app
- 3,300 VND
- If the committed time elapses and the user has not received the message, the system returns a failure result and incurs no charge. Time is based on Zalo logs.
- The first CTA button pointing to the business's OA or Mini App is free; from the second button onward, 110 VND is charged per button.
Display brand name on outgoing calls.Outbound calls display your brand name instead of an unknown number, helping customers recognize your business and answer more frequently.
Setup and maintenance fee
- Initialize — once per network
- 66.000 VND
- Maintenance — per network, per month
- 66.000 VND
Per-minute voice charges
- VinaPhone — on-net
- 490 VND / minute
- VinaPhone — off-net
- 650 VND / minute
- MobiFone — on-net
- 490 VND / minute
- MobiFone — off-net
- 820 VND / min
- Viettel — on-net
- 570 VND / minute
- Viettel — off-net
- 820 VND / min
- Charges billed in 6-second + 1 blocks.
- On-net calls display Brandname; off-net calls display standard hotline.
Branded message.Send customer care or promotional SMS to mobile subscribers, with the brand name displayed as the sender.
Brandname fee
- Initialize — once per network
- 66.000 VND
- Customer care SMS maintenance — per network, per month
- 66.000 VND
- Promotional SMS maintenance — Viettel
- Free
- Promotional SMS maintenance — MobiFone
- 66.000 VND / month
Customer care messages — unit price per message
Swipe horizontally to view all network carriers
| Content group | Viettel | MobiFone | VinaPhone | VNM | Gtel | Itel/Reddi |
|---|---|---|---|---|---|---|
| Group 1Healthcare, Education | 391,2 VND | 436,8 VND | 430,8 VND | 703,2 VND | 256.8 VND | 780 VND |
| Group 2LVK | 888 VND | 794.4 VND | 794.4 VND | 998.4 VND | 378 VND | 780 VND |
| Group 3MXHVN | 559,2 VND | 656,4 VND | 656,4 VND | 693,6 VND | 385,2 VND | 780 VND |
| Group 4MXHQT | 3,720 VND | 3,720 VND | 3,145.2 VND | 6.376,8 VND | 5.473,2 VND | 3,720 VND |
| Group 5Bank | 932 VND | 787.2 VND | 800.4 VND | 806.4 VND | 385,2 VND | 780 VND |
| Group 6HCC | 391,2 VND | 219.6 VND | 205.2 VND | 510 VND | 256.8 VND | 780 VND |
| Group 7E-commerce | 396 VND | 540 VND | 488,4 VND | 998.4 VND | 385,2 VND | 780 VND |
| Group 8CK, BH | 877.2 VND | 816 VND | 816 VND | 998.4 VND | 385,2 VND | 780 VND |
| Group 10Ride-hailing | 396 VND | — | 396 VND | — | 385,2 VND | 780 VND |
| Group 11Country | 382,8 VND | 283.2 VND | 441,6 VND | 717,6 VND | 385,2 VND | 780 VND |
| Group 13Power | 381,6 VND | 405,6 VND | 405,6 VND | 717,6 VND | 385,2 VND | 780 VND |
Advertising messages — unit price per message
Swipe horizontally to view all network carriers
| Content group | Viettel | MobiFone | VinaPhone | VNM | Gtel |
|---|---|---|---|---|---|
| Group 1Normal | 529,2 VND | 397,2 VND | 432 VND | 453,6 VND | 378 VND |
| Group 2Real Estate | 318 VND | 276 VND | 284.4 VND | — | — |
| Group 3Bank | 535,2 VND | — | — | — | — |
| Group 4Enrollment | 318 VND | — | — | — | — |
| Group 5Promotion | 370,8 VND | — | — | — | — |
- Message unit prices depend on the registered content category and the recipient's mobile network operator.
- The "—" mark indicates a quote item without a unit price for that carrier. Contact VPTS for confirmation prior to deployment.
AI answers and interacts with calls.When AI answering and interaction is enabled, each call minute includes the AI rate plus the carrier call rate.
Call charges with AI
- Charges for AI response and interaction
- 1,500 VND / minute
- Carrier voice charges — e.g. landline numbers
- 660 VND / minute
- Total charge based on the example above
- 2,160 VND / minute
- AI charges are an additional fee when AI answers and interacts; carrier voice rates are billed separately.
- The 660 VND/min rate is an example for landline numbers; actual call charges depend on prefixes and call routes.
Unit prices for Zalo ZBS, Voice Brandname, and SMS Brandname include VAT. Quotes are valid for 60 days from the date sent; AI charges and terms of application are confirmed during deployment consultation.
Register a virtual PBX for business
Discuss with VPTS about your team scale and integration needs to receive deployment plans along with specific quotes.
What is a virtual PBX?
A virtual PBX is a cloud-based call management system. Instead of investing in an on-premises physical switchboard, businesses can use desk phones, web browsers, or apps to receive and make calls.
Departments and branches collaborate on a single system with an automated attendant, internal calling, call recording, and reporting. As needs expand, businesses can add integrations for Zalo OA, Call Center, Fanpage, or Email channels.
- Use on iPhone, mobile devices, Web, and Apps
- Connect staff across multiple branches
- Centralized call management, recording, and reporting
- Choose a plan based on actual usage needs
From phone calls to omnichannel customer care
Each plan expands upon the capabilities of the previous one. Businesses can start with voice PBX, add Zalo OA, followed by Call Center and omnichannel communication systems.
- Basic · Voice PBX
Virtual receptionist, internal calling, call recording, and reporting for daily call handling needs.
- Standard · Zalo OA Connection
Use Zalo OA as a hotline, make calls to customer Zalo accounts, utilize basic contacts/CRM, and access advanced reports.
- Call Center · Team Management
AI Agent Inbound/Outbound, telesales, agent monitoring, and 12-month recording.
- Omnichannel · Multi-channel communication
Add Fanpage, Zalo OA voice/chat, Email, dashboard, and analytics reports.
Application ofVirtual PBX
What business needs does a virtual PBX suit?
Customer care
Centralize customer call handling on a single PBX, supporting virtual receptionists to route callers to the appropriate department. Personnel can look up call recordings and reports to review conversations, support customer inquiries, and track daily customer care tasks.
Kinh doanh & telesale
Suitable for teams running consultation calls, surveys, or campaign-based customer outreach. The Call Center plan adds Telesales, Telesurvey, Telemarketing, along with Inbound/Outbound AI Agents. Agent monitoring and reporting capabilities help managers oversee team performance.
Multi-branch businesses
Connect departments and branches on a single system, utilizing free internal calls for team communication. Multilingual support across phone, web, and apps facilitates work across multiple locations. Businesses can scale user capacity based on actual needs.
Hotline on Zalo OA
Starting from the Standard plan, businesses can integrate Zalo OA into their customer intake and support processes. Features include using Zalo OA as a hotline, receiving free calls from Zalo, and placing calls from the PBX to customers' Zalo. Basic contacts/CRM and Zalo ZBS provide additional tools for contact and consultation.
Call quality management
Look up audio recordings to review consultations, assist in resolving feedback, and guide staff in specific scenarios. Basic and Standard store recordings for 6 months; Call Center and Omni Channel store for 12 months. Monitoring and reporting features scale by plan, matching team size.
Received from multiple channels
The Omni Channel plan inherits Call Center features and adds Fanpage, Zalo OA voice/chat, and Email. Businesses can expand inquiry intake across channels their customers frequently use. Dashboards, reports, and analytics assist in tracking communications across multiple channels.
Processservice deployment
Deploy according to actual requirements
-
Discuss requirements
Let VPTS know your team size, branches, phone numbers, and current communication channels.
-
Select a plan and try it
Compare features, choose an appropriate plan, and discuss the 10-day trial option.
-
Configure and deploy to production
Agree on phone numbers, call branching, and integrations prior to operation.
Frequently asked questions aboutVirtual PBX
Guidance on plan selection, costs, features, and PBX deployment for businesses.
Should businesses choose Basic, Standard, Call Center, or Omni Channel?
Basic is suitable when you need a voice PBX, virtual receptionist, internal calls, recording, and reporting. Choose Standard to add Zalo OA, basic contacts/CRM, and call monitoring. Call Center is tailored for telesales, surveys, AI Agents, and call agent management. Omni Channel adds Fanpage, Zalo OA voice/chat, and Email. Higher-tier plans inherit all features from previous ones, so select based on the channels and tasks your team actually requires.
What does per-user/month pricing mean? Can I calculate an estimated cost?
This is the PBX rental unit price for one user per month. For example, 10 users on the Basic plan have a listed rental fee of 10 × 59,000 = 590,000 VND/month. With a minimum 6-month billing cycle, the corresponding rental fee is 3,540,000 VND. Actual costs also depend on hotline numbers, call volume, and integration requirements; VPTS will discuss these items in the quote prior to deployment.
Does “unlimited calls” mean outbound calls are free?
Unlimited concurrent calls should not be understood as entirely free calling rates. The feature list includes free internal calls and unlimited concurrent calls. Other calls, phone numbers, and traffic must be clarified during configuration consulting and quoting. You should specify user counts, inbound/outbound requirements, and estimated traffic for accurate cost advice.
Is it necessary to purchase a physical PBX or install dedicated equipment at the office?
The service operates on a cloud platform, eliminating the need to invest in an on-premise PBX at the office. You can use it on iPhone, mobile devices, Web, and Apps depending on your deployment plan. When discussing requirements, specify your device types, staff count, and working environment to choose the most convenient connection method. No need to purchase additional devices before agreeing on a plan.
Can employees across multiple branch offices share a single phone system?
Yes. Feature matrix supports multi-branch, multi-language, and free internal calls. Businesses can discuss organizational structures on the same system while choosing suitable desk phones, web, or mobile apps for each staff group. Prior to deployment, prepare the branch list, user count, and preferred call reception and distribution flows.
Which package should I choose to use Zalo OA as a hotline?
Zalo OA features start from the Standard plan and are carried over to Call Center and Omni Channel. Standard includes Zalo OA integration, using OA as a hotline, free calls from Zalo, calls from the switchboard to customer Zalo, and Zalo ZNS marketing. If you need additional Zalo OA voice/chat combined with Fanpage and Email, consider the Omni Channel plan. Please provide your existing OA information during consultation to clarify the scope and integration requirements.
How long are call recordings stored, and what are they used for?
Basic and Standard store recordings for 6 months; Call Center and Omni Channel store them for 12 months. Audio recordings help teams review consulting content, support feedback handling, and train staff based on actual situations. Businesses should discuss lookup requirements, access permissions, and retention with the deployment provider to choose the plan that best fits their workflow.
Can I try it out before officially subscribing?
The service table includes a 10-day full-featured free trial program. Contact VPTS, specify user count and desired test features to receive trial plan advice. During this time, evaluate call handling, employee experience, reporting, and necessary integration channels before choosing an official subscription plan.
What is the payment billing cycle? How does the 12-month prepayment promotion apply?
Minimum payment of 6 months per term. When prepaying 12 months of switchboard rental fees, businesses receive 1 additional month free, corresponding to 13 months of use. This promotion applies to switchboard rental duration; items such as numbers, call traffic, and integrations need to be cross-checked separately in the quote. Please confirm the total cost and usage period before payment.
What information should be prepared to receive consultation and deployment?
You should prepare the number of users, number of branches, phone numbers currently used or intended to register, estimated call volume, and channels to connect such as Zalo OA, Fanpage, and Email. Add how you want to organize the inbound department and recording/reporting needs. VPTS will use this information to advise on packages, integration scope, and specific deployment plans.
How are AI-assisted call charges calculated?
When AI answers and interacts, the AI charge is 1,500 VND/min and is added to the telecom carrier call rate. For example, with a landline call rate of 660 VND/min, the estimated total is 2,160 VND/min. Actual call rates depend on the prefix and call destination; please confirm applicable terms and taxes during consultation. PBX plan rental per user/month is billed separately.
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Breakthrough Performance Journey with VPTS VPS
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ASENRA.VN from 31 to 99, better prepared for AI search
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Choosing the right PBX starts with headcount, phone numbers, call volume, and the channels that need integration.
Discuss with VPTS about your team scale and integration needs to receive deployment plans along with specific quotes.
Deployment consultationFind a PBX package suitable for your business
From voice PBX to Call Center and Omnichannel, businesses can choose the feature scope tailored to their customer care operations.
Contact VPTS to discuss requirements, request a trial, and receive a quote prior to deployment.
View pricing
