PABX & Unified Communication


The communication kept a function very importance in life. To meet the requirements of internal communication, before normally we need to register direct lines from Telephone Service Provider (ex. VNPT, Viettel ….)

What happened when a lot of directly lines were used:

  • Arising many cost for monthly subscriber and for internal calls.
  • Uncomfortable when we make internal call because digit of number phone (extension) very long.
  • There is not a main number phone to represent for customer. The customer must be remember a lot of number phones when make call.
  • Do not support some features as: Display calling number, pick-up call, transfer call, phone lock, voice mail, conference ….
  • The accounting management depends on Telephone service provider.

The PABX system will comply above. The PABX system will provide private number phone for each personal (extension) or group of function people. All those number phones can make outgoing call and receive incoming call from trunk line between the PABX system and Telephone service provide. Useful from the PABX system:

  • Reduce monthly cost for all local subscribers.
  • Do not pay cost for internal calls.
  • Internal number phone shortly, may be used from 2 digits to 4 digits depend customer’s requirements.
  • The customer only remembers the main number then we can call direct to internal number phone via DISA (Direct Inward System Access) function or receptionist.
  • Using advance feature of system as: display calling number, pick-up call, transfer call, voice mail, call lock …
  • Support accounting manager system to generation extension report, group report, trunk report that does not depend on by Telephone service provider.

The PABX system with digital technologies, it is deploying on large region and provided a lot of optimal functions.

ONE CORP is a Expert Business Partner of Alcatel-Lucent over 15 years; always provide production and solution about voice / data network connection of Alcatel-Lucent.

ONE CORP is a Silver Partner of Nortel from 18 years ago, always provide production and solution about voice / data network connection and now ONE CORP came a Silver Partner of Avaya.

Alcatel-Lucent and Avaya provide PABX and Contact Center model with small, medium, large or very large capacity to comply full customer’s requirement.


Alcatel-Lucent OmniPCX Enterprise (OXE) PABX system

Alcatel-Lucent proposal Alcatel-Lucent OmniPCX Enterprise solutions, this is using for office with capacity from several tens to tens of thousands  subscribers.

The Alcatel-Lucent OmniPCX Enterprise is a new model, with high technology, integrated multimedia voice, data, video over TDM and IP environment. Switching operate follow “Crystal” diagram, thus prevent congestion into Alcatel-Lucent OmniPCX Enterprise system.

The client/server architecture is based on the Linux operating system provide high stability and security. Easy to expand configuration system (increase module and media gateway) by copper cable, fiber cable or IP environment.

The capacity of Alcatel-Lucent OXE system from 50 to 100.000 subcriber, with stand-alone configuration support from 50 to 15.000 subscribers and network configuration support from 15.000 to 100.000 subscribers.

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Alcatel-Lucent OmniPCX Enterprise Communication Server

Alcatel-Lucent Premium Deskphones

Alcatel-Lucent 9 Series Digital Phones

Alcatel-Lucent 8 Series IP Touch Phones

Avaya Aura Communication Manager (CM) PABX system

Avaya PABX system is a new communication market innovation. Service application base on fundamentally providing ability of communication, utility services, simply configuration and lower cost. Real time communication was been providing with performance, high reliability over the global network, everywhere on the world.

 Avaya PABX solution provide all sizes for all of office from several tens to hundreds of thousands  subscribers

Avaya system fully support analog phone, digital phone, IP Phone, IP Soft phone, SIP Phone, Dect phone, Wireless phone…. Trunk connection as: Analog, ISDN BRI/PRI, T1/E1, IP Trunk. Avaya system support to configure, manage via Console, Web interface friendly for management.

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Avaya Aura Unified

Avaya Aura Communication Manager

Avaya Common Servers Overview

Avaya Media Gateways

Avaya 9600 Series IP Deskphones


Alcatel-Lucent OmniPCX Office (OXO) PABX system

OXO PABX system is small PABX model, integrate multimedia, multiservice as: Voice, data, video, IP service; Provide for small and medium office.

OXO PABX system support up to 200 subscribers (Analog phone, digital phone, DECT phone, IP/SIP phone), 120 trunk connections, 32 agents for contact center system. Support many features as: Voicemail, Callback request, Call pick-up, Call transfer, call forward, conference, DISA, voice guide, music on hold…

Module architecture is integrated power supply AC 220V. Easy to install on 19 inch Rack, can be expand to 03 Racks module with 27 slots for install card.

Alcatel OmniPCX Office support to access for operation, maintenance via Com Serial port, Ethernet port, Modem port with friendly graphic interface.

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Alcatel Lucent OmniPCX Office

Avaya IP Office (IPO) PABX system

Avaya IP Office PABX system is small model of Avaya production. Support up to 2000 subscribers supply for small office or medium office.

Support both TDM (Time Division Multiplexing) and IP technology, support up to 32 locations.

Support to deploy features for voice and data connection:  Network routing, DHCP, RAS, switching and Firewall secure between LAN and WAN, Contact center, voice and email messaging, IVR (Interactive Voice Response), conferencing, CTI (Computer telephony integration), call routing.

Support many phone types such as: analog phone, digital phone, IP/SIP/Soft phone, and TDM/IP trunk.

IP Office Manager support install on Windows PC, it is provide connect to IP Office system via LAN or remote access via WAN

The system still provide conference with 128 channels and maximum to 64 parties in the conference room

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Avaya  IP Office


In the business the communication operation. Information resource is very importance; it generates connections between customers with business, partners with provider, users and more. Information resource as effective as business working receives many advantages. Today, communication with customer help many channels such as SMS, email, fax, video, conference,...

Original Business has PABX system, voice mail system fax machine, email system, conferencing system (audio/video) and more…. Many systems were provided by many providers generate issues as compatible between systems, waste of resource, waste of management personal and increase generation cost.

Unified communication is a solution for integrated all in one in collaboration help your voice, video, messaging, and customer contact applications converge on a single network that spreads intelligent and flexible communications throughout your organization. Everyone at headquarters, remote branch offices, and on the road will have the same enhanced communication capabilities—so they can easily and quickly take care of business. Bring your separate data, voice, and video networks together. Connect traditional analog, digital, H.323, and SIP communication devices, including tablets and smart phones, into a single communications environment.

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Alcatel-Lucent OpenTouch Business Edition

Alcatel-Lucent OpenTouch Multimedia Services