IP Telephony

Open-Alt provides telecommunication services and consulting, with end-to-end business solutions that leverage on next-generation technologies. Our solutions cater to the converging environment of business and technology strategies. We offer cutting-edge telephony solutions not based on proprietary systems but Open source! Our telephony services include IP PBX solutions, Interactive Voice Response (IVR),

Call Center Solutions, predictive dialers, voice mail, voice logger, video & audio conferencing solutions, web conferencing solutions and many more customized telecom solutions to suit your communication needs.

Asterisk IP Telephony

Asterisk Solution

We deliver customized VoIP Asterisk based business solutions and technology.

Asterisk empowers developers and integrators to create advanced communication solutions. An Asterisk system is a low cost type of a traditional pbx system. Asterisk PBX supports a wide range of TDM protocols for the handling and transmission of voice over traditional telephony interfaces, and VoIP packet protocols. You can add power of open source telephony to your applications. Our Asterisk experts can help you integrating your application with Asterisk telephony interface with easy to use API interface.

How can you benefit from VoIP telephony ?

  • Reduced calling costs
  • Integrated voice and data applications
  • Centralized control of remote branch telephone calls
  • Company-wide dial-plans and short codes for simplified network operations
  • Home users integration with the central corporate PABX
  • Call availability to all standard telephones (VoIP and conventional

IP-PBX Solutions

An IP (Internet Protocol) PBX (Private branch exchange) is a business telephone system designed to deliver voice over a data network and interoperate with the normal Public Switched Telephone Network (PSTN).

IP-PBX has become a real breakthrough in the modern technologies as it allows transferring various types of data. IP-PBX is especially useful for business enterprises that need to maintain constant contact with customer and affiliates nationally and internationally.

IP-PBX is the way to monitor your business throughout the world.

Call Centers

Open-Alt can provide small to large scale call center solutions to your organization. Starting from two agents in a single shift to hundreds of agents in multiple shifts, Open-Alt can provide a scalable service and solution that suits your organization's needs. 

Open-Alt uses open source Asterisk to implement calling queues, call recording, CTI and other call/service related functionalities. This gives our clients the opportunity to reduce costs without losing quality compared to other proprietary solutions.

Call Center - CRM Integration

Call Center - CRM Integration can provide your open source call center with the ability to manage your customers directly. The CRM integration to Asterisk provides notes uploading, call recording, customer management, number lookups and a number of other benefits that a standalone Asterisk or independent CRM can not provide.Open-Alt's customer-centric approach makes us proficient in CRM implementation for various industry verticals. We have expertise in integrating CRM and Telephony.

Custom IVR Development

Interactive Voice Response (IVR) is a computerized phone system that enables a person, typically a telephone caller, to make a selection from a voice menu. The selection is made using phone keypad entries or voice responses. This interaction allows the individual to communicate with the phone system and thus the computer system. The phone system plays pre-recorded voice prompts and the person typically presses a number on a telephone keypad to select the option associated with the voice prompt.

SMS Broadcasting

We provide our customers with sophisticated messaging systems designed to be scalable, fast and highly available.

Integrate SMS into your existing CRM, e-commerce platform or business application and add a custom SMS Gateway, to fulfill their business needs.


Fax Integration

Add reliable, high capacity fax capabilities to your IP Telephony system.

Our fax solution adds core fax processing as well as fax termination and origination functionalities to your IP Telephony that enables building highly-customizable fax solutions. It also provides the functionality to send and receive faxes to / from TDM and IP channels.

Faxes transmitted and received by this solution begin and end as TIFF image files which can be converted to various formats and transmitted through different channels based on the client's preference.