VOIP (Voice over Internet Protocol)
VOIP (Voice over Internet Protocol) is a protocol used for voice calling over an IP network like Internet. Zealous System develops VOIP system in Python using Asterisk framework.

VOIP Systems Development


Service Offerings:-
  • Voice Calling Application
  • Chat Application
  • VOIP Tracking
  • Security Purpose
  • VOIP Password Cracker

VOIP (Voice over Internet Protocol) is a protocol used for voice calling over an IP netwrok like Internet. VOIP system in Python can be developed using Asterisk framework and PJSUA Module.

Asterisk is an open source telephony switching and private branch exchange service for developing scalable and secure VOIP system. Asterisk provides features like voicemail, conference calling, interactive voice response and automatic call distribution.


PJSUA is Python Module for PJSUA API. It provides high level API for developing applications for VOIP.
It provides features like:-

  • Support multiple transport instances like UDP, TCP and TLS transport
  • Creating and starting new SIP transport
  • Registering transport created by application
  • Retrieve detail information about transport
  • Provides identity of user using application
  • Supports creating and managing multiple accounts
  • Call management like call information, maximum no. of calls etc
  • Buddies management like maximum no. of buddies in buddy list, buddy's status, total no. of buddies, detail information of each buddy, add and delete buddy in buddy list etc
  • Enable/disable buddy's presence monitoring
  • Send instant messaging
  • Provides multimedia features like local conferencing, file streaming, local playback and voice recording
  • Instant messaging

Case Study



GPS tracking and Viewpoint python script, for farming and seed management
Technology  Python Django framework

Project was completed on time

Mr. Gerard Shaw
CEO Listo ltd


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