Tata SIP Trunk

Tata SIP Trunk helps in replacing the traditional fixed PSTN lines with a SIP trunk over and IP based transport network. This connects business-class phone system with a IP based PSTN. It supports up to 1500 voice channels over a single link. The cost of maintenance is low and the reduction of overhead cost is reduced while increasing efficiency.

From traditional TDM technology to IP, from wire line to wireless, from inbound to outbound to CUG dialing, you name it, we have it. Our solutions are built keeping you at the center. We can aid and optimize communication requirements with a scalable, reliable and resilient network that is both secure as well as technology proven.



  • Our solutions are built such that they help bring down overall cost.

  • Technologically advanced digital transmission of voice offer better quality and higher speed.

  • With benefits of wire line and convenience of wireless connectivity, you get what works best for you.

  • Enterprise friendly billing system allows transparency and accuracy.
  • You get ease and convenience of getting voice and data on a single reliable network.

  • Our solutions are designed, keeping in mind your scalability requirements.

  • You get freedom from technology obsolescence sine we take care of all technology upgrades at no additional cost.
Features Standard
Interface Ethernet
Minimum number of channels 20
Direct Inward Dialling (DID) facility Yes
Default DID 20
Direct Outward Dialling (DOD) facility Yes
Same product pooling Yes
Ad-hoc upgrade : channels Yes
Tele marketing number (140) Yes

SIP TRUNK – Features

  • Scalable on a single link with 20 to 1500 simultaneous calls with no dependency on physical cards.

  • Service delivered through Class 5 NGN Switches.
  • Flexible DID range to meet scalability.

  • Terminates on Ethernet port on IP PBX/ devices.


  • We have proven technology with successful deployments and happy customers across India.
  • We offer innovative solutions like SIP Trunk (Scalable on single link) and EVDO Walky (features of calling and surfing)
  • You get access to future ready with IP network based features to help improve productivity and mobility
  • We give you cost efficiency with pay-per use models.
  • We provide around the clock,24×7, service and support

  • We value relationships