Tata SIP trunk is an IP based PSTN Trunk.

This first step towards convergence in PSTN telephony is going to change the landscape of voice communications in India.
Unlike in traditional telephony, where bundles of physical wires are being delivered from the service provider to a business, a SIP trunk allows a company to: Replace Multiple PRI lines with single physical link scaling from minimum 20 to 1500 voice channels.
Easy maintenance and up-gradation.
Solution highlights
Financial benefits
- Save on CAPEX as no hardware upgrade required on multiple PRI ports
- Low maintenance, reduced administration and overhead costs while increasing efficiency
Operational benefits
- Simplify your network by reducing multiple physical links coming to your office
- Scale up easily as you need for voice channels grows
Tata Teleservices Ltd

Dedicated Internet Leased Line
Tata SIP Trunk
Tata Teleservices Ltd
Tata Teleservices Ltd,
Bangalore
88/26,Thavarekere Main Road, Bengaluru,Karnataka-560029,
Telephone No.09342427054
Telephone No.09342427054
Bangalore
Tata Provides 1:1 Dedicated Optimum internet Leased Line in Bangalore with Symmetrical Bandwidth. Tata SIP Trunk with its best class in IP Solution replaces fixed PSTN lines with Single Physical optical fiber link. This reduces cost of multiple lines as well as hardware requirements for PRI ports. This solution is ideal for multiple issues like scalability, maintenance and convergence.