Our industry first SLA backed Session Initiation Protocol Trunk is an advanced Voice Connectivity product, with the best in class IP solution. It replaces traditional multiple fixed PSTN lines with a single physical link that can support upto 1500 simultaneous calls. Scaling up and down call capacity on our SIP Trunk is very easy, quick and can be done in multiples of 10 channels. Our SIP Trunk reduces the cost of multiple lines, maintenance, as well as hardware requirements for multiple PRI ports.

Using our IP converters that come bundled with SIP Solution,
PRI customers can now upgrade to SIP.

Key USPs:

• Customers with existing PRI setups can continue with their legacy infra & still enjoy the benefits of SIP trunking
• No additional CAPEX required
• Available with Rs. 350-and-above GC plans
• Additional amount if any to be collected as OTC

SIP Trunk Advantages:

Easy and quick scalability Scalable on a single link with 20 to 1500 simultaneous calls	Simplifies network Replaces traditional multiple fixed PSTN lines with a single link SIP trunk connectivity
Smaller Upgrades & Downgrades Increase & decrease call capacity in multiples of 10, rather than 30 in PRI	Flexible Range Flexible DID range to meet scalability requirements

SIP Trunk Features:

Details	Standard
Interface	Ethernet
Minimum number of channels	30
Direct Inward Dialing (DID) facility
Default DID	Equal to number of channels
Direct Outward Dialing (DOD) facility
Closed user group facility
Dual last mile
On request channel upgrade / downgrade
Service Delivery	Class 5 NGN Switches
Tele marketing number	140

SIP Trunk Testimonial:

“We are associated with Tata Teleservices for over 10 years” -Prakash Kudalkar (Hinduja Global Solution Pvt Ltd)

“Our business is running without any issue after migrating to TATA” -Ramana Gayam (Dell Inc)

“We wish to put on record your Quality service and ownership, which is much appreciated” -Lakshmikumar K (Aditya Birla Retail Limited)

“We treat Tata Teleservices as our primary service provider for all telecom related solutions” -Giridhar VB (Minacs Pvt. Limited)

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