Tata SIP (Session Initiation Protocol) Trunking solution, Service and Connection Provider in Bangalore and Chennai for Price/Cost Tariff Plans Call: 9739091119

Tata SIP Trunk Service is an enterprise-grade IP voice solution from Tata Tele Business Services (TTBS) that enables organizations to connect their IP-PBX systems to the public telephone network using a single IP connection. It replaces multiple traditional PRI/PSTN lines with a scalable SIP-based architecture, supporting voice, video, and unified communications over the same network.
What is Tata SIP Trunk?
SIP (Session Initiation Protocol) Trunk is a VoIP technology that establishes communication sessions between an enterprise PBX and the telecom network through IP connectivity. Tata SIP Trunk allows businesses to consolidate voice infrastructure, reduce telecom costs, and scale call capacity without installing additional physical lines.
Key Features of Tata SIP Trunk
- Supports 20 to 1,500 simultaneous calls through a single IP connection.
- Replaces multiple PRI and PSTN circuits.
- 99.5% SLA-backed uptime for business continuity.
- Dual last-mile auto-failover for redundancy.
- Channel-on-Demand scalability.
- Real-time SIP monitoring and management.
- Flexible DID (Direct Inward Dialing) number allocation.
- HD Voice Quality using industry-standard codecs.
- Seamless integration with IP-PBX, Unified Communications, and Contact Center platforms.
Benefits of Tata SIP Trunk Service
1. Lower Telecom Costs
Organizations can eliminate multiple PRI ports and fixed PSTN lines by using a single SIP connection, reducing infrastructure and maintenance costs.
2. Scalability on Demand
Businesses can increase or decrease channels based on requirements without installing additional hardware. TTBS offers Channel-on-Demand functionality for flexible capacity management.
3. Business Continuity
Automatic failover and SLA-backed infrastructure help maintain uninterrupted communications during network issues.
4. Centralized Communications
Multiple locations can utilize a centralized SIP platform, simplifying voice infrastructure management.
5. Future-Ready Infrastructure
SIP Trunk supports voice, video conferencing, messaging, and unified communications through IP networks.
Technical Specifications
| Feature | Specification |
|---|---|
| Technology | SIP (Session Initiation Protocol) |
| Connectivity | IP-Based |
| Simultaneous Calls | 20 – 1,500 |
| Voice Quality | HD Voice |
| PBX Support | IP-PBX, UC Platforms |
| DID Support | Yes |
| Failover Support | Dual Last Mile |
| SLA Availability | 99.5% |
| Monitoring | Real-Time SIP Monitoring |
Ideal Industries
- BPO & Call Centers
- IT & ITES Companies
- Banking & Financial Services
- Healthcare Organizations
- Manufacturing Enterprises
- E-Commerce Companies
- Educational Institutions
- Multi-Location Enterprises
Tata SIP Trunk vs PRI
| Parameter | SIP Trunk | PRI Line |
|---|---|---|
| Technology | IP-Based | ISDN E1 |
| Scalability | Up to 1,500 Calls | 30 Calls per PRI |
| Infrastructure | Single IP Link | Dedicated Physical Circuit |
| Expansion | Software-Based | Hardware-Based |
| Cost Efficiency | High | Moderate |
| Multi-site Support | Excellent | Limited |
What is Tata SIP Trunk?
A VoIP-based voice connectivity solution that links an IP-PBX to the public telephone network through SIP technology.
How many concurrent calls does Tata SIP Trunk support?
TTBS SIP Trunk supports between 20 and 1,500 simultaneous calls through a single IP connection.
Can Tata SIP Trunk replace PRI lines?
Yes. SIP Trunk can replace multiple PRI and PSTN lines while providing greater scalability and flexibility.
Does SIP Trunk work with existing IP-PBX systems?
Yes. Tata SIP Trunk integrates with most SIP-compatible IP-PBX and Unified Communication platforms.
Tata SIP Trunk Solution and Service Price, Cost & Tariff Plans (2026)
Tata SIP Trunk is an IP-based enterprise voice solution that enables organizations to connect their IP-PBX systems to the public telephone network through a single SIP connection. It supports 20 to 1,500 simultaneous calls, offers 99.5% SLA-backed uptime, Channel-on-Demand scalability, and business continuity features.
Tata SIP Trunk Tariff Plans
The following plans are published by Tata Tele Business Services (TTBS) and are suitable for businesses requiring SIP-based voice connectivity.
| SIP Plan | Monthly Rental | Free Call Value | Local Mobile Rate | STD Rate |
|---|---|---|---|---|
| SIP 250 | ₹250 | ₹250 | ₹0.80/min | ₹0.80/min |
| SIP 350 | ₹350 | ₹350 | ₹0.70/min | ₹0.70/min |
| SIP 500 | ₹500 | ₹500 | ₹0.50/min | ₹0.50/min |
| SIP 700 | ₹700 | ₹700 | ₹0.30/min | ₹0.50/min |
| SIP 500 UL | ₹500 | Unlimited* | ₹0.12/min | ₹0.12/min |
| SIP 850 UL | ₹850 | Unlimited* | ₹0.00/min | ₹0.00/min |
*Fair Usage Policy may apply. ILD charges are additional.
Outbound Dialing (OBD) SIP Plans
| OBD Plan | Monthly Rental | Free Call Value | Call Charges |
|---|---|---|---|
| SIP 500 OBD | ₹500 | ₹500 | ₹0.15 / 15 sec |
| SIP 750 OBD | ₹750 | ₹750 | ₹0.12 / 15 sec |
Enterprise SIP Trunk Cost (Indicative)
Enterprise SIP Trunk deployments are typically customized based on:
- Number of concurrent channels
- DID requirements
- Geographic coverage
- Redundancy requirements
- Call volume commitments
- Existing PBX infrastructure
Indicative market pricing for business SIP trunks in India starts around ₹3,000–₹7,500 per month for small deployments and can exceed ₹18,000–₹20,000 per month for 30-channel enterprise configurations. Actual TTBS commercial quotations vary by location and business requirements.
Benefits of Tata SIP Trunk
Reduced Telecom Costs
SIP Trunk can reduce communication costs by consolidating multiple PRI and PSTN lines into a single IP-based platform.
Easy Scalability
Organizations can add or remove channels without installing additional physical telecom circuits.
Business Continuity
Dual-link redundancy and automatic failover help maintain uninterrupted communications.
Multi-Location Connectivity
Ideal for enterprises operating across multiple offices and branch locations.
What is the starting price of Tata SIP Trunk?
Published SIP plans start from ₹250 per month, while enterprise SIP trunk deployments are customized according to channel requirements and business usage.
How many concurrent calls can Tata SIP Trunk support?
TTBS SIP Trunk supports between 20 and 1,500 simultaneous calls.
Can Tata SIP Trunk replace PRI lines?
Yes. SIP Trunk can replace multiple PRI circuits while providing greater flexibility and scalability.
Does Tata SIP Trunk support existing IP-PBX systems?
Yes. It integrates with SIP-compatible IP-PBX, Unified Communications, and Contact Center platforms.