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Stay Always Connected with TTBS SIP Trunk

TTBS SIP Trunk ensures your business never misses a call, opportunity, or connection. Replace outdated PSTN lines with a single, intelligent IP link that supports between 20 and 1,500 simultaneous calls. With SLA-backed uptime, automatic failover, and real-time monitoring, TTBS SIP Trunk gives you the confidence to scale, serve, and grow without communication disruptions.

Modernize, Simplify, and Future-Proof Your Voice Communication

Designed for dynamic enterprises, TTBS SIP Trunk offers seamless scalability, dual last mile redundancy, high-definition voice, and agile channel management. Manage your voice needs from a single dashboard and empower your teams with secure, resilient, and efficient communication — ready for the demands of modern work.

Why Businesses Trust TTBS SIP Trunk

Discover how TTBS SIP Trunk helps you build a smarter, more resilient voice communication network.

Everything You Need for Reliable, Scalable Communication

Single IP Link Scalability

Manage up to 1,500 simultaneous calls easily.

99.5% SLA-Backed Uptime

Stay available to customers at all times.

Dual Last Mile Auto-Failover

Ensure business continuity even during outages.

Channel-on-Demand

Add or remove channels as per business needs.

Real-Time SIP Monitoring

Gain visibility and control over usage.

Flexible DID Blocks

Start with 100 DIDs and expand as you grow.

HD Voice Quality

Clear, uninterrupted conversations using G.711 codec.

Seamless Integration

Works with existing PBX and UC platforms.

See all Features & Benefits

Download Brochure

Uninterrupted Communication, Unlimited Growth Potential

Always-On Connectivity

Maintain 24x7 voice access with redundant design.

Future-Ready Scalability:

Scale from 20 to 1,500 channels effortlessly.

Simplified Voice Management

Replace complex legacy systems with smart IP-based links.

Lower Infrastructure Costs

Reduce hardware and maintenance expenses.

Swift Turnarounds

Scale call capacity instantly for projects and events.

Secure and Compliant

Ensure safe, standards-aligned voice communication.

Operational Resilience

Rely on TTBS-certified support and proactive monitoring.

Choose from a range of plans which suit you best.

SIP 250 Plan

  • Monthly rental - ₹250
  • Free call value - ₹250 for local + STD calls
  • Local mobile call rate - ₹0.8/60 sec
  • Local fixed call rate - ₹0.8/180 sec
  • STD call rate - ₹0.8/60 sec
  • ILD - Standard call rates apply

SIP 350 Plan

  • Monthly rental - ₹350
  • Free call value - ₹350 for local + STD calls
  • Local mobile call rates - ₹0.7/60 sec
  • Local fixed call rates - ₹0.7/180 sec
  • STD call rates - ₹0.7/60 sec
  • ILD - Standard call rates apply

SIP 500 Plan

  • Monthly rental - ₹500
  • Free call value - ₹500 for local + STD calls
  • Local mobile call rates - ₹0.5/60 sec
  • Local fixed call rates - ₹0.5/180 sec
  • STD call rates - ₹0.5/60 sec
  • ILD - Standard call rates apply

SIP 700 Plan

  • Monthly rental - ₹700
  • Free call value - ₹700 for local + STD + ILD calls
  • Local mobile call rates - ₹0.3/60 sec
  • Local fixed call rates - ₹0.5/180 sec
  • STD call rates - ₹0.5/60 sec
  • ILD - Standard call rates apply

SIP 500 OBD Plan

  • Monthly rental - ₹500
  • Free call value - ₹500 for local + STD calls
  • Local mobile call rates - ₹0.15/15 sec
  • Local fixed call rates - ₹0.15/15 sec
  • STD call rates - ₹0.15/15 sec
  • ILD - Standard call rates apply

SIP 750 OBD Plan

  • Monthly rental - ₹750
  • Free call value - ₹750 for local + STD calls
  • Local mobile call rates - ₹0.12/15 sec
  • Local fixed call rates - ₹0.12/15 sec
  • STD call rates - ₹0.12/15 sec
  • ILD - Standard call rates apply

SIP 500 UL Plan

  • Monthly rental - ₹500
  • Free call value - unlimited* with fair usage policy
  • Local mobile call rates - ₹0.12/60 sec
  • Local fixed call rates - ₹0.12/60 sec
  • STD call rates - ₹0.12/60 sec
  • ILD - Standard call rates apply

SIP 850 UL Plan

  • Monthly rental - ₹850
  • Free call value - unlimited* with fair usage policy
  • Local mobile call rates - ₹0/60 sec
  • Local fixed call rates - ₹0/60 sec
  • STD call rates - ₹0/60 sec
  • ILD - Standard call rates apply

We're committed to your success! Here's what our customers have to say...

Pratik Patel

Owner and Founder | Voice ETC

“We are handling daily about 10,000 calls. Thanks to TTBS.”

N K Sinha

Founder-Director, Cube Software Private Limited

“TTBS Voice Services has helped us grow faster and the service is excellent”

Dushyant Rautela

Business Head, Sincetele Infosolutions Pvt. Ltd.

“Seamless services, no worries, and best possible support

Mahesh Khiwal

Vice President, Client Servicing and Sales, MIST IT Services

“Provides reliable and uninterrupted services, best-in-the market”

Rohan Patil

Senior IT Manager, Hansa Cequity Research Pvt. Ltd.

“Excellent connectivity, process servicing, and zero-downtime”

Anand Krishnan

Company Representative, NTALK GLOBAL CONNECT PVT. LTD.

“TTBS provides us lightning-fast support and their speed of resolution is the best amongst other operators.”

Yogesh Tahiliani

Owner, Loksuvidha Finance Pvt. Ltd.

“TTBS helped us streamline our processes, zero down-time connectivity and supported our digital aspirations”

Find your answers right here.

What is TTBS SIP Trunk?

A future-ready IP-based voice solution replacing legacy PSTN lines with a single scalable link.

How many calls can one SIP Trunk link handle?

From 20 to 1500 simultaneous calls on a single link.

How does TTBS ensure uptime?

With 99.5% SLA-backed uptime, dual last mile redundancy, and proactive monitoring.

Can I scale call capacity for short-term campaigns?

Yes. With channel-on-demand, you can easily scale up or down.

Does SIP Trunk support DID numbers?

Yes, 100 free DIDs are included, with flexible expansion options.

Is TTBS SIP Trunk secure?

Yes, with encryption, fraud protection, and compliance with industry standards.

Can existing PRI lines be converted?

No direct migration; a new SIP Trunk order is required.

Which locations are covered?

Available across all NGN circles, including Delhi, Mumbai, Karnataka, among others.