Imagine never missing a business call again. SIP Trunk delivers 99.5% uptime with auto-failover, so your business stays connected when it matters most.
Trusted by India's Leading Enterprises
Food Delivery
B2B Trading
Cloud Telephony
Voice Technology
Auto Components
MarTech Agency
Biotech Solutions
Food Delivery
B2B Trading
Cloud Telephony
Every day, businesses lose opportunities due to outdated voice infrastructure. Here's what might be holding you back:
"It's 3 PM on a Monday. A high-value customer tries to reach your sales team. The line is busy. They call your competitor instead. You never knew they existed."
"Your PRI line goes down at 4 PM Friday. The telco says Monday morning for a fix. 48 hours of complete communication blackout. Support tickets pile up."
"Festival season brings 3x call volume. You desperately need more lines. The process takes 45 days. By the time setup completes, the season is over."
"Your CFO reviews telecom costs: PRI rental, PBX maintenance, physical infrastructure, redundant systems. The bill keeps growing while agility stays the same."
A voice solution that scales instantly, never fails, costs 40% less, and gives you complete control...
The Voice Solution That Transforms Communication Chaos Into Competitive Advantage
SIP Trunk replaces outdated PSTN infrastructure with smart, IP-based voice over internet. No more physical constraints. No more waiting weeks for capacity. No more single points of failure.
Hover over each card to discover how SIP Trunk solves real business challenges
It's Diwali week. Your call volume triples. With Channel on Demand, you scale from 200 to 600 channels in minutes. When the season ends, scale back down. Pay only for what you use, when you use it.
A fiber cut disrupts your primary connection. Your customers don't notice. Auto-failover instantly routes all calls through the backup link. Your team keeps working. Your business stays online.
Your SIP Monitoring Portal (UT Star) tracks every call attempt, utilization rates, and performance metrics in real-time. Spot issues before they impact customers. Make data-driven capacity decisions.
Start with 20 channels for your small contact center. As you grow, add capacity in multiples of 10βall on the same link. No new hardware. No new connections. Just seamless expansion to 1500 channels.
Run separate campaigns or departments on one trunk. Configure up to 10 pilot numbers with independent tracking and billing. Sales, support, marketingβall managed efficiently from a single infrastructure.
Using Cisco, Avaya, Asterisk, or any other PBX? SIP Trunk integrates seamlessly. Don't throw away your existing investment. Upgrade your connectivity while keeping everything else the same.
Real advantages that impact your bottom line
Eliminate PRI rentals, reduce maintenance, and leverage per-second billing. Most customers save 40% on voice costs within the first year.
Add or remove channels in minutes, not months. Perfect for seasonal businesses, campaigns, or rapid growth scenarios.
Automatic failover ensures 99.5% uptime. Your business never stops, even when infrastructure fails.
Works seamlessly with Cisco, Avaya, Asterisk, and all major PBX systems. Zero disruption to existing operations.
Real-time monitoring portal tracks usage, performance, and costs. Make informed decisions with live data.
IP-based architecture that evolves with your business. No hardware obsolescence or forced upgrades.
Real scenarios from real businesses
A 500-seat contact center wins a 3-month high-volume campaign requiring 800 simultaneous calls. Traditional PRI would take 6 weeks to provisionβcampaign would be over.
Regional bank needed call recording for regulatory compliance, business continuity for 24/7 operations, and flexibility for branch expansionβall while reducing costs.
Marketing agency running multiple client campaigns with wildly varying call volumes. Needed separate tracking per campaign, rapid provisioning, and cost control.
Real results from real enterprises
TTBS SIP Trunk has been instrumental in modernizing our contact center infrastructure. The dual last mile redundancy and Channel on Demand features have given us the reliability and flexibility we need for our high-volume food delivery operations.
The flexibility to scale our voice capacity up and down based on campaign requirements has transformed our operations. Auto-failover ensures we never miss critical business calls. Outstanding reliability and cost savings.
Seamless PBX integration with our existing Cisco infrastructure was crucial. SIP Trunk delivered that along with exceptional monitoring capabilities and support. Our voice operations have never been more reliable.
We unified all our cloud communication channels with SIP Trunk. The IZO integration and scalability have enabled us to serve our multilingual voice technology customers without any infrastructure limitations.
Everything you need to know about SIP Trunk
SIP Trunk works seamlessly with all major PBX systems including Cisco, Avaya, Asterisk, and others. Our team configures the SIP trunking parameters to match your PBX specifications. Most integrations are completed within 24-48 hours with zero disruption to your existing operations. We also offer optional PBX bundling if you're looking to upgrade your entire infrastructure.
With Channel on Demand (COD), you can scale up or down in minutes. Simply request additional capacity through our portal or account manager. Changes typically take effect within 2-4 hours. You can upgrade in multiples of 10 channels for periods ranging from 30 to 365 days. No lengthy approval processes or hardware installations required.
SIP Trunk includes dual last mile redundancy and automatic failover. If your primary internet connection fails, all calls instantly route through the backup connection with zero manual intervention. This architecture ensures our industry-leading 99.5% uptime SLA. Your customers never experience downtime, even during infrastructure failures.
Most customers save 40% on their voice costs when migrating from PRI to SIP Trunk. Savings come from: elimination of PRI line rentals, reduced hardware maintenance costs, per-second billing (vs. per-minute), and flexible capacity that you only pay for when you use it. Plus, no upfront capital expenditure for additional lines.
Yes! Our SIP Monitoring Portal (UT Star) provides real-time visibility into all your voice operations. Track channel utilization, call attempts, success rates, average call duration (ACD), post-dial delay, and more. The portal offers customizable dashboards, alerts, and detailed reporting for informed decision-making.
Absolutely. You can configure up to 10 pilot numbers on a single SIP Trunk, each with independent usage tracking and billing separation. Perfect for multi-department operations or running separate campaigns. Additionally, each trunk comes with 100 free DIDs (Direct Inward Dialing numbers) for inbound call routing.
SIP Trunk scales from a minimum of 20 channels to a maximum of 1500 channels on a single link. You can start small and grow as your business expands. Channel upgrades happen in multiples of 10, giving you precise control over your capacity and costs. For needs beyond 1500 channels, we can provision multiple trunks.
Standard SIP Trunk implementation takes 3-5 business days from order confirmation. This includes provisioning, configuration, PBX integration testing, and go-live support. For complex deployments or multi-location setups, the timeline may extend to 7-10 days. Our team manages the entire process with minimal disruption to your operations.
Join 1,500+ enterprises that trust SIP Trunk for reliable, scalable, cost-effective voice communications. See why we hold 70% of India's SIP market.