SIP Trunking / VoIP

Consolidate Voice & Data With Business Class SIP Trunking

Bring together your data, voice, and Internet over your IP connection to improve network capacity, increase productivity, and reduce costs.

SIP Trunks are significantly less expensive than traditional analog lines and PRIs.

Benefits of SIP Trunking

Reduced Costs
National Coverage
Quick Trunk Additions

Centralized Network

Flexible Communications
Device Controls
Unlimited Usage Plans

Secure Online Portal

Scalable Phone System
E911 Support
Disaster Recovery

24/7/365 monitoring

Norstar’s SIP trunking services include local dial tone, DIDs, long distance and toll free services.

Nationwide SIP Provider

  • Keep your existing hardware.
  • Save up to 50% on your phone service costs.
  • One IP connection for Internet and voice.
  • Increased Security.
  • Reliable service uptime.
  • Failover, redundancy and recovery strategies to meet your business needs.
  • Advanced security to keep your data private and protected from breaches and toll fraud.
  • Prioritizes voice traffic bandwidth on demand.
  • High reliability: 99.999% uptime service level agreement (SLA).
  • Keep your existing phone system and numbers.
  • 24/7/365 US based Support.
  • Instant Provisioning – We can offer instant provisioning of trunks, DIDs and toll-free numbers.
  • Only pay for what you use.
  • Seasonal Demands – You have the ability to expand and contract your system to meet your peak times of year.
  • Ideal for multi-sites.
  • No more technology obsolescence.
  • Scale up or down based on your business needs – pay for only what’s needed.
  • QoS ensures reliable real-time communications.
  • Gain access to local, international and toll-free phone numbers in North America and over 60 countries.
  • In an emergency, power outage, or other unexpected event SIP trunks can be rerouted to alternate locations so that business can continue as usual.

SIP Trunks provide the quality and reliability of traditional phone lines. Only, at a fraction of the cost. With SIP Trunking, your existing phone system is able to deliver calls via your internet connection. You don’t need to pay for expensive PSTN or ISDN lines. Reliable – Best-of-breed technology and support that allows for high availability and uptimes (99.999%) for our customers.

Get Unlimited Local Calling $9.95/Mo.

Rate plan with unbeatable long-distance rates. $.012/min.

You’ll gain free extension dialing between office locations, unlimited Local and IntraLATA calling.


Get Unlimited Calls To US & Canada $19.95/Mo.

99.999% Uptime SIP Trunk

Ensure call completion in the event of an outage on your network.

You’ll gain free extension dialing between office locations. Unlimited Local and Long distance calling to US & Canada.

You can easily add, remove or port numbers, or even move office with No hassle. Our SIP trunking connects your calls, in a reliable, secure manner.

Reduce Costs

Dramatically Decrease the Cost of Your Business Communications.

SIP Trunks eliminate the need for separate voice and data circuits. You’ll experience immediate savings by having all your traffic on a single connection.

SIP Trunks allow you to eliminate costly PRI trunks and reap the benefits of converging your local and long distance onto a single circuit. We have lowest rates in the industry and with our flexible pricing, you’ll only pay for what you actually use.

Free Installation & Equipment 30-Day Guarantee.

You’ll gain free extension dialing between office locations, unlimited Local and Long distance calling to US & Canada.

  • Simple and quick provisioning and administration.
  • Our Enterprise SIP Trunking can be provisioned in real time, installed and turned up remotely, and it happens in days, not weeks.
  • Our encryption keeps your network and data safe and sound.
  • Continuity – keep your current phone numbers.
  • Add new locations, telephone numbers, and adopt new technologies via secure online portal.
  • Call bursting lets you instantly and temporarily expand capacity for busy times.
  • Secure, robust business continuity and disaster recovery capabilities.
  • Network-Based Redundancy – Gain redundancy should an outage occur with DNS-based SIP Trunk registration.
  • National and International local business presence with numbers from 50+ countries & 3000+ cities.

Nationwide SIP Provider

Norstar offers your business the ultimate IP hone technology. More features, great quality and lower cost.

  • Call Forward Not Reachable
  • On Demand Bursting
  • Caller ID Name (CNAM)
  • Direct Inward Dial (DID)
  • Direct Outward Dial
  • Destination Unreachable
  • Multi Site Load Balancing
  • Call Details Records (CDR)
  • International Calling
  • Failover/Overflow
  • Sip Encryption to & from the device

More Features

  • US and Canada phone numbers (DIDs).
  • Simple, Fast Deployment.
  • Increased Security.
  • High reliability with a 99.999% uptime reliability guarantee.
  • SIP trunks can dynamically be purchased one at a time, this allows businesses to scale as demand dictates.
  • Burst ability and capacity increase on the fly.
  • Tier-1, Redundant Network.
  • Cut your connection costs and save up to 70%.
  • Enjoy immediate monetary advantages, while transitioning to VoIP.
  • Eliminates duplicate costs.
  • US, Canada & International toll free.
  • SIP Encryption to and from the device to our secure network.
  • 24/7/365 monitoring of our network for fraud and security.
  • Domestic & International DID coverage.
  • No-cost inter-office calling between office locations. On-network calls are free.
  • Network-based redundancy, provides failover should an outage occur on our network.
  • E911 service for all US and Canada numbers.
  • Secure online portal.
  • Automatic failover to IP or phone number provided.
  • SIP allows for real time adding or removing of capacity to ensure you are only paying for the services you need.
  • Scalability- Purchase the number of concurrent call session increments needed. Scale up as you grow.
  • Burstable SIP Trunking on demand – Exceeds a trunk group’s pre-defined capacity, allowing a site to handle additional calls.
  • Geographic numbers eliminate long distance charges and help you grow in new markets.
  • Enhanced caller ID and reporting.
  • A single point of contact for technical help.
  • Advanced management tools.
  • Secure, robust business continuity and disaster recovery capabilities.
  • Flexible access methods.
  • Emergency services options are included for end-user service locations.
  • 24/7/365 monitoring with proactive technical support.
  • Certified Team of Network Engineers in SIP Trunking Technology

SIP Trunks provide for the consolidation of voice and data traffic onto one circuit, eliminating the need for multiple lines or circuits.

SIP-Trunking is the best and most common method for connecting your IP-enabled PBX to the public telephone system via your broadband connection, eliminating the need for traditional phone service.

  • Reduce costs with optimized trunking capacity across your organization.
  • Streamline communications by contracting with fewer networks and phone carriers.
  • Simplify management with reduced admin and support costs.
  • 99.999% Uptime, industry-leading reliability and system uptime.
  • 24/7 Support, Our US based Support Team is standing by 24/7/365.
  • Increase the reliability of services by providing a level of redundancy with Norstar SIP Trunking, various call forwarding options will keep your business running even in case of an emergency.