SIP Trunking
SmartVoice SIP Trunking sends the voice traffic from your existing business phone system over the same connection you use for data. Cost-effective VoIP SIP trunks.
SmartVoice brings together your data, voice, and Internet over your IP connection. SIP trunking eliminates the need for separate access for voice, so can you can eliminate the costs of maintaining separate circuits.
You’ll also get VoIP features such as bundled usage, extension dialing between sites, and support for remote users. Dynamic bandwidth allocation adjusts between voice and data as your employees’ calling patterns fluctuate.
With SmartVoice SIP Trunking you’ll gain all the advantages and features of a converged network, without the cost and hassle of replacing a PBX that has not reached its end-of-life. You’ll improve network capacity, increase productivity, and reduce costs.
Case studies and success stories
What customers are saying about Managed Services from TPx
How SmartVoice Works
We deliver SmartVoice over our own private IP network to give you secure, guaranteed performance. Our flexible connection options provide virtually unlimited bandwidth to support both traditional telephony equipment and next-generation IP PBXs.

Features and Benefits
Network and Voice Quality
SmartVoice SIP Trunking delivers dynamically integrated, high-capacity access to an advanced SIP network provided by a TPx-managed gateway with a 100% uptime SLA.
Voice Usage
You’ll gain free extension dialing between SmartVoice locations, unlimited Local and IntraLATA calling, and flexible long distance plans with generous usage.
DID Features
With SmartVoice SIP Trunking you’ll gain advanced features like call forwarding, do not disturb, simultaneous ring, and much more. Pick-and-choose features for the numbers you designate, or add the complete set to all of the numbers on your SmartVoice service.
Mobile Identity
Our Mobile Identity app for Android and iPhone allows you to always be available, regardless of your location. Callers dial your SmartVoice number and can reach you on your mobile or desk phone. You can seamlessly move calls between these devices.
Administrator and End-User Portal
With the SmartVoice portal, your administrators can view and control features assigned to their locations. They can also view and manage end user features as needed. End users can view and control selected features for their service.
National Presence
Geographic numbers eliminate long distance charges and help you grow in new markets.
Powerful Reporting
SmartVoice Traffic Studies provide valuable insight on how voice services are being used within your organization.
Bring Your Own Bandwidth
Get SmartVoice solutions coast-to-coast, wherever there’s a broadband connection. With SD-WAN, you can mix-and-match any type of transport and gain active/active continuity.
Network and Voice Quality
SmartVoice SIP Trunking delivers dynamically integrated, high-capacity access to an advanced SIP network provided by a TPx-managed gateway with a 100% uptime SLA.
Voice Usage
You’ll gain free extension dialing between SmartVoice locations, unlimited Local and IntraLATA calling, and flexible long distance plans with generous usage.
DID Features
With SmartVoice SIP Trunking you’ll gain advanced features like call forwarding, do not disturb, simultaneous ring, and much more. Pick-and-choose features for the numbers you designate, or add the complete set to all of the numbers on your SmartVoice service.
Mobile Identity
Our Mobile Identity app for Android and iPhone allows you to always be available, regardless of your location. Callers dial your SmartVoice number and can reach you on your mobile or desk phone. You can seamlessly move calls between these devices.
Administrator and End-User Portal
With the SmartVoice portal, your administrators can view and control features assigned to their locations. They can also view and manage end user features as needed. End users can view and control selected features for their service.
National Presence
Geographic numbers eliminate long distance charges and help you grow in new markets.
Powerful Reporting
SmartVoice Traffic Studies provide valuable insight on how voice services are being used within your organization.
Bring Your Own Bandwidth
Get SmartVoice solutions coast-to-coast, wherever there’s a broadband connection. With SD-WAN, you can mix-and-match any type of transport and gain active/active continuity.
Learn More About SmartVoice SIP Trunking
Ready to learn more? Connect with a TPx expert to create your customized SmartVoice SIP Trunking solution.