PSTN connectivity

Upgrade your network by moving from one connectivity protocol to another, interconnecting with major carriers and integral PSTN partners, future-proofing your 911 solution, or extending your number porting range.

As a trusted provider, we smoothly deployed the largest and most successful PSTN replacement network in the U.S. — from TDM to IP. We're extraordinarily proficient with network diversity, codecs, VoLTE operations, project management, provisioning, and implementation. 

We have you covered when it comes to seamless access across the U.S. with interconnectivity to a single ubiquitous and robust network. With Sinch PSTN Connect, we save you from the complexity and cost of building or maintaining your own infrastructure all while increasing your service levels to business customers. We also offer a host of feature-rich voice services, which will let you boost your Internet service revenue stream.

Stop maintaining your TDM network and managing multiple carriers to route your long distance or access traffic. We offer greater diversity over conventional access tandems and simplify the migration from traditional switching equipment. Our comprehensive and STIR/SHAKEN-compliant IP voice calling saves you money on transport to RBOC access and local tandems.

We transport all inbound and outbound calls via diverse SIP connections. You'll maintain the carrier benefits of  obtaining numbers directly from the number portability administration center (NPAC) or providing your own local number porting (LNP) and 911 services if desired.