Public Switched Telephone Network Understanding PSTN
The PSTN is the global circuit-switched telephone network. As businesses transition to VoIP and cloud communications, Petronella Technology Group helps Triangle organizations migrate to modern alternatives with better features and lower costs.
Expert Telecom Support
Professional installation, legacy support, and modern migration planning from Petronella.
PSTN to VoIP Migration
Petronella plans and executes complete transitions from PSTN circuit-switched lines to modern VoIP. Lower costs, better features, and greater flexibility.
Number Porting
Keep your existing phone numbers when migrating from PSTN. Petronella coordinates the porting process with carriers to minimize disruption.
SIP Trunk Replacement
Replace expensive PSTN lines with SIP trunks that deliver calls over your internet connection at a fraction of the cost.
Hybrid Solutions
Petronella designs hybrid configurations that maintain PSTN connectivity where needed while migrating primary calling to VoIP.
Questions Answered
What is the PSTN?
The Public Switched Telephone Network is the global circuit-switched network that has connected phone calls for over a century. It is being gradually replaced by IP-based communications.
Why migrate from PSTN?
VoIP delivers lower costs, advanced features, remote worker support, and scalability that PSTN cannot match. Petronella handles the complete migration with zero disruption.
Will we lose our phone numbers?
No. Petronella coordinates number porting from PSTN to your new VoIP platform. Your existing numbers transfer seamlessly.
Can Petronella support our legacy phone system?
Yes. Petronella supports traditional PBX, key systems, analog lines, and PSTN connectivity while you plan your migration.
Explore Petronella Communication Solutions
Plan Your PSTN Migration
Contact Petronella to evaluate your current phone lines and plan a modern transition.