Frequently Asked Questions

This page provides answers to frequently asked questions (FAQs) about ProSBC,  FreeSBC and session border controllers in general.

i. Our pricing is subscription-based where we license to a maximum number of concurrent calls (sessions)
ii. We charge $1 USD per session/per SBC instance/per year
iii. The minimum purchase is 500 sessions. You can think of this as $500 for the software with 500 sessions included and $1 USD for each additional session.

TelcoBridges defines a session as a simultaneous VoIP call between two end points including both legs of the call.