Blog
Practical guides on VoIP softswitch technology — routing, billing, monitoring, and security.
GuidesTelecom Industry Concepts: IXC, Softswitch, LCR & Billing
From interexchange carriers and LATAs to softswitches, LCR, and CDRs — the essential telecom industry concepts every VoIP operator should know.
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GuidesWhat Is a Softswitch? A Complete Guide for VoIP Carriers (2026)
What a softswitch is, how it works, Class 4 vs Class 5, the features that matter, and how to choose the right VoIP softswitch in 2026.
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GuidesClass 4 vs Class 5 Softswitch: What’s the Difference?
Wholesale transit vs retail subscriber services — how Class 4 and Class 5 softswitches differ and when operators need both.
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GuidesLCR Routing Explained: How VoIP Carriers Maximize Margin
How LCR picks termination routes on a softswitch, what data you need, and how to protect margin without sacrificing ASR.
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GuidesVoIP Billing on a Softswitch: Prepaid, Postpaid & Real-Time CDR
CDR-based billing, prepaid and postpaid models, rate management, and the reports carriers need on a VoIP softswitch.
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GuidesVoIP Fraud Prevention on a Softswitch: SIP Security & FAS
Toll fraud, FAS, and SIP attacks — how to limit losses with routing controls, blacklists, monitoring, and route testing.
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