NexGenVoice Blog – VoIP Insights, Guides & Industry News
NexGenVoice Knowledge Hub

Expert VoIP Guides &
Telecom Insights for 2026

Deep-dive articles on SIP trunking, DID numbers, cloud call centers, and business communication — written by our team of telecom specialists.

82+Expert Articles
2026Always Up to Date
150+Countries Covered
1000+Monthly Readers

Telecom Compliance & Infrastructure Articles

6 articles

Telecom compliance guides covering iconectiv, NPAC number portability, OCN identifiers, STIR/SHAKEN, and FCC regulatory infrastructure for VoIP providers.

What Is an OCN – Operating Company Number Explained for VoIP Providers
Telecom Compliance & Infrastructure

What Is an OCN? Operating Company Number Explained for VoIP Providers

Learn what an OCN is, how Operating Company Numbers work in telecom, and why OCNs matter for VoIP providers, carriers, routing, and compliance.

What Is iconectiv – Telecom Numbering, Routing & STIR/SHAKEN
Telecom Compliance & Infrastructure

What Is iconectiv? A Complete Guide to Telecom Numbering, Routing & STIR/SHAKEN

Learn what iconectiv is, how it supports number portability (NPAC), telecom routing data and STIR/SHAKEN as STI-PA, and why it matters for VoIP providers.

FCC Form 499-A, 499 Filer ID & RMD Explained for VoIP Providers
Telecom Compliance & Infrastructure

FCC Form 499-A, 499 Filer ID & RMD Explained: A Guide for VoIP Providers

Learn what FCC Form 499-A is, how the 499 Filer ID differs from the FCC FRN, what the Robocall Mitigation Database (RMD) requires, and why it matters for VoIP providers.

What Is a STIR/SHAKEN Certificate? A-Level Attestation & Caller ID Authentication Explained
Telecom Compliance & Infrastructure

What Is a STIR/SHAKEN Certificate? A-Level Attestation & Caller ID Authentication Explained

Learn what a STIR/SHAKEN certificate is, how it differs from A-level attestation, what the STI-PA and SPC token do, and how caller-ID authentication works for VoIP providers.

What Is the STIR/SHAKEN Policy Administrator? How iconectiv Manages Telecom Trust
Telecom Compliance & Infrastructure

What Is the STIR/SHAKEN Policy Administrator? How iconectiv Manages Telecom Trust

Learn what the STIR/SHAKEN Policy Administrator (STI-PA) is, how iconectiv operates it, and how STI-GA, SPC tokens and STI-CAs fit into the caller-ID trust framework.

What Is a DC Agent for FCC Form 499-A? Complete Guide for VoIP Providers
Telecom Compliance & Infrastructure

What Is a DC Agent for FCC Form 499-A? Complete Guide for VoIP Providers

Learn what a D.C. Agent for FCC Form 499-A is, who needs one, how it differs from a registered agent, attorney and 499 Filer ID, and how VoIP providers keep it current.

eSIM Articles

1 article

eSIM guides covering data plans, instant QR activation, regional coverage, and how to get online worldwide without roaming fees.

US States DID Number Guides

48 articles

City and state-specific DID number guides for Texas, California, Florida, New York, and more — covering local area codes, SIP trunk setup, and pricing.

SIP Trunking Articles

8 articles

SIP trunking guides covering cost savings, carrier selection, wholesale VoIP, and migrating from legacy phone lines.

VoIP Articles

10 articles

VoIP guides and insights covering reseller plans, softphones, SMS/CRM integration, and how VoIP compares to traditional phone systems.

VICIdial Articles

4 articles

VICIdial guides for open-source call center deployment, predictive dialing, and high-volume campaign management.

Guides & Resources

13 articles

Step-by-step guides on IVR setup, inbound dialers, PBX systems, AI voice agents, and business telephony best practices.

Cloud Call Center Articles

6 articles

Cloud call center guides covering setup walkthroughs, ACD/IVR configuration, and the benefits of moving off on-prem hardware.

DID Number Articles

51 articles

Guides on buying and managing DID numbers, local presence, number porting, and global coverage across 150+ countries.