TalkTelX
Insights

VoIP Insights & Guides

Practical writing on SIP trunking, TCPA compliance, call routing, and contact-centre operations. Written by the engineers and specialists who run our platform.

Latest Articles

VoIP for BPOs7 min read

How to Choose a US Termination Carrier for Your BPO

Picking a US termination carrier impacts call quality, answer rates and compliance. Here is a practical checklist tailored for BPO and dialer traffic.

TT
TalkTelX
September 15, 2026
VoIP for Call Centers7 min read

How to Choose a SIP Trunk for Call Center Outbound

Looking for a reliable sip trunk for call center outbound? Here’s how to plan capacity, improve answer rates, and stay compliant while controlling costs with TalkTelX.

TT
TalkTelX
September 11, 2026
VoIP Buying Guides7 min read

How to Buy US DID Numbers for Your Call Centre

A practical guide to buy US DID numbers for call centres and VoIP resellers. Learn number types, coverage, compliance, pricing and how to provision at scale.

TT
TalkTelX
September 7, 2026
VoIP Termination8 min read

US call center termination: a buyer’s guide

Choosing US call center termination is about more than the lowest rate. Here’s how to vet carriers for compliance, call quality, caller ID reputation and scale.

TT
TalkTelX
September 3, 2026
Strategy8 min read

Number Health and Spam Labelling: The Hidden Variable in Outbound Performance

Spam Likely labels can silently cut your answer rate in half. Here is how carriers decide to flag your numbers, what you can do about it, and why number health deserves a place in your campaign strategy.

JW
James Whitfield
May 5, 2025
Operations6 min read

How Smart Call Routing Cuts Hold Times and Lifts First-Call Resolution

Moving from round-robin call distribution to skills-based routing is a measurable improvement in agent utilisation, handle times, and customer satisfaction — here is how it works.

MT
Marcus Telford
May 2, 2025
Compliance9 min read

TCPA Compliance in 2025: What Every Outbound Team Must Know

TCPA violations start at $500 per call and can reach $1,500 for wilful infractions. Here is what the law requires, where most teams get it wrong, and how to stay protected.

SO
Sarah Okonkwo
April 28, 2025
Infrastructure7 min read

What Is SIP Trunking? A Plain-English Guide for Contact Centres

SIP trunking replaces legacy phone lines with internet-based voice connections. Here is what that means for your contact centre, and what to look for in a provider.

JW
James Whitfield
April 15, 2025

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