Resources

Notes from the routing desk

Practical guides on buying, measuring and running wholesale voice — written by the engineers who manage our routes.

September 2, 20263 min read
How to choose a voice termination carrier in 2026
A buyer’s checklist for picking a wholesale voice termination provider in 2026: route transparency, quality data, billing model, interconnect options and support.
August 12, 20263 min read
CLI vs non-CLI routes: which one does your traffic need?
The practical difference between CLI and non-CLI (CC) voice routes, how each affects answer rates and cost, and how to split traffic between them on one account.
July 18, 20263 min read
Understanding ASR, ACD and PDD for carrier traffic
How answer-seizure ratio, average call duration and post-dial delay are measured, what patterns between them reveal, and how to use them to diagnose a failing route.
June 24, 20263 min read
SIP trunk setup checklist for call centers
A step-by-step checklist for connecting a call-center dialler or softswitch to a carrier SIP trunk: authentication, codecs, caller ID, capacity and first-call testing.
May 30, 20263 min read
Paying for VoIP termination with USDT TRC-20
How USDT on the TRON network works for topping up a prepaid VoIP account: exact amounts, deposit windows, confirmations and the mistakes to avoid.
April 16, 20263 min read
How to test a new wholesale route before scaling
A repeatable method for trialling a new wholesale voice route: baseline metrics, controlled traffic splits, CLI checks and the go/no-go signals that matter.

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