Knowledge Hub
Guides for teams that live on the phone
Straight answers on SIP trunking, outbound campaigns, virtual numbers and crypto payments, written by the people who run our network.
Checklist before you launch an outbound calling campaign
Twelve checks to run before an outbound dialer campaign goes live: compliance, caller ID, routes, balance, monitoring and more.
5 min read
- Technical
Codec choice for call centers: G.729 vs G.711 vs Opus
Compare G.729, G.711 and Opus for contact center calling: bandwidth, audio quality, CPU load and when to use each.
6 min read
- Payments
Paying for business calling with USDT: a step-by-step guide
How USDT TRC-20 top-ups work for prepaid VoIP: unique amounts, confirmation times, common mistakes and how to keep finance happy.
6 min read
- Numbers
Setting up a virtual number for a remote sales team
Step-by-step: buy a virtual phone number, route it to your reps on softphones and keep a local presence in every market you sell into.
5 min read
- Quality
Answer rates explained: what ASR and ACD mean for your campaigns
ASR and ACD are the two numbers that tell you whether your outbound routes are healthy. Learn how they are calculated and what good looks like.
6 min read
- Contact centers
How to pick a SIP trunk for a 50-seat call center
A practical guide to sizing channels, choosing codecs and comparing call center SIP trunk providers when you run around fifty agents.
7 min read
Put your next campaign on clearer routes
Open a prepaid account in minutes, fund it with USDT or Bitcoin and start dialing the same day.