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Priyanka1d ago • 3 min read
How Voice AI handles DTMF: the complete guide (RFC 2833 vs SIP INFO vs in-band)
DTMF is one of the most overlooked configuration details in Voice AI deployments. It only becomes...
#voip#sip#webdev#ai
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Dialphone Limited6d ago • 3 min read
SIP Trunking Explained: What It Is, How It Works, and Who Needs It
SIP trunking is one of those terms that gets thrown around in telecom conversations without anyone.....
#voip#sip#telecom#tutorial
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Dialphone Limited6d ago • 3 min read
The SIP Packet Capture That Saved a $2M Deal
A Fortune 500 prospect was about to sign a $2M annual VoIP contract. During the proof of concept, 30...
#voip#debugging#sip#networking
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Dialphone Limited6d ago • 3 min read
Comparing SIP Providers: What the Spec Sheets Don't Tell You
I have evaluated over 30 SIP trunk providers for enterprise clients. The spec sheets all look the...
#voip#telecom#sip#comparison
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Dialphone Limited2d ago • 4 min read
The Real Cost of SIP Trunks in the UK 2026, Per-Channel vs Concurrent Call Models Explained
Honestly, SIP trunk pricing in the UK is one of the most confused conversations I have with...
#voip#sip#pricing#uk
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