VoIP

SIP 603 Blocked Calls: What Insurance Agencies Must Know

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SIP 603 Blocked Calls: What Health Insurance Call Centers Need to Know About the FCC’s New 603+ Standard Published: March 2026 Your agents are dialing. The calls aren’t connecting. And nobody knows why. Sound familiar? If your team is running outbound call campaigns, there’s a good chance SIP 603 blocked calls are quietly eating into […]

The Telephony Network as a Multi-Leg Relay Race

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The Telephony Network as a Multi-Leg Relay Race by Alexander Conroy Understanding why certain call information, like the presence of a third party, is invisible to a downstream carrier requires viewing the telephone network as a high-stakes, multi-leg relay race.In this model, each carrier, platform, or even an internal enterprise phone system represents a runner […]