APIs Call flow industry standards Video 
Spearline
DECEMBER 23, 2021
In the modern world of instant messaging, fast broadband speeds, and direct video conferencing, the last thing anyone wants is to wait. The standard definition of PDD can be defined as: “the time or delay that occurs from the time a number has been dialed, until the caller or called party hears ringing.”
Spearline
AUGUST 13, 2019
In the modern world of instant messaging, fast broadband speeds, and direct video conferencing, the last thing anyone wants is to wait. The standard definition of PDD can be defined as: "the time or delay that occurs from the time a number has been dialed, until the caller or called party hears ringing."
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