APIs Call flow industry standards Telecommunications 
Spearline
DECEMBER 23, 2021
.” Bandwidth , a leading US carrier who offers communication APIs that allow companies to embed voice calling and messaging capability into their applications, says that “PDD occurs because each carrier can take a few seconds to acknowledge their ability to complete the call.”
Spearline
AUGUST 13, 2019
." Bandwidth, a leading US carrier who offers communication APIs that allow companies to embed voice calling and messaging capability into their applications, says that “PDD occurs because each carrier can take a few seconds to acknowledge their ability to complete the call.
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