by Katherine Finnell Tech Target
Verizon and CenturyLink take the top two spots in an IHS Infonetics SIP trunking provider ranking of the top 10 providers in North America.
Verizon is the top SIP trunking provider for the seventh year in a row, while CenturyLink claimed the number two spot for the first time, according to the latest SIP trunking provider scorecard from IHS Infonetics Research.
IHS research director Diane Myers said Verizon claimed the top spot due to its large installed user base and strong financial stability. The provider has maintained its top ranking for the past seven years as it led development of enhanced capabilities, like bursting, she said.