GTT launches Cloud Connected PSTN service for Cisco Webex

(Telecompaper) Global cloud networking provider GTT Communications has launched a Cloud Connected PSTN service for Cisco Webex Calling across its global Tier 1 IP… http://feedproxy.google.com/~r/TelecompaperFixed/~3/vMkjMEnj4ec/gtt-launches-cloud-connected-pstn-service-for-cisco-webex–1365426