Wednesday, November 14, 2018
Session Initiation Protocol (SIP) is not offered by the big Carriers because it would cannibalize their existing PRI, BRI, and trunking business!!https://Les.Net/Voice-Services/ Digital Marketing at //shoplocal.ly/01YtbP
Posted at 06:02 AM
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Session Initiation Protocol (SIP) is not offered by the big Carriers because it would cannibalize their existing PRI, BRI, and trunking business!!
