It emerged last week that BT has launched a campaign to license its patents covering SIP trunking, a key technology in the voice over internet protocol (VoIP) space. BT’s proposed licensing terms, as well as price points and a list of the 99 US patents it is seeking royalties for, can be viewed here. In contrast with the norm, the British company has outlined a comprehensive royalty payment structure on its website – possibly signifying the adoption of a new strategy for monetising its patents.

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