Obviously SIP is considerably better than H.323 and complies with the understanding of IP-telephony as a global mass IP-service, and it should be implicitly considered right this way. And as SIP is able to serve not only telephony but also any communications at all in the real time over the IP-protocol; obviously it should become a base for other IP-services not yet existing but will appear in the future, as well.
Aianna Corporation is a Global provider of telephony services, that was established at the vision of one man who was tired of the lack of service and quality that carriers were giving to their clients in the telecommunications industry.