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Propietary protocol optimised for low bandwidth

SoftPhone or USB HardPhones

Unlimited PC<>PC calls for an annual subscription.
Prepaid service for PSTN gateway


  • 2004-08-23 CRYSTALVOICE Adds SIP Interoperability To Its VoIP Solutions Press Release

Created by: flavour, Last modification: Tue 24 of Aug, 2004 (00:19 UTC) by jht2
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