Software license for resale - no copyright transfer P-Series Software Edition annual subscription Ultimate Plan: 32 Simultaneous Calls , 128 Recommended Extentions Ultimate Plan includes: Business Features Telephony Features Admin&ampSecurity Features UC features IM CRM Integration Call Center Remote Access Service Teams Integration, etc. License charged by SC, Extentions listed is for recommendation. Maximum extension per license is 100 times Concurrent Calls. P-SE-UP-32SC