Cotran-iBCS-50	50 users	US$599
Cotran-iBCS-50 with 12 months subscription to COTeL PSTN-Connect SIP		FREE
Cotran-iBCS-100	100 users	US$999
Cotran-iBCS-100 with 12 months subscription to COTeL PSTN-Connect SIP		FREE
Cotran-iBCS-Unlimited	Unlimited users	US$2999
Cotran-iBCS-Unlimited with 24 months subscription to COTeL PSTN-Connect SIP		FREE

Benefits of license purchase:

• license key,Administration & User documentation.
• Free Updates
• High PriorityTechnical Support
• COTeL business-class PSTN-Connect SIP