With two levels of support, you can choose the plan that best fits your needs.

Standard Support  
User and operational incidents Yes
Remote troubleshooting Yes
Remote jBilling product upgrades Yes
Monthly incident allotment Unlimited
Support hours Business Hours
Maximum incident response time 1 Business Day
Mission-Critical Support (Add on to Standard Support)  
Emergency bug fix escalation 30 Minutes
Maximum emergency response time Yes
Emergency hot fix build Yes

Please contact sales for more information.