Customer hosted - Monthly License Rental (Sippy FLEX)

High Quality Softswitch - Low Monthly Fees

When customers  require a cost-effective Softswitch solution as a monthly operating cost, Sippy Software provides the Sippy FLEX license rental.


Sippy FLEX can be installed on your server(s), virtually anywhere in the world and is used by fixed-line and mobile carriers, MVNOs, Wholesalers, Call Center providers, and retail voice providers worldwide.  With additional features such as LRN dip, IPSEC interconnects capabilities, Do Not Call List management, DID Management, and much more.   

Advantages of Sippy FLEX License Rental


  • Inclusive support and monitoring ­for ongoing Sippy­ managed stability.

  • Inclusive Sippy development agreement ­keeping your license at the forefront of Sippy Software technology with all updates and fixes applied.

  • Contract-­free, Month-to-Month payment solution

  • “On­demand” flexibility to increase or decrease capacity to maximize your monthly business advantage.

  • Low modular extension rates for Class 5 features.

Enterprise Grade Scalability

Larry Ackerman


  • The latest version of the Sippy Softswitch license installed on your own, self-­managed infrastructure.

    • Wholesale (Class 4) Routing, Rating, and Billing features.

    • Seamless CC and CPS scalability

  • Modular Retail (Class 5) extensions such as Calling Card, Retail VoIP solutions as well as advanced Call­back solutions.

  • Establish a redundant Sippy network with the Sippy Flex Standby License for real-­time data replication and failover.

  • Operate across private networks with the Sippy VPN module.

  • Comprehensive Support and Maintenance contract included.

  • Low Monthly subscription rates with a high capacity solution of 2,000cc+.

Support | Training | Onboarding

Our mission is to ensure you are operational and generating revenue as fast as possible.  To this end, we provide FREE training and FREE chat based onboarding support to all new customers.   


Free Standard Support, 24 x 7 - live web-portal and email based support is provided with all Sippy Shared Cloud Hosted customer.

* NOTE:  A $200 Installation Fee, applies to all new installations