Patent ID: 11917096
Assignee: nan
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A call servicing network, comprising:
at least one network node element configured to:
receive, from a first user device, a call request for a call to a telephone number that is associated with a second user device;
determine that the first user device is associated with a user account having a credit value that is insufficient to complete the call between the first user device and the second user device;
set a call duration timer to expire upon answering the call;
instruct, after the call duration timer is set, to progress the call toward the second user device, thereby permitting the call to mature to a ringing state; and
instructing, by the at least one network node element, release the call when the call duration timer expires upon answering the call.