Methods and systems for different mid-call announcements to both served and non-served parties at the same time

Predicting subscriber experience based on QoE

METHOD FOR COLLECT CALL SERVICE BASED ON VOIP TECHNOLOGY AND SYSTEM THEREOF

METHOD FOR COLLECT CALL SERVICE BASED ON VOIP TECHNOLOGY AND SYSTEM THEREOF

Dynamic time based product

Systems and methods to provide connections to users in different geographic regions

Marketing offers

System and method for independently authorizing auxiliary communication services

OUT OF CREDIT FINAL-UNIT-ACTION RESTRICT_ACCESS HANDLING

Method and system to provide network status information to a device

System and method for independently authorizing auxiliary communication services

Presenting Indications of Usage of a Communication Device Using Separate Hardware Element of Communication Device

Notification of charging rate adjustments in regions of a mobile network to control bandwidth usage in the regions

SYSTEM AND METHOD FOR PROVIDING COUNSELING SERVICE

Method for collect call service based on VoIP technology and system thereof

Ambient information for usage of wireless communication devices

MOBILE CELLULAR DEVICE USING ACCESS NUMBERS

System, method and device for managing VOIP telecommunications

Handling insufficient account balance of subscribers

APPARATUS AND METHOD FOR PROVIDING INFORMATION FOR MULTIMEDIA MESSAGING SERVICE IN PORTABLE TERMINAL

System and method for independently authorizing auxiliary communication services

METHOD FOR DISPLAYING COST INFORMATION ON TERMINAL DEVICES IN REAL TIME

Communication apparatus, communication program, and communication method

Removable card for use in a communication unit

Prepaid wireless system and method

Method for collect call service based on VoIP technology and system thereof