ring back

System and method for copying ring back tone transfer sound
Study on Multimedia Ring Back Tone Service
A SYSTEM AND METHOD FOR SELECTING RING-BACK TONE IN REAL TIME
Design of anti-ring back reflectors for thin-film solar cells based on three-dimensional optical and electrical modeling
METHOD AND A SYSTEM FOR ENABLING MULTIMEDIA RING-BACK-WITHIN THE CONTEXT OF A VOICE-CALL
Connect customized ring back tone service only at one MSC when intersystem page is involved
A METHOD FOR PROVIDING LOCATION INFORMATION AND SYSTEM THEREOF AND A RING BACK TONE DEVICE
Design and Implementation of Multimedia Ring Back Tone Service Based on IP Multimedia Subsystem
Periodic anti-ring back reflectors for hydrogenated amorphous silicon thin-film solar cells
Mechanism of multimedia ring back tone based on IMS and its application in fixed soft switch network