IP Library › Patent Application 62643541
Patent Application Provisional
App. No. 62/643,541 · Confirmation No. 3689

SDP-BASED METHODS TO SIGNAL RAN-LEVEL CAPABILITIES IN IMS/VOLTE MULTIMEDIA TELEPHONY SESSIONS

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2018-03-30 APP.FILE.REC Filing Receipt 3 View
2018-03-15 TR.PROV Provisional Cover Sheet (SB16) 4 View
2018-03-15 SPEC Specification 55 View
2018-03-15 WFEE Fee Worksheet (SB06) 2 View
2018-03-15 N417 Electronic Filing System Acknowledgment Receipt 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
62/643,541
Filed
2018-03-15