US2014068710A1
|
|
User device selection
|
US2014018039A1
|
|
Communication-session termination when subscriber server is unavailable
|
US2014006629A1
|
|
Selection of network-to-network interface device
|
US2013163464A1
|
|
Handing over a user device from one technology to another
|
US2013053027A1
|
|
Providing user location and time zone information for LTE/IMS charging
|
US2013024574A1
|
|
Communication session allocation
|
US2013019021A1
|
|
Data path selection method for communication session
|
US2011263263A1
|
|
Cost effective call routing from IMS networks to local carrier networks
|
US2011151865A1
|
|
Inter-network profile repository interworking systems and methods
|
US2011093542A1
|
|
Session initiation protocol (SIP) signaling to keep a voice over internet protocol (VoIP) session active during a call hold
|
US8200842B1
|
|
Automatic traffic control using dynamic DNS update
|