SS II komplet_2011-2012.pdf

Definitions
› Ericsson IMS Common System is based on the IP Multimedia Subsystem
(IMS) as defined by 3GPP/3GPP2.
› Ericsson Instant Talk (EIT) is the push to talk solution that complies with
Push to talk over Cellular (PoC) – built on IMS Common System
› weShare is a family name for combinational services (CS+PS) – built on built
on IMS Common System
› Ericsson IMS Multimedia Telephony – IP softswitch delivering multimedia
telephony and IP Centrex functionality in fixed network – built on IMS
Common System
Standard name
Multimedia system
IMS
Push to talk
PoC
Combinational services IMS (work item)
IP Softswitch
IMS/NGN
Matus Turcsany | © Ericsson AB 2010 | December 2011 | Page 11
Standard org.
3GPP/3GPP2
PoC ->OMA
3GPP
3GPP/ETSI-
TISPAN
Ericsson solution
IMS Common
System
EIT
weShare
IMS Multimedia
Telephony