IMS Multimedia Emergency Session (MES) – Emergency calls in the IM CN subsystem
A few weeks ago I was looking into an issue related to E911 or Emergency call over the IMS network. Though it appears as most of the concepts related to emergency calls are still same in IMS as compared to legacy systems, such as 3G and GSM, there are many new things are added for IMS. Both in UMTS and (more ..)