Blog
IMS/VOLTE
Dedicated Bearer setup in LTE and impact on VoLTE Precondition
When the callee has been alerted by the provisional response, the chances of a session establishment failure are minimum assuming network resources... more...
How MME Receive Subscribed P-GW IP
Well this is one of the basic but most interesting flavors of the LTE architecture. This sequential signal flow ensures the mobility... more...
Service Specific Access Control (SSAC)
Under disaster or emergency events, the mass simultaneous voice call requests are usually the main cause for network congestion. Hence, a limiting more...
Globally Routable User Agent URI (GRUU)
Several applications of the Session Initiation Protocol (SIP) require a user agent (UA) to construct and distribute a URI that can be used by any... more...
How IMS network assigns and maintains a S-CSCF for an user?
When an user tries to register with IMS network, it sends REGISTER request to P-CSCF. Since the REGISTER doesn’t contain any Service-Route header... more...
How to extract MCC and MNC from IMSI stored in USIM ?
How to extract MCC and MNC from IMSI stored in USIM ? more...