Tag: P-CSCF

EPC IMS / VoLTE Kamailio LTE Mobile Networks Software Voice over IP

Kamailio Proxy-CSCF Pull

My first Pull / Merge in the Kamailio project was to fix the IMS P-CSCF config

Tags IMS, Kamailio, Kamailio Bytes, P-CSCF, VoLTE

EPC EUTRAN IMS / VoLTE LTE Mobile Networks SDM Security Voice over IP

VoLTE / IMS – P-CSCF Assignment

Post author By Nick
Post date 08/02/2020
No Comments on VoLTE / IMS – P-CSCF Assignment

How the P-CSCF address is assigned to a UE in Protocol Configuration Options (PCO) during bearer establishment.

Tags IMS, P-CSCF, PCO, Protocol Configuration Options, VoIP, VoLTE

EPC EUTRAN IMS / VoLTE LTE Mobile Networks RFCs & Standards Voice over IP

IMS / VoLTE IPsec on the Gm Interface

Post author By Nick
Post date 11/01/2020
2 Comments on IMS / VoLTE IPsec on the Gm Interface

Wireshark trace of IPsec IMS Traffic between UE and P-CSCF

The exchange between a UE and P-CSCF to put SIP traffic into IPsec encapsulated payloads.

Tags CSCF, IMS, IPsec, Kamailio, P-CSCF, Security, Security-Server, SIP, VoIP, VoLTE

EPC EUTRAN IMS / VoLTE LTE Mobile Networks Security Voice over IP

Using Wireshark to peer inside IPsec ESP VoLTE data from the P-CSCF

Post author By Nick
Post date 04/01/2020
No Comments on Using Wireshark to peer inside IPsec ESP VoLTE data from the P-CSCF

Viewing the payload of an Encapsulated Security Payload in Wireshark.

Tags ESP, IPsec, P-CSCF, PCAP, SIP, VoIP, VoLTE, Wireshark