Carrier Services

Mobile Network Operators around the world are shutting down their 2G and 3G networks. So how do you ensure voice roaming continuity? The answer is VoLTE.  With Tata Communications VoLTE Roaming and Interworking services you get:                                                                                                                                                                

• Signalling Proxies- The solution can work as a GTP proxy, Diameter proxy, and SIP proxy in the network
• Interworking Functions- Interworking between various protocols supported; SIP & CAMEL protocol/interfaces, SIP & MAP protocol/interface, Diameter & MAP protocol/interfaces
• IMS core (optional)- The solution can shadow IMS platform functionality to provide most IMS core functions, including P-CSCF, I-CSCF & S-CSCF. Media Gateway will also bundle with IMS Core
• SIP Application Server and Pseudo MSC/VLR- Where required the solution can function as a MSC/VLR. It can handle all subscriber MT calls and SMS
• CDR Processor/Adapter Operating as a mediation device, it is possible to create CDRs in a format that the charging/billing system can process. The standard format is CSV, with options to adapt to other formats