Mobile Network

IMS

IMS

Providing IP network-based calling service (VoIP, VoLTE) and additional call service equipment to operators at home and abroad

SIP Server
Supply details Stable VoIP service can be provided using equipment that processes SIP messages, which is the core protocol for the VoIP call service.
Customer

AS
Supply details Supplied the telephony application server for the additional services during a VoIP valued added service (VAS) (.e.g., call forwarding, call rejection, two number service).
Customer

MRF
Supply details Supplied media control equipment to process various media during a VoIP call (e.g., ringback tone, DTMF tone processing, etc.).
Customer and many others

MGCF
Supply details Supplied equipment to relay calls between VoIP users and line exchange network users (e.g., PSTN, 3G user) on the IMS-based VoIP network.
Customer