- BlackBerry® Mobile Voice System version 4.6
- BlackBerry® smartphones
The following services are installed as part of the BlackBerry MVS Server:
BlackBerry MVS Call Processor
The BlackBerry MVS Call Processor communicates with the BlackBerry MVS Session Manager and BlackBerry MVS Connection Service to send and receive Session Initiation Protocol (SIP) calls and data messages. The BlackBerry MVS Call Processor connects to the media gateway to send and receive Real-time Transport Protocol (RTP) packets. BlackBerry MVS uses RTP packets to provide media features, such as conferencing and music on hold, and detect Dual Tone Multiple-frequency (DTMF) codes for features such as setting up ad-hoc conferences, transferring calls, and retrieving voice mail. The BlackBerry MVS Call Processor also connects to the BlackBerry MVS web UI to send applicable changes made to a user account to the BlackBerry MVS Client.
BlackBerry MVS Connection Service
The BlackBerry MVS Connection Service connects to the BlackBerry Enterprise Server to send secure data communication to and receive secure data communication from the BlackBerry MVS Client.
BlackBerry MVS Notification Service
The BlackBerry MVS Notification Service connects to the organization's messaging server to provide notification messaging services.
BlackBerry MVS Session Manager
The BlackBerry MVS Session Manager connects to the media gateway to communicate incoming and outgoing SIP calls. It sends incoming calls to and receives outgoing calls from the BlackBerry MVS Call Processor.
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Visit the BlackBerry Technical Solution Center at www.blackberry.com/btsc.

