Feature and Technical Overview

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Adding a BlackBerry MVS user configured for PBX-initiated calling to a Voice over Mobile call between another BlackBerry MVS user and an external user

  1. A BlackBerry Mobile Voice System user, Party A, is on a Voice over Mobile call with an external user, Party B.
  2. Party A presses the Menu key on the BlackBerry device, clicks Add Participant, and dials the number of another BlackBerry MVS user, Party C.
  3. The BlackBerry MVS Client creates a hold request. The MVS Session Manager places the SIP line call leg into a hold state through the PBX.
  4. The MVS Session Manager uses the SIP line interface to request that the PBX establish another call leg to the number of Party C.
  5. The PBX determines that the number is internal to the organization and sends a new call request to the MVS Session Manager.

  6. The MVS Session Manager determines the call is PBX-initiated and uses the SIP trunk interface to request that the PBX ring the number of Party C.
  7. The MVS Session Manager connects the two call legs.

  8. When Party C answers the call, Party A presses the Menu key and clicks Join Conference.
  9. The BlackBerry MVS Client sends a join request to the MVS Session Manager.
  10. The MVS Session Manager requests that the PBX join Party A, Party B, and Party C to the conference call.
  11. The MVS Session Manager, through the PBX, ends the hold state from the SIP line call leg.
  12. Voice communication occurs among Party A, Party B, and Party C.

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