PTT Services

Features desirable in a PTT over cellular system:
Multigroup. Ability to be active / connected in more than one group on mobile
Multigroup in PC-Dispatcher. Possibility to have open several groups on the client PC
CDR's (log of all calls produced)
Callback (invitation calls)



Group 1-many-1



  • In this type of group, a group user behaves like the key player. The user key participant can speak and listen to all users, but the other members receive only key participant's voice.
    Have two subtypes one to many
    • I could be initiated only by the group owner
    • Any group member can initiate the call

Group 1 to many. Only the organizer can talk



  • Ad-hoc groups. Build a group from PC or mobile temporary instantly.
    Intercept calls from the PTT server. (Calea)
    Recording on demand from client PC.

  • Possible from the mobile terminal to position on the map users to the group and know how far away they are. Also possibility to press a button and position your location on a map.

    Can program the PTT desired according to user preferences and terminal capabilities.

    Using nicknames that appear in the group where you talk and color signal when the user speaks, receives or is denied the opportunity to speak.

  • View the list of active / connected user in a group in the mobile and fixed.
    Setting the phone using SMS. Terminals that support wap push.

  • Control screen behavior. (Option to define the behavior of the lock screen, there are three options: Active, disable lock screen when the client is in the foreground and disable lock screen when the client is active.

    SW amplify volume. Phones with little gain improves audio speaker