User Manual
Ascom Myco Smartphone Calling
• To participate in a PTT session the handset must first receive an invitation, see 5.7.1 Join a PTT Call
Session, page 45.
• The PTT call screen is used to communicate in a PTT session, see 5.7.2 Use the PTT Call Screen, page
46.
• Incoming PTT session invitations can be rejected, if not configured to be accepted automatically, see
5.7.3 Reject a PTT Invitation, page 47.
• A rejected/ignored PTT invitation can be used to rejoin the session later (as long as the session remains
active), see5.7.4 Rejoin a PTT Call Session, page 47.
• A group of users can be invited to participate in a PTT call by starting a session, see 5.7.5 Start a PTT
Group Call Session, page 48.
PTT sessions must be defined in the Device Manager, and messaging groups in the Unite CM/
Unite CS configuration tool. See the Configuration Manual, Ascom Myco Smartphone, and the
Configuration Manual, Unite Connectivity Manager/Configuration Manual, Unite Communication
Server. For further details about push-to-talk, see the Function Description, Push to Talk.
5.7.1 Join a PTT Call Session
A PTT session invitation can be configured to be automatically accepted by the handsets in the
group. see the Configuration Manual, Ascom Myco Smartphone for details.
An invitation to join a PTT session can be received in two ways:
• As an incoming call (see 5.1 Answer or Reject a Call, page 34).
• As an alert message (see 7.6 Alert Response Options, page 59).
Both PTT invitation types includes a description and ways to join the session.
To Accept a PTT Invitation
1. Accept the incoming call, or tap Join, on the alert message, to accept the invitation and join the call.
The handset can accept the invitation automatically, start in mute mode, or start in
loudspeaking mode, depending on the configuration of the invitation.
2. The handset is connected to the PTT session, and the push-to-talk call screen is shown. See 5.7.2 Use
the PTT Call Screen, page 46 for instructions on how to use the call screen to communicate in the PTT
session.
Invitations disappear from the screen, if not accepted within 60 seconds. All previously received
invitations are stored in the alert view, and can be joined later (as long as the session remains
active), see 5.7.4 Rejoin a PTT Call Session, page 47.
Accept an Invitation During an Ongoing Call
If a PTT invitation is received during an ongoing call, the call is disconnected and the PTT session is
connected automatically, if the following conditions are true:
• The invitation is configured to be accepted automatically.
• The invitation is of higher priority than the priority of the ongoing call.
When a PTT invitation has the highest possible priority level (priority 1), the ongoing call is always
disconnected immediately.
If the priority of the PTT invitation is lower than the ongoing call, or if the invitation is not configured to be
accepted automatically, the invitation must be accepted in the same way as a regular PTT invitation (see To
Accept a PTT Invitation, page 45). If the invitation is accepted while the call is still ongoing, the call is
automatically disconnected.
TD 93066EN / 14 December 2018 / Ver. N 45
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