Mitel Deutschland GmbH 68635RFP36U-01 Manuale Utente
Enhanced Feature Overview
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3.34.5 CALL RELEASE TIMERS
SIP-DECT 6.0 or later allows changing certain system default timers. These timers determine the DECT
phone call behavior when calls are released by the B party.
phone call behavior when calls are released by the B party.
You can configure the ”Call release timeout”, ”Hold call release timeout”, and ”Failed call release
timeout” parameters via OMP or Web service (
timeout” parameters via OMP or Web service (
System -> SIP -> Supplementary Services).
3.34.6 INCOMING CALL TIMEOUT
Incoming calls are automatically rejected when the user does not answer the call within 180 seconds.
This time period is too short for special customer use cases.
This time period is too short for special customer use cases.
You can configure this interval through the “Incoming call timeout” parameter via OMP or Web service
(
(
System -> SIP -> Advanced Settings).
3.35 AUTO ANSWER, INTERCOM CALLS AND AUDIO SETTINGS
Certain call features force the DECT phone to call a specified SIP user automatically and, as an option,
to establish a speech path immediately without any intervention by the DECT phone user.
to establish a speech path immediately without any intervention by the DECT phone user.
SIP-DECT allows control of the following audio settings on the DECT phone to prevent unauthorized
parties from hearing the call:
parties from hearing the call:
•
Speech path can be initially set to be muted
•
A warning tone may be generated
SIP-DECT also supports intercom calls. This means that the originating party can force the called party’s
phone to establish a speech path immediately. Control of the same audio settings applies.
phone to establish a speech path immediately. Control of the same audio settings applies.
3.35.1 INTERCOM CALLS
A DECT phone can be forced to answer an incoming SIP call automatically if certain information is
included in the SIP header. A DECT phone user can also initiate an intercom call, which automatically
triggers the destination to talk.
included in the SIP header. A DECT phone user can also initiate an intercom call, which automatically
triggers the destination to talk.
Intercom calls can interrupt active calls (“barge in”). If it is an established basic call, the active call is put
on hold. In more complex call situations, a “barge in” always supercedes existing active calls, unless the
active call is a “SOS” call.
on hold. In more complex call situations, a “barge in” always supercedes existing active calls, unless the
active call is a “SOS” call.
The call is identified as an intercom call if the SIP INVITE header includes:
•
a “Call-Info” header containing “answer-after=0”
•
an “Alert-Info” header containing “info=alert-autoanswer”
Please note:
This feature is only available for Mitel 600 DECT Phones, version 4.0 or
higher.
3.35.1.1 Barge-in of incoming intercom call
If a “barge in” action on an existing call is necessary, note the following rules about the treatment of
existing active calls:
If a “barge in” action on an existing call is necessary, note the following rules about the treatment of
existing active calls:
•
If the user is in a basic call (one line already active) or is brokering (two lines are used), the active line
is placed on hold and kept in the background. No line is released.