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Press-to-talk (PTT) (Zenitel Connect Pro): Difference between revisions

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Created page with "Normal two-way calls are by default in open duplex with echo cancelling. Zenitel native devices support press-to-talk options to override open duplex: Press M key: Enter Talk mode, speaker muted. On the M-press device send a DTMF '*' Release M key: Return to open duplex. On the M-release device send a DTMF '#' ZCP relay the DTMF '*' / '#' events to the remote device. Speech mode of Zenitel native devices is also controlled by DTMF '*' / '#' events received from r..."
 
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Normal two-way calls are by default in open duplex with echo cancelling.
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In a standard two‑way call in Zenitel Connect Pro, Zenitel intercom devices communicate in '''open duplex''' mode, enabling natural, hands‑free conversation with automatic echo cancellation.


Zenitel native devices support press-to-talk options to override open duplex:
For situations where controlled, one‑way speech is preferred, Zenitel native devices support '''Press‑to‑Talk (PTT)''', allowing users to momentarily override open duplex mode.


Press M key: Enter Talk mode, speaker muted. On the M-press device send a DTMF '*'  
===Press-to-Talk Operation===
* '''Press M key'''
**Device enters '''Talk Mode'''
** Loudspeaker is muted
** The device sends '''DTMF ‘*’''' to the remote side
* '''Release M key'''
** Device returns to '''Open Duplex'''
** The device sends '''DTMF ‘#’''' to the remote side


Release M key: Return to open duplex. On the M-release device send a DTMF '#'
The Zenitel Connect Pro will relay these DTMF * and # events to the remote device.


ZCP relay the DTMF '*' / '#' events to the remote device.
===Remote Control of Speech Mode (Received DTMF)===
Zenitel native devices respond to DTMF signals received from the remote device:
* '''On receiving DTMF ‘*’'''
** Device enters '''Listen Mode'''
** Microphone is muted
* '''On receiving DTMF ‘#’'''
** Device returns to '''Open Duplex'''


Speech mode of Zenitel native devices is also controlled by DTMF '*' / '#' events received from remote:
===Configuration Requirements===
 
No additional configuration is required for Press‑to‑Talk functionality.
On receive DTMF '*' : Enter Listen mode, mute microphone
However, this feature only applies when at least one device in the call is a Zenitel native device.
 
If '''neither''' device in the call is Zenitel native, Press‑to‑Talk does not apply.
On receive DTMF '#' : Return to open duplex
 
This require no configuration. But does not apply if neither of the devices in the call are Zenitel native device.




[[Category: Zenitel Connect Pro]]
[[Category: Zenitel Connect Pro]]
[[Category: Zenitel Connect Pro Features and Functions]]
[[Category: Zenitel Connect Pro Features and Functions]]

Latest revision as of 21:14, 14 February 2026

In a standard two‑way call in Zenitel Connect Pro, Zenitel intercom devices communicate in open duplex mode, enabling natural, hands‑free conversation with automatic echo cancellation.

For situations where controlled, one‑way speech is preferred, Zenitel native devices support Press‑to‑Talk (PTT), allowing users to momentarily override open duplex mode.

Press-to-Talk Operation

  • Press M key
    • Device enters Talk Mode
    • Loudspeaker is muted
    • The device sends DTMF ‘*’ to the remote side
  • Release M key
    • Device returns to Open Duplex
    • The device sends DTMF ‘#’ to the remote side

The Zenitel Connect Pro will relay these DTMF * and # events to the remote device.

Remote Control of Speech Mode (Received DTMF)

Zenitel native devices respond to DTMF signals received from the remote device:

  • On receiving DTMF ‘*’
    • Device enters Listen Mode
    • Microphone is muted
  • On receiving DTMF ‘#’
    • Device returns to Open Duplex

Configuration Requirements

No additional configuration is required for Press‑to‑Talk functionality. However, this feature only applies when at least one device in the call is a Zenitel native device. If neither device in the call is Zenitel native, Press‑to‑Talk does not apply.

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