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Cisco Video Surveillance 2500 Series IP Camera User Guide
OL-19273-02
Chapter 3 Configuring and Managing the IP Camera
Audio/Video Windows
Ta b l e 3-11 Audio Window Options
Option Description
Enable Audio Check this check box to enable audio from the IP camera, and choose one of
these options:
• Simplex - Listen Only—Enables a simplex connection that allows you
to receive audio from the IP camera but not transmit audio to the IP
camera
• Simplex - Talk Only—Enables a simplex connection that allows you to
transmit audio to the IP camera but not receive audio from the IP camera
• Half Duplex - Talk or Listen—Enables a half duplex connection that
lets you receive audio from and transmit audio to the IP camera, but not
simultaneously
• Full Duplex - Talk and Listen—Enables a full duplex connection that
lets you simultaneously receive audio from and transmit audio to the IP
camera
Note When you enable transmitting audio to the IP camera (which enables
the internal or external microphone), the internal microphone on the
IP camera or an external microphone that is attached to the IP camera
is muted by default. To unmute the microphone, use the Microphone
On toggle button in the Home window. For detailed information, see
the
“Home Window Controls” section on page 4-3.
Enable Microphone Display only. A check indicates that the internal microphone on the IP
camera or an external microphone that is attached to the IP camera is
enabled.
The microphone is enabled when you check the Enable Audio check box and
choose Simplex - Listen Only, Half Duplex - Talk or Listen, or Full
Duplex - Talk and Listen.
Note If you connect an external microphone, the internal microphone on
the IP camera is disabled.
Enable External
Speaker
Display only. A check indicates that a speaker that is connected to the IP
camera is enabled.
The speaker is enabled when you check the Enable Audio check box and
choose Simplex - Talk Only, Half Duplex - Talk or Listen, or
Full
Duplex - Talk and Listen to make this check box available.
Audio Type Choose the codec for audio that is transmitted from the IP camera.
This option is available when you check the Enable Audio check box and
choose Simplex - Listen Only, Half Duplex - Talk or Listen, or
Full
Duplex - Talk and Listen.