The Intercom feature allows you to speak to someone on an intercom
line. Cisco CallManager does not have a dedicated Intercom feature. However,
with Cisco CallManager, you can configure a phone/directory number to auto
answer with speakerphone, which acts like an intercom. The configuration of
this option causes the speakerphone to go off hook automatically when an
incoming call is received.
There are no specific requirements for this document.
The information in this document is based on Cisco CallManager 3.x and
The information in this document was created from the devices in a
specific lab environment. All of the devices used in this document started with
a cleared (default) configuration. If your network is live, make sure that you
understand the potential impact of any command.
Refer to the
Technical Tips Conventions for more information on document
Complete these steps in order to configure the Auto Answer
On the Cisco CallManager Administration page, choose
Device > Phones and select
Under the Directory Number Settings, go to Auto
Answer and choose Auto Answer with
This acts like an Intercom feature for the directory number.
Note: The Auto Answer feature is not supported on shared lines. If
required, you can use a third party solution called Berbee's InformaCast which
provides the capability to simultaneously send an audio stream and a text
message to Cisco IP phones (7940 or 7960).
For all incoming calls to the configured directory number, verify that
the speaker phone automatically goes off hook.