Cisco IP Communicator is a Microsoft Windows based application that
endows computers with the functionality of IP phones. This application enables
high-quality voice calls on the road, in the office, or from wherever users can
access the corporate network. It is an ideal solution for remote users and
telecommuters. Cisco IP Communicator is easy to deploy and features some of the
latest technology and advancements available with IP communications today.
Cisco IP Communicator is a standalone device that supports both SCCP and SIP.
Note: There are a few features that are not supported on Cisco IP
Communicator with SIP that are supported with SCCP. For example, Cisco IP
Communicator with SCCP is compatible with the Cisco Unified Video Advantage
video-enabled endpoint to make video calls, whereas SIP has no video support.
In addition, Cisco IP Communicator with SCCP supports Tone on Hold, whereas SIP
has no Tone on Hold support. Refer to
Endpoint Features Summary
for a complete list of
Cisco recommends that you have knowledge of these topics:
The information in this document is based on these software 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.
Technical Tips Conventions for more information on document
Cisco Unified Communication Manager 6.x provides the ability to use
adjunct licensing for a presence user who uses multiple devices. This feature
allows the presence user, who already uses a Cisco Unified IP Phone, to require
only a single Device License Unit instead of three when any secondary
soft-phone devices are in use. The secondary soft-phone devices are limited to
Cisco IP Communicator, Cisco Unified Personal Communicator, and Cisco Unified
Mobile Communicator. The adjunct licensing is enabled through configuration on
Cisco Unified Communication Manager, under the Primary Phone option for Cisco
Unified Personal Communicator.
You must adhere to these restrictions in order to use adjunct
You can only associate up to two secondary soft-phone devices to a
primary IP phone.
You cannot delete the primary phone unless you remove the associated
secondary soft-phone devices.
The primary phone must be the device that consumes the most licenses.
You cannot make the soft-phone device the primary phone and associate a Cisco
Unified IP Phone as the secondary device.
Due to these listed restrictions, when you try to delete the primary IP
phone without the removal of the associated secondary soft-phone devices, you
receive the Delete Failed . Cannot delete device that is used as
a Primary Phone error message. Make sure to remove the association
with the secondary soft-phone before you remove the primary IP phone.