Cisco IP Communicator Administration Manual page 32

Supported Networking Protocols
Table 1-2 Supported networking protocols for Cisco IP Communicator
Networking Protocol
Real-Time Transport
(RTP)
Transmission Control
Protocol (TCP)
Trivial File Transfer
Protocol (TFTP)
HyperText Transfer
Protocol (HTTP)
User Datagram Protocol
(UDP)
Lightweight Directory
Access Protocol
(LDAP)
eXtensible Markup
Language (XML)
Cisco IP Communicator Administration Guide for Cisco CallManager
1-8
Purpose
RTP is a standard for
using UDP to transport
real-time data, such as
interactive voice and
video, over data networks.
TCP is a
connection-oriented
transport protocol in the
IP family.
TFTP allows you to
transfer files over the
network.
HTTP uses TCP to
transfer web content over
the Internet.
UDP is a connectionless
messaging protocol in the
IP family used for
delivery of data packets.
LDAP is a protocol for
accessing directories.
XML is a markup
language for documents
containing structured
information.
Chapter 1 An Overview of Cisco IP Communicator
Usage Notes
Cisco IP Communicator uses the RTP protocol
to send and receive real-time voice traffic from
other phone devices and gateways.
Cisco IP Communicator uses TCP to connect to
Cisco CallManager.
Cisco IP Communicator uses TFTP to obtain the
configuration file, LDAP Directories
configuration, and dialing rules.
TFTP requires a TFTP server in your network,
which can be automatically identified from the
DHCP server. If more than one TFTP server is
running in your network, you must manually
assign a TFTP server to each application locally.
Cisco IP Communicator users HTTP to obtain
the configuration file, LDAP Directories
configuration, dialing rules, and XML services.
Cisco IP Communicator receives and processes
UDP messages.
Cisco IP Communicator can use LDAP to search
for names and phone numbers.
Cisco IP Communicator can access Cisco XML
web services.
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