Related Topics

Chapter 1 An Overview of the Cisco Unified IP Phone

What Networking Protocols Are Used?

Table 1-1	Supported Networking Protocols on the Cisco Unified IP Phone (continued)

Networking Protocol		Purpose	Usage Notes

Session Initiation Protocol		SIP is the Internet Engineering Task Force	Like other VoIP protocols, SIP is designed to
(SIP)		(IETF) standard for multimedia conferencing	address the functions of signaling and session
		over IP. SIP is an ASCII-based	management within a packet telephony
		application-layer control protocol (defined in	network. Signaling allows call information to
		RFC 3261) that can be used to establish,	be carried across network boundaries. Session
		maintain, and terminate calls between two or	management provides the ability to control
		more endpoints.	the attributes of an end-to-end call.
			You can configure the Cisco Unified IP Phone
			to use either SIP or Skinny Client Control
			Protocol (SCCP).

Skinny Client Control		SCCP includes a messaging set that allows	Cisco Unified IP Phones use SCCP for call
Protocol (SCCP)		communications between call control servers	control. You can configure the Cisco
		and endpoint clients such as IP Phones. SCCP	Unified IP Phone to use either SCCP or
		is proprietary to Cisco Systems.	Session Initiation Protocol (SIP).

Session Description Protocol		SDP is the portion of the SIP protocol that	SDP capabilities, such as codec types, DTMF
(SDP)		determines which parameters are available	detection, and comfort noise, are normally
		during a connection between two endpoints.	configured on a global basis by Cisco Unified
		Conferences are established using only the	Communications Manager or Media Gateway
		SDP capabilities that are supported by all	in operation. Some SIP endpoints may allow
		endpoints in the conference.	these parameters to be configured on the
			endpoint itself.

Transmission Control		TCP is a connection-oriented transport	Cisco Unified IP Phones use TCP to connect
Protocol (TCP)		protocol.	to Cisco Unified Communications Manager
			and to access XML services.

Transport Layer Security		TLS is a standard protocol for securing and	When security is implemented, Cisco
(TLS)		authenticating communications.	Unified IP Phones use the TLS protocol when
			securely registering with Cisco
			Unified Communications Manager.

Trivial File Transfer Protocol		TFTP allows you to transfer files over the	TFTP requires a TFTP server in your network,
(TFTP)		network.	which can be automatically identified from
		On the Cisco Unified IP Phone, TFTP enables	the DHCP server. If you want a phone to use
		you to obtain a configuration file specific to	a TFTP server other than the one specified by
		you to obtain a configuration file specific to	the DHCP server, you must manually assign
		the phone type.	the DHCP server, you must manually assign
		the phone type.	TFTP server from the Network Configuration
			TFTP server from the Network Configuration
			menu on the phone.

User Datagram Protocol		UDP is a connectionless messaging protocol	Cisco Unified IP Phones transmit and receive
(UDP)		for delivery of data packets.	RTP streams, which utilize UDP.

7970G, 7971G-GE specifications

The Cisco Systems 7971G-GE is a sophisticated IP phone designed for enterprise communication, offering a range of features that enhance productivity and collaboration. As part of the Cisco Unified Communications portfolio, this phone is known for its impressive technology and reliable performance.

One of the main features of the 7971G-GE is its high-resolution color display. The 5-inch LCD screen provides users with a visually appealing and intuitive interface, allowing for easy navigation through menus and contacts. The phone supports up to six lines, making it ideal for users who require multiple lines for simultaneous calls. Users can effortlessly manage calls with the ability to switch between lines and access important call features like hold, transfer, and conference calling.

In terms of audio quality, the Cisco 7971G-GE is equipped with high-definition voice technology. This feature ensures crystal-clear sound during calls, reducing background noise and enhancing the clarity of conversations. The phone also supports wideband audio codecs, enabling a richer voice experience that is particularly valuable in business environments.

The phone is designed with user convenience in mind. It offers programmable buttons that can be customized to suit individual needs, allowing easy access to frequently used functions or contact lists. Additionally, the presence indicator feature lets users see the availability of their colleagues in real-time, promoting more effective communication and collaboration.

Networking capabilities are another strong point of the Cisco 7971G-GE. The phone supports both Power over Ethernet (PoE) and standard Ethernet connectivity. This enables easy deployment without the need for additional power outlets. Moreover, the device is compatible with various Cisco communication platforms, integrating seamlessly with existing Cisco infrastructure, which is essential for businesses looking to upgrade their communications systems.

Security is a crucial consideration for modern enterprises, and Cisco addresses this with robust encryption features that protect voice and video calls. The phone supports secure signaling and media encryption, ensuring that sensitive conversations remain confidential.

Overall, the Cisco Systems 7971G-GE is a feature-rich IP phone that combines advanced technology with user-friendly design. Its high-definition audio, customizable features, and seamless integration with Cisco networks make it a popular choice for businesses seeking to improve their communication systems. With its reliability and performance, the Cisco 7971G-GE continues to support effective collaboration in an increasingly connected world.

Cisco Systems 7970G, 7971G-GE manual Related Topics

Models: 7970G 7971G-GE

Networking Protocol

(SIP)

(SDP)

(TLS)

(TFTP)

OL-15299-01

7970G, 7971G-GE specifications

1-6	OL-15299-01