Cisco Systems 7920 manual Udp

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Chapter 1 An Overview of the Cisco Wireless IP Phone 7920

Networking Protocols Used with Cisco Wireless IP Phones

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

Networking Protocol

Purpose

Usage Notes

 

 

 

Internet Protocol (IP)

IP is a messaging protocol that

To communicate using IP, network

 

addresses and sends packets across

devices must have an assigned IP

 

the network.

address, subnet, and gateway.

 

 

IP addresses, subnets, and gateways

 

 

identifications are automatically

 

 

assigned if you are using the

 

 

Cisco IP Phone with Dynamic Host

 

 

Configuration Protocol (DHCP). If

 

 

you are not using DHCP, you must

 

 

manually assign these properties to

 

 

each phone locally.

 

 

 

Real-Time Transport

RTP is a standard for transporting

Cisco IP Phones use the RTP

(RTP)

real-time data, such as interactive

protocol to send and receive

 

voice and video, over data networks.

real-time voice traffic from other

 

 

phones and gateways.

 

 

 

Transmission Control

TCP is a a connection-oriented

Cisco IP Phones use TCP to connect

Protocol (TCP)

transport protocol.

to Cisco CallManager and to access

 

 

XML services.

 

 

 

Trivial File Transfer

TFTP allows you to transfer files

TFTP requires a TFTP server in your

Protocol (TFTP)

over the network.

network, which can be automatically

 

On the Cisco IP Phone, TFTP

identified from the DHCP server. If

 

more than one TFTP server is

 

enables you to obtain a configuration

 

running in your network, you must

 

file specific to the phone type.

 

manually assign a TFTP server to

 

 

 

 

each phone locally.

 

 

 

User Datagram Protocol

UDP is a connectionless messaging

Cisco IP Phones receive and process

(UDP)

protocol for delivery of data packets.

UDP messages.

 

 

 

Related Topics

•Understanding the Phone Startup Process, page 2-9

•Interactions with Components in the VoIP Network, page 2-1

•Modifying DHCP Settings, page 5-7

 

 

Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later

 

 

 

 

 

 

OL-3930-02

 

 

1-9

 

 

 

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Contents An Overview of the Cisco Wireless IP Phone Understanding the Cisco Wireless IP Phone Related Topics Overview of a Wireless LAN Understanding the Voice Wireless NetworkWireless LAN with Cisco Wireless IP Phone 7920s 802.11 Standard for Wireless LAN CommunicationsWireless Access Points Security Networking Protocols Used with Cisco Wireless IP PhonesDhcp Networking Protocol Purpose Usage NotesUDP Feature Overview Features Supported on the Cisco Wireless IP PhoneRelated Topic Configuring Telephony FeaturesProviding Users with Feature Information An Overview of the Cisco Wireless IP Phone Required Task Purpose For More Information Administration section onAdministration Tool User Wireless Network Settings
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7920 specifications

Cisco Systems, a leading player in the global networking and communications technology sector, designed the Cisco 7920 Wireless IP Phone for mobile professionals seeking seamless connectivity in various environments. Primarily aimed at enhancing communication within enterprise settings, this wireless device offers a plethora of features that cater to the specific needs of businesses.

At the core of the Cisco 7920 is its robust wireless functionality. It operates on IEEE 802.11b/g wireless protocols, allowing users to connect effortlessly to Wi-Fi networks. This flexibility enables employees to communicate effectively from various locations within an office space, promoting mobility and collaboration without being tethered to a desk.

The ergonomic design of the Cisco 7920 prioritizes user comfort. Its lightweight casing and intuitive button layout ensure that users can navigate the interface with ease. The device is equipped with a vibrant color display, allowing for clear visibility of caller ID, call status, and menu options, enhancing the user experience further. Additionally, the handset supports a wide variety of languages, making it suitable for global teams.

In terms of features, the Cisco 7920 is loaded with advanced capabilities. It supports voice over IP (VoIP), delivering high-quality audio and ensuring reliable communication. Users benefit from features like a contextual menu, call hold, transfer, conference calling, and voicemail access on the go. The phone also offers a wide range of ringtones, allowing customization to suit personal preferences or company branding.

Security is a crucial aspect of modern telecommunications, and the Cisco 7920 does not fall short. It incorporates industry-standard security protocols such as Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA), safeguarding communications from potential threats.

Moreover, the Cisco 7920 integrates seamlessly with Cisco Unified Communications Manager, enabling centralized management and control. This integration ensures that IT departments can deploy, manage, and troubleshoot devices efficiently, streamlining operations while ensuring optimal performance.

In conclusion, the Cisco 7920 Wireless IP Phone stands out as a versatile communication tool designed for the fast-paced workplace. Its combination of wireless connectivity, ergonomic design, advanced features, and robust security makes it an essential accessory for businesses looking to elevate their communication strategies. With its established reputation, Cisco continues to support companies in achieving seamless connectivity and effective collaboration.
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