Glossary

 

 

S

 

SCCP

Skinny Call Control Protocol. A VoIP protocol utilized by a CallManager

 

server.

SDP

Session Definition Protocol. An IETF protocol for the definition of multimedia

 

services. SDP messages can be part of SIP, MGCP, and SCCP and messages.

SIP

Session Initiation Protocol. Protocol developed by the IETF MMUSIC Working

 

Group as an alternative to H.323. SIP features are compliant with IETF

 

RFC 2543, published in March 1999. SIP equips platforms to signal the setup of

 

voice and multimedia calls over IP networks.

SIP endpoint

A terminal or gateway that acts as a source or sink of SIP voice data. An

 

endpoint can call or be called, and it generates or terminates the information

 

stream.

SLIC

Subscriber Line Interface Circuit. An integrated circuit providing central

 

office-like telephone interface functionality.

SNA

Systems Network Architecture. Large, complex, feature-rich network

 

architecture developed in the 1970s by IBM. Similar in some respects to the OSI

 

reference model but with a number of differences. SNA essentially is composed

 

of seven layers.

SOHO

Small office, home office. Networking solutions and access technologies for

 

offices that are not directly connected to large corporate networks.

 

 

T

 

TCP

Transmission Control Protocol. Connection-oriented transport layer protocol

 

that provides reliable full-duplex data transmission. TCP is part of the TCP/IP

 

protocol stack.

 

 

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

 

 

 

 

 

 

OL-4277-01

 

 

GL-9

 

 

 

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Cisco Systems 7912G, 7905G manual GL-9

7912G, 7905G specifications

Cisco Systems is a leading provider of networking and telecommunications equipment, and among its extensive range of products, the Cisco 7900 Series of IP phones has made a notable impact in enterprise communication. Key models in this series include the Cisco 7905G, 7912G, and 7902G, each designed to enhance productivity through advanced features, intuitive interfaces, and robust technology.

The Cisco 7905G is designed for basic telephony needs and is ideal for administrative environments or areas with high call volumes. It features a large single-line LCD display, providing users with clear visibility of call information. The phone supports Power over Ethernet (PoE), making installation easier and reducing clutter by eliminating the need for an additional power supply. Its hands-free and headset support enhances user convenience, allowing for easy multitasking during calls.

Moving on to the Cisco 7912G, this model is designed for more demanding communication requirements. It features a larger, backlit display, providing improved visibility in various lighting conditions. The Cisco 7912G supports up to 12 programmable line or feature keys, giving users the flexibility to tailor the phone to their specific needs. Additionally, it incorporates advanced audio technologies, such as wideband audio for enhanced voice clarity and a built-in speakerphone, allowing users to communicate effectively in busy environments.

The Cisco 7902G, while offering basic features, is a reliable choice for users who need straightforward, cost-effective telephony solutions. It features an intuitive design with three dedicated buttons for line status, a built-in speakerphone, and support for wideband audio. The phone is geared for users who require essential telephony features without the complexity of additional functionalities, making it suitable for front-desk and general office use.

Overall, these models within the Cisco 7900 series exemplify the company's commitment to providing high-quality enterprise communication tools. With a focus on advanced audio technologies, user-friendly interfaces, and adaptability to various business environments, the Cisco 7905G, 7912G, and 7902G cater to the diverse needs of modern organizations. As companies continue to pursue seamless communication, these IP phones remain a valuable asset in their telephony infrastructure, enhancing collaboration and productivity among teams everywhere.