Cisco.IP.Telephony.Planning.Design.Implementation.Operation.and.Optimization [Electronic resources] نسخه متنی

اینجــــا یک کتابخانه دیجیتالی است

با بیش از 100000 منبع الکترونیکی رایگان به زبان فارسی ، عربی و انگلیسی

Cisco.IP.Telephony.Planning.Design.Implementation.Operation.and.Optimization [Electronic resources] - نسخه متنی

Tebyan

| نمايش فراداده ، افزودن یک نقد و بررسی
افزودن به کتابخانه شخصی
ارسال به دوستان
جستجو در متن کتاب
بیشتر
تنظیمات قلم

فونت

اندازه قلم

+ - پیش فرض

حالت نمایش

روز نیمروز شب
جستجو در لغت نامه
بیشتر
لیست موضوعات
توضیحات
افزودن یادداشت جدید






Appendix A. Cisco IP Phone Models and Selection Criteria


Table A-1 summarizes the features and the selection criteria for the Cisco IP Phones. Figure A-1 displays various Cisco IP Phone models.


Figure A-1. Cisco IP Phone Models

[View full size image]

Table A-1. Overview of Cisco IP Phone Models

IP Phone Model

Description/Features

Where to Deploy

Cisco IP Phone 7902G

Single line

No integral switch

No LCD display

No programmable (soft) keys

6 fixed feature keys

No advanced features

No hands-free support

No headset port

SCCP

Codecs: G.711, G.729a

Americans with Disabilities Act (ADA) compliant

Lobby, break rooms

Cisco IP Phone 7905G

Single line

No integral switch

Pixel-based display (monochrome)

4 programmable (soft) keys

2 fixed feature keys

Advanced features: softkeys support

No hands-free support

No headset port

SCCP, H.323, SIP

Codecs: G.711, G.729a

ADA compliant

Lobby, break rooms

Cisco IP Phone 7912G

Single line

Integral switch

6 programmable (soft) keys

6 fixed feature keys

No advanced features

No hands-free support

No headset port

SCCP, SIP

Codecs: G.711 and G.729a

ADA compliant

Employees' desks, lobby, break rooms

Cisco IP Phone 7940G

Two lines

Integral switch

Pixel based (grayscale)

6 programmable (soft) keys

8 fixed feature keys

Support for 7914 expansion module

Hands-free support

Headset port

SCCP, MGCP, SIP

Codecs: G.711, G.729a

ADA compliant

Employees' desks

Cisco IP Phone 7960G

Six lines

Integral switch

Pixel based (grayscale)

6 programmable (soft) keys

8 fixed feature keys

Support for 7914 expansion module

Hands-free support

Headset port

SCCP, MGCP, SIP

Codecs: G.711, G.729a

ADA compliant

Managers', executives', or employees' Desks

Cisco IP Conference Station 7936

Single line

No integral switch

Pixel based

3 programmable (soft) keys

8 fixed feature keys

Conference phone, high-quality speaker phone

Hands-free support

No headset port

SCCP

Codecs: G.711, G.729a

External microphone port

Note: 7936 is an enhanced version of the 7935 phone with improved LCD display and external microphone port.

Conference room, executive suites

Cisco Wireless IP Phone 7920

Wireless LAN phone

Single line

2 soft keys

Pixel-based display

Headset support

IEEE 802.11b

Frequency range: 2.42.497 GHz

Range: 5001000 ft indoors

SCCP

Codecs: G.711, G.729a

Mobile professionals in warehouse, sales floor, call center, nurses, doctors, educators, IT personnel, etc.

Cisco IP Phone 7970G

Eight lines

Integral switch

Color pixel display

Touch-screen feature

6 programmable (soft) keys

Hands-free support

Headset port

SCCP

Codecs: G.711, G.729a

Supports IEEE 802.3af Power over Ethernet (PoE)

standard

ADA compliant

Managers, employees, executive desks

Cisco IP Communicator

Software-based application that runs on the PC

SCCP

Supports XML applications

Emulates the Cisco IP Phone 7970

Ability to select the RTP port range to be used

VPN support

Telecommuters or even for general deployment across the organization because of the scalability

Cisco IP SoftPhone

Software-based application that runs on the PC

Uses CTI to communicate with CallManager

Drag-and-drop dialing

VPN support

Ability to control the physical IP phone

Third-party application integration (Microsoft

NetMeeting, Microsoft Outlook, and other

collaboration applications)

Codecs: G.711, G.723, G.729a

Telecommuters

Cisco IP Phone 7914 Expansion Module

Add-on module to Cisco IP Phone 7960G that

provides an additional 14 programmable buttons per

module (see Figure A-1)

Two 7914 expansion modules can be added to the 7960G phone, enabling users to program 28 buttons as lines or speed dial

Useful for deploying at administrative assistants' desks or at receptionists' desk to handle multiple calls or to support multiple executives

All models have Message Waiting Indication (MWI) except for the 7936 models. XML applications developed by third parties are available only for 7940G, 7970G, and 7960G Cisco IP Phones.

Note

Cisco has released Cisco IP Phone 7971G-GE, which is the second IP Phone model in the Cisco IP Phone 7970 executive series. The main difference between Cisco IP Phone 7970G and Cisco IP Phone 7971G-GE is that the later model has a 10/100/1000 Mbps switch daughter card that offers Gigabit Ethernet connectivity to the upstream switch and to the attached PC.


/ 130