Cisco VG248 Analog Phone Gateway VG248 データシート

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Analog Phone Gateway

Cisco VG248 Analog Phone Gateway

The Cisco VG248 Analog Phone Gateway

is a mixed-environment solution, enabled

by Cisco AVVID (Architecture for Voice,

Video and Integrated Data), which allows

organizations to support their legacy analog

devices while taking advantage of the new

opportunities afforded through the use of

IP telephony. The Cisco VG248 is a

high-density gateway for using analog

phones, fax machines, modems, voice mail

systems, and speakerphones within an

enterprise voice system based on Cisco

CallManager. It is advantageous to have

these devices tightly integrated with the rest

of the IP-based phone system, for increased

manageability, scalability, and

cost-effectiveness (see Figure 2).

The Cisco VG248 offers 48 fully featured

analog phone lines to be used as extensions

to the Cisco CallManager system in a very

compact 19-inch rack-mount chassis.

Analog phones—Full-feature analog

phone connectivity is needed when the

infrastructure (wiring) or application

does not support or require IP phones.

Full-featured analog phone lines allow

organizations to deploy IP telephony

without having to purchase IP phones for

all the users.

Fax and modem—Fax machine and

modem connectivity are required in many

locations for business needs, and the Cisco

VG248 is the ideal device to provide the

lines for them. Fax machine and modem

connectivity allows organizations to

support these legacy devices alongside

the New World IP telephones.

Voice mail—Many legacy voice mail

systems require analog and Simple

Messaging Desktop Interface (SMDI)

connectivity. Voice mail support allows

support for legacy voice mail systems with

Cisco CallManager in more configurations

and with higher reliability than was

previously possible.

Investment protection—Customers can

continue to use existing phones, fax

machines, and voice mail systems while

taking advantage of IP telephony.

Reduced barrier to entry—Providing a

low-cost alternative for low-end analog

phones, organizations can take advantage

of IP telephony with a lower overall

investment in this new technology.