Cisco AS5850 Manual do Utilizador descarregar pdf (Página 12)

By providing virtual-dialup solutions, service providers can offer a full range of services closer to the remote user. Local calls can now be

placed to gain access to the core infrastructures. Virtual-dialup services also attract more users of this service—because calls are terminated

locally, long-distance charges are eliminated and infrastructure costs are reduced.

VPN Provisioning and Accounting

Service providers in the VPN environment need to both provision and account for the number of connections that are allowed by VPN

customers. The Cisco Virtual Private Dialup Network (VPDN) session-counting software can keep track of the number of connections

from the Cisco AS5850 Universal Gateway to the user’s home gateway. This software is provided in Cisco IOS Software running on the

Cisco AS5850 and in the Cisco Access Control Server to provide comprehensive accounting and billing information to ISPs about the

virtual connections that their customers make.

AOL Support

The Cisco AS5850 Universal Gateway offers 100-percent coverage for dedicated AOL dial installations, as well as other services that

use the TCP Clear or autocommand Telnet method of carrying dialup data. Domain Name System (DNS) round robin is also supported

to allow load balancing of connections across multiple AOL hosts. The Cisco AS5850 also includes all the L2TP features necessary to

support clients of AOL 7.0 and later.

PACKET TELEPHONY SERVICES

Cisco Voice Infrastructure and Applications

The Cisco AS5850 Universal Gateway supports Cisco Voice Infrastructure and Applications (VIA), an ideal solution for service

providers building next-generation networks. Cisco VIA is a VoIP solution designed to lower network costs and rapidly deliver a

multitude of revenue-generating carrier-class voice transport services. These services include: national and international transport,

prepaid and postpaid calling card services, ASP termination, dial access, voicemail, and unified communications.

The Cisco VIA solution scales easily for small and large voice networks. Using the Cisco AS5850 and Cisco VIA, service providers with

existing data networks can quickly and easily add voice services to their portfolios, while carriers that offer voice services over existing

TDM networks can expand their coverage more cost-effectively. Cisco VIA extends network reach through worldwide compatibility and

operability, and is a field-proven solution that has been deployed in more than 80 countries worldwide.

Distributed Prepaid Calling

The Cisco prepaid-calling-card solution gives Internet telephony service providers a competitive advantage in the prepaid-calling market.

By tapping the intelligence embedded in IP network components, the card allows service providers to centralize the service application

in a single location at a low cost while bandwidth-intensive call connections are handled at the network edge in Cisco gatekeepers and

gateways. The benefit: lower costs than traditional debit-card applications, which are based on service points in large points of presence

(POPs) in circuit-switched networks. The prepaid-calling-card solution supports IVR in different languages, so carriers can target specific

markets.

Managed Voice Services

Telephony ASPs are emerging as an important market force, offering new, hosted, enhanced IP Communications services that provide

additional capability beyond the services offered by the PSTN. Example applications hosted by telephony ASPs include hosted IP

telephony, managed IP PBX,

PC-to-phone services, unified communications, multiservice VPN, IP contact center, IP teleconferencing, voice-enabled Web commerce,

click to dial, Internet call waiting, and content delivery. These applications create new business-partnering opportunities for VoIP service

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Cisco AS5850 Manual do Utilizador Página 12