sábado, 24 de julio de 2010

Network IP Telephony

Service providers have traditionally transported voice and data traffic on separate, dedicated networks,
resulting in added costs and resource inefficiencies. With the expanded use of the Internet for voice and
video, service providers are shifting away from circuit to IP packet networks for transporting voice calls.
Service providers are approaching the implementation of IP Telephony (IPT) from a business case perspective
with the goal of decreased costs and increased revenues. Based on IP Telephony economics,
service providers have been implementing IPT in the following ways:

An IP multimedia subsystem allows service providers to migrate seamlessly to a converged voice and
data network architecture by integrating next-generation call control and existing class 5 switches. Service
providers are positioned to grow the network capacity incrementally without the over provisioning
typical of circuit switched network solutions.
With an IMS, a service provider is better able to control costs while maximizing its network and resources.
Instead of adding expensive circuits and trunks, the service provider adds trunking gateways
under the control of the IMS. The packet network is a lower cost infrastructure and it lays the foundation
for offering IP Enhanced services as required.
Realizado por Daniel Casique EEs seccion 1

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