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Features &
Benefits
Product Information
Excel Converged Services Platform with Call Agent
Features & Benefits
IP-enabled call bypass
In Call Agent mode, the media path of IP-enabled calls
bypasses the CSP, while call control and signaling continue to manage
the call. This feature increases the number of simultaneous calls
that can be handled by the CSP, dramatically increasing call capacity
and decreasing service provider costs.
Increased Capacity
The CSP supports a mid-plane maximum of 2,048 channels. In Call
Agent mode, since the media path can bypass the CSP, Call Agent-based
applications can support up to 10,000 virtual call legs in addition
to 2,048 voice channels. This represents a six-fold increase in
capacity, offering excellent scalability for service providers.
Multi-Function Support
Call Agent enables the CSP to fulfill multiple roles in next generation
networks. Developers can integrate multiple services using Call
Agent, enabling the CSP to act as an application server, feature
server, media server, media gateway, and signaling gateway.
Flexibility
Call Agent uncouples call control and signaling from the media
stream. Host applications choose between two modes: bearer and bearer-free.
In bearer mode, signaling, call control and the media stream pass
through the CSP. In bearer-free mode, just the signaling and call
control pass through the CSP, while the media bypasses the CSP altogether.
The true differentiator of Call Agent is that both bearer and bearer-free
modes can be supported at different points within the same call.
Based on host-initiated or user-initiated actions, the application
can shift a call from bearer mode to bearer free mode, releasing
associated time slot interchange resources. If needed, the call
can be shifted back to bearer mode. Application developers can offer
integrated services while reducing service provider equipment and
operating costs, and increasing scalability.
Cost Savings
Call Agent reduces service provider costs and speeds time-to-market
by supporting multiple network functions in a single system, reducing:
hardware requirements , multi-vendor interworking efforts, OAM&P
coordination, space requirements, power requirements. Back-to-back
vocoders are no longer needed for IP calls traversing a CSP. This
decreases costs and improves call quality, which in turn improves
customer satisfaction and has a positive impact on profitability.
The CSP shelf capacity increases– and service providers can
realize a per-channel savings of up to 60% over CSP services that
require bearer channel connection.
IVR application illustrating dual mode
Initially, the call is connected to the IVR system in bearer mode.
After IVR processing is completed, it releases the call. The host
connects the egress channel to a virtual channel, and upon completion,
connects the ingress channel to a virtual channel, thereby enabling
the voice path to bypass the CSP completely.
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