Voice Over IP

WHY COMBINE IP AND SS7?

One of the common criticisms of VoIP that is voiced by some people in the circuit switch telephony industry is the absence of the many service features that are common to telephony systems, such as call forwarding, call screening, caller id, and so forth. These features are quite important to many telephone users and are a vital part of the services that produce revenue for telephony service providers.

The IP protocol suite was not designed to offer these critical services, and any VoIP system that is going to succeed in the corporate environment must do so. Certainly, there will be niche applications that run a sparse set of service features, and certain customers will be content with these services. But for VoIP to become ...