This
is yet another area monitoring systems must be able to support. Since they are capturing
the SIP data, all that is needed is an application that provides reporting of servicespecific
transactions. For example, was a text message delivered successfully or did
it fail.
These areas require monitoring of much more than just the IMS domain. The access
domain must also be monitored to be able to ascertain where trouble began, and what
caused failures. This means supporting GPRS, UMTS, GSM, CDMA, SS7, VoIP (H.323,
H.224, H.248, etc.), and any other technology used in the access network. If your monitoring
system can support all of these areas, you are well prepared for IMS implementation
and should be able to manage your IMS network very closely.
Interfacing to the IMS
In an ideal world, connecting to the IMS would be as simple as turning on our communicator
and selecting the media and service we wanted. Or better, simply communicating
in whatever form tickles our fancy at any moment in time and letting the device
control the rest. But alas, we are not in an ideal world.
Instead we are in a world filled with old and new, legacy and cutting-edge technology
with new-fangled devices providing a myriad of applications. Yet despite all this
new-fangled technology, we still have rural areas with multiparty lines and outside
plant that most likely outdates most of those who maintain it.
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