Quote:
Originally Posted by nodrogd
Virgins POTS infrastructure is getting to the point where it is no longer maintainable. Its old technology now.
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BT switched most of its exchanges to Digital between 1985 and 1995, with most of the larger exchanges using System X or System Y.
I was invloved in many change-overs in the Nottingham & Derby areas. It is old (up to 30 years) but still perfectly maintainable for a few more years.
As far as Im aware, the Nottingham VM exchanges are similar technology (Installed by Diamond/NTL). Like BT, they probably used the same technology in other areas.
I believe BT plans to shut down most of their old digigtal exchanges and switch to VIOP systems over the next 6 to 7 years.
I expect VM to do the same, possibly quicker, since they have far less exchanges.