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ISDN – STOP NOTE

ISDN Services are gradually being phased out with many carriers now providing a Stop Sale notice on all ISDN services.  TTC are migrating many of our clients from ISDN to SIP/VoIP and have many years experience in these migration projects.  We would be happy to discuss your particular needs in this technology migration and discus how we could improve your technology, provide greater cost savings and increase your reliability and security.