ISDN Telephone Systems |
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Do I have To Change All My Phones? Emphatically no. All ISDN PABX's can support the older analogue telephones though normally the main system phone would be a digital in order to access the additional functionality an ISDN PABX provides. |
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FAX: 0117 962 63 65
Coombe Dingle
Bristol, BS9 9PP, UK
March 5, 2004
Company Reg 1896940
Registered in the UK