How do I know if my ISDN30e or SIP provider will allow multiple geographic numbers to be presented?

by Fraser Saunders

Your ISDN30e or SIP provider will need to have presentation type 3 or 5 enabled. BT Openreach, Virgin Media, Cable & Wireless are all fixed line providers that can support this service. If you find that you cannot present multiple geographic numbers, then it may be worth speaking to one of our sales team about transferring your services to us.

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