{"product_id":"crystal-telefon-isdn","title":"Crystal Telephone ISDN","description":"\u003cp\u003eProfessional desk phone, timeless design, and large, ergonomic display\u003c\/p\u003e\n\u003cp\u003eWorks on the S0 port of a system or directly on an ISDN connection, Fritz!Box, etc.\u003c\/p\u003e\n\u003cp\u003eConvenience features: Call waiting, call log, call forwarding, call pick-up, call intrusion, announcement, remote control, cost query from the exchange, conference, toggling (switching between two connections), sending messages, reviewing messages, leaving a message, night service, note register, parking a call on a line key, paging system, relays, answering a ring group, callback, call diversion, control key, hunt group, participant team key, listing appointments, transparent mode \/ data mode, door intercom, etc.\u003c\/p\u003e","brand":"Classic Telephon GmbH","offers":[{"title":"Default Title","offer_id":56528856351102,"sku":null,"price":176.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/5015\/0782\/files\/20251021_105321._Eckig_2_jpg_f4a3e1b5-6ac3-430f-b6ba-033171093f35.jpg?v=1762520944","url":"https:\/\/classictelephon.com\/en\/products\/crystal-telefon-isdn","provider":"Classic Telephon GmbH ","version":"1.0","type":"link"}