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HT701 Internet Telefon Adapter Voice Gateway IP Analog Telefon Adapter Voip IP Telefon Port| | - AliExpress
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Poly OBi300 VoIP Telephone Adapter with 1 analog Phone/Fax Port and U
Cisco ATA 191 Voip Adapter / analog Telefon Adapter
Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products