Amazon.com : VoIP Phone Adapter,ASHATA Portable VoIP Gateway Internet Phone 2 Ports Adapter SIP RJ45 Cable for Linksys PAP2T (US) : Office Products
Grandstream HT801 Analog Telephone Adapter Gateway (ATA) with 1 FXS Po — WE LOVE TEC
VoIP Gateway Micro-Analog Telephone Adapter | SmartNode M-ATA
Amazon.com: 2-Port VoIP SIP Phone Adapter - GT202 Wireless Router, Supports WiFi Asterisk ATA VOS FXS Fax. Suitable for Home or Business (Black) : Office Products
Cisco ATA 192 Multiplatform Analog Telephone Adapter - VoIP phone adapter - ATA192-3PW-K9 - Phone Accessories - CDW.com
analog adapter
VoIP Adapters for Residential or Business VoIP - VoIP Supply
Analog telephone adapter - Wikipedia
Amazon.com : VoIP Gateway, Portable 2 Ports Adapter Internet Phone Gateway SIP RJ45 Cable Support SIP V2 Protocol for PAP2T(US Plug) : Office Products