![Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products](https://m.media-amazon.com/images/I/71pssQ1hr0L._AC_UF350,350_QL80_.jpg)
Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products
![Amazon.com: Ooma Telo Air 2 VoIP Free Home Phone Service with wireless connectivity. Affordable Internet-based landline replacement. Unlimited nationwide calling. Works only in the US. : Everything Else Amazon.com: Ooma Telo Air 2 VoIP Free Home Phone Service with wireless connectivity. Affordable Internet-based landline replacement. Unlimited nationwide calling. Works only in the US. : Everything Else](https://m.media-amazon.com/images/I/61JWBhWPo9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Ooma Telo Air 2 VoIP Free Home Phone Service with wireless connectivity. Affordable Internet-based landline replacement. Unlimited nationwide calling. Works only in the US. : Everything Else
![Amazon.com : Grandstream GS-HT814 4 Port Ata with 4 Fxs Ports and Gigabit NAT Router Voip Phone and Device, Black : Office Products Amazon.com : Grandstream GS-HT814 4 Port Ata with 4 Fxs Ports and Gigabit NAT Router Voip Phone and Device, Black : Office Products](https://m.media-amazon.com/images/I/41orGwU9Y0L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Grandstream GS-HT814 4 Port Ata with 4 Fxs Ports and Gigabit NAT Router Voip Phone and Device, Black : Office Products
![Amazon.com: FITE ON UL Listed AC Power Supply for Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adapter : Office Products Amazon.com: FITE ON UL Listed AC Power Supply for Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adapter : Office Products](https://m.media-amazon.com/images/I/61YTYxxeaAL.jpg)
Amazon.com: FITE ON UL Listed AC Power Supply for Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adapter : Office Products
![Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products](https://m.media-amazon.com/images/I/61a-+Yrk2UL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products
![Amazon.com: cnPilot Home & Business R200P 802.11n 300 Mbps Wi-Fi WLAN Router with Analog Telephone Adapter (ATA) VoIP Gateway, 4 port Network Switch, PoE for PMP450, ePMP SMs and 2 phone ports, Amazon.com: cnPilot Home & Business R200P 802.11n 300 Mbps Wi-Fi WLAN Router with Analog Telephone Adapter (ATA) VoIP Gateway, 4 port Network Switch, PoE for PMP450, ePMP SMs and 2 phone ports,](https://m.media-amazon.com/images/I/51GLC+UvwKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: cnPilot Home & Business R200P 802.11n 300 Mbps Wi-Fi WLAN Router with Analog Telephone Adapter (ATA) VoIP Gateway, 4 port Network Switch, PoE for PMP450, ePMP SMs and 2 phone ports,
![Amazon.com : VoIP Gateway, Portable 2 Ports Adapter Internet Phone Gateway SIP RJ45 Cable Support SIP V2 Protocol for PAP2T(US Plug) : Office Products Amazon.com : VoIP Gateway, Portable 2 Ports Adapter Internet Phone Gateway SIP RJ45 Cable Support SIP V2 Protocol for PAP2T(US Plug) : Office Products](https://images-na.ssl-images-amazon.com/images/I/61bUhtl-gcL._AC_UL600_SR600,600_.jpg)
Amazon.com : VoIP Gateway, Portable 2 Ports Adapter Internet Phone Gateway SIP RJ45 Cable Support SIP V2 Protocol for PAP2T(US Plug) : Office Products
![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 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](https://m.media-amazon.com/images/I/61G6sIXAl8L._AC_UF350,350_QL80_.jpg)
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
![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 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](https://m.media-amazon.com/images/I/413kxJOAUnL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingTHREE%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA7%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
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
![Amazon.com : Cisco Small Business Pro Spa8000 8-Port Ip Telephony Gateway - Voip Phone Adapter-SPA8000-G1 (Certified Refurbished) : Office Products Amazon.com : Cisco Small Business Pro Spa8000 8-Port Ip Telephony Gateway - Voip Phone Adapter-SPA8000-G1 (Certified Refurbished) : Office Products](https://m.media-amazon.com/images/I/51a9ZL7UMAL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Cisco Small Business Pro Spa8000 8-Port Ip Telephony Gateway - Voip Phone Adapter-SPA8000-G1 (Certified Refurbished) : Office Products
![Amazon.com : Grandstream GS-HT814 4 Port Ata with 4 Fxs Ports and Gigabit NAT Router Voip Phone and Device, Black : Office Products Amazon.com : Grandstream GS-HT814 4 Port Ata with 4 Fxs Ports and Gigabit NAT Router Voip Phone and Device, Black : Office Products](https://m.media-amazon.com/images/I/51lpYcTLLKL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Grandstream GS-HT814 4 Port Ata with 4 Fxs Ports and Gigabit NAT Router Voip Phone and Device, Black : Office Products
![Amazon.com: Cisco ATA 191 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA191-3PW-K9) : Office Products Amazon.com: Cisco ATA 191 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA191-3PW-K9) : Office Products](https://m.media-amazon.com/images/I/91VsxpTu6NL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cisco ATA 191 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA191-3PW-K9) : Office Products
![Amazon.com: DKKPIA AC Adapter for Grandstream HT502 HT503 VOIP ATA SIP Phone Power Supply Charger : Office Products Amazon.com: DKKPIA AC Adapter for Grandstream HT502 HT503 VOIP ATA SIP Phone Power Supply Charger : Office Products](https://m.media-amazon.com/images/I/51lR-gIPhtL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DKKPIA AC Adapter for Grandstream HT502 HT503 VOIP ATA SIP Phone Power Supply Charger : Office Products
![Amazon.com : Flying Voice FTA5111 1 FXS & FXO Port ATA Analog Telephone VoIP Adapter Support for Home and SOHO Phone Service : Office Products Amazon.com : Flying Voice FTA5111 1 FXS & FXO Port ATA Analog Telephone VoIP Adapter Support for Home and SOHO Phone Service : Office Products](https://m.media-amazon.com/images/I/51XH9d0Tl7L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Flying Voice FTA5111 1 FXS & FXO Port ATA Analog Telephone VoIP Adapter Support for Home and SOHO Phone Service : Office Products
![Amazon.com : Flying Voice FTA5111 1 FXS & FXO Port ATA Analog Telephone VoIP Adapter Support for Home and SOHO Phone Service : Office Products Amazon.com : Flying Voice FTA5111 1 FXS & FXO Port ATA Analog Telephone VoIP Adapter Support for Home and SOHO Phone Service : Office Products](https://m.media-amazon.com/images/I/51KXXUBZ0aL._AC_UF350,350_QL80_.jpg)
Amazon.com : Flying Voice FTA5111 1 FXS & FXO Port ATA Analog Telephone VoIP Adapter Support for Home and SOHO Phone Service : Office Products
![Amazon.com: Cisco Ata 187 - Voip Phone Adapter - 10Mb Lan, 100Mb Lan "Product Type: Networking/Voip/Fax Cards & Modules" : Electronics Amazon.com: Cisco Ata 187 - Voip Phone Adapter - 10Mb Lan, 100Mb Lan "Product Type: Networking/Voip/Fax Cards & Modules" : Electronics](https://m.media-amazon.com/images/I/41-qaHN+bxL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cisco Ata 187 - Voip Phone Adapter - 10Mb Lan, 100Mb Lan "Product Type: Networking/Voip/Fax Cards & Modules" : Electronics
![Amazon.com : Ooma Telo VoIP Free Internet Home Phone Service and HD3 Handset. Affordable landline replacement. Unlimited nationwide calling. Low international rates. Answering machine. Option to block Robocalls : Office Products Amazon.com : Ooma Telo VoIP Free Internet Home Phone Service and HD3 Handset. Affordable landline replacement. Unlimited nationwide calling. Low international rates. Answering machine. Option to block Robocalls : Office Products](https://m.media-amazon.com/images/I/41Haji3WEBL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Ooma Telo VoIP Free Internet Home Phone Service and HD3 Handset. Affordable landline replacement. Unlimited nationwide calling. Low international rates. Answering machine. Option to block Robocalls : Office Products
![Amazon.com: Obihai OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service, Black : Everything Else Amazon.com: Obihai OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service, Black : Everything Else](https://m.media-amazon.com/images/I/51RsEXhLA2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Obihai OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service, Black : Everything Else
![Amazon.com: FLYINGVOICE FTA5101 VoIP Adapter 1 FXS ATA Phone Analog Telephone Router VOIP Gateway Voice Adapter : Office Products Amazon.com: FLYINGVOICE FTA5101 VoIP Adapter 1 FXS ATA Phone Analog Telephone Router VOIP Gateway Voice Adapter : Office Products](https://m.media-amazon.com/images/I/51L2k0MsvPL.jpg)
Amazon.com: FLYINGVOICE FTA5101 VoIP Adapter 1 FXS ATA Phone Analog Telephone Router VOIP Gateway Voice Adapter : Office Products
![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 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](https://m.media-amazon.com/images/I/71w5Ta90N2L._AC_UF894,1000_QL80_.jpg)