![Amazon.com: BestCH 12V AC/DC Adapter for Grandstream HT502 HT-503 HT503 VOIP ATA SIP Phone GXE5024 GXE5028 Phone VOIP IP PBX IPBX 12VDC Power Supply Cord Cable PS Wall Home Battery Charger PSU : Amazon.com: BestCH 12V AC/DC Adapter for Grandstream HT502 HT-503 HT503 VOIP ATA SIP Phone GXE5024 GXE5028 Phone VOIP IP PBX IPBX 12VDC Power Supply Cord Cable PS Wall Home Battery Charger PSU :](https://m.media-amazon.com/images/I/61fjlbPo4RL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BestCH 12V AC/DC Adapter for Grandstream HT502 HT-503 HT503 VOIP ATA SIP Phone GXE5024 GXE5028 Phone VOIP IP PBX IPBX 12VDC Power Supply Cord Cable PS Wall Home Battery Charger PSU :
![Amazon.com: AC Compatible with Power Adapter Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adaptor : Office Products Amazon.com: AC Compatible with Power Adapter Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adaptor : Office Products](https://m.media-amazon.com/images/I/41sOwLymLFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AC Compatible with Power Adapter Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adaptor : 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: Cisco ATA 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9) : Office Products Amazon.com: Cisco ATA 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9) : Office Products](https://m.media-amazon.com/images/I/51N31apjmsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cisco ATA 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9) : 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/61TdiUiRxJL._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 : 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/41PzpQhOscL._AC_UF350,350_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 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9) (Renewed) : Office Products Amazon.com: Cisco ATA 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9) (Renewed) : Office Products](https://m.media-amazon.com/images/I/31hYx3V1XUL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingTHREEANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA10%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Cisco ATA 192 Multiplatform Analog Telephone Adapter, 2-Port Handset-to-Ethernet Adapter, 1-Year Limited Hardware Warranty (ATA192-3PW-K9) (Renewed) : 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: 5V AC/DC Power Adapter Works with Cisco ATA-186 ATA-182 VoIP Power Payless : Electronics Amazon.com: 5V AC/DC Power Adapter Works with Cisco ATA-186 ATA-182 VoIP Power Payless : Electronics](https://m.media-amazon.com/images/I/41dUAoquMfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 5V AC/DC Power Adapter Works with Cisco ATA-186 ATA-182 VoIP Power Payless : Electronics
![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://m.media-amazon.com/images/I/61bUhtl-gcL._AC_UF894,1000_QL80_.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: CJP-Geek AC Power Supply for Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adapter : Electronics Amazon.com: CJP-Geek AC Power Supply for Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adapter : Electronics](https://m.media-amazon.com/images/I/615ZDO16LbL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CJP-Geek AC Power Supply for Cisco VoIP ATA 182 ATA 186 ATA 188 Analog Telephone Adapter : Electronics
![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/31+kqjD+MwL._AC_.jpg)
Amazon.com : Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black : Office Products
![Amazon.com: Eboxer VOIP Gateway 2 Ports SIP V2 Protocol Internet Phone Adapter with Network Cable for PAP2T (US Plug) : Office Products Amazon.com: Eboxer VOIP Gateway 2 Ports SIP V2 Protocol Internet Phone Adapter with Network Cable for PAP2T (US Plug) : Office Products](https://m.media-amazon.com/images/I/518kKrNvi-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Eboxer VOIP Gateway 2 Ports SIP V2 Protocol Internet Phone Adapter with Network Cable for PAP2T (US Plug) : 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.jpg)
Amazon.com: DKKPIA AC Adapter for Grandstream HT502 HT503 VOIP ATA SIP Phone Power Supply Charger : Office Products
![Amazon.com: UpBright 12V 1A AC/DC Adapter Compatible with Grandstream GXV3000 GXV3140 HT502 HT-503 HT503 VOIP ATA SIP Phone GXE5024 GXE5028 Phone VOIP IP PBX IPBX GXP2170 GS-GXP2170 Power Supply Battery Charger : Amazon.com: UpBright 12V 1A AC/DC Adapter Compatible with Grandstream GXV3000 GXV3140 HT502 HT-503 HT503 VOIP ATA SIP Phone GXE5024 GXE5028 Phone VOIP IP PBX IPBX GXP2170 GS-GXP2170 Power Supply Battery Charger :](https://m.media-amazon.com/images/I/61KkXelaEZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UpBright 12V 1A AC/DC Adapter Compatible with Grandstream GXV3000 GXV3140 HT502 HT-503 HT503 VOIP ATA SIP Phone GXE5024 GXE5028 Phone VOIP IP PBX IPBX GXP2170 GS-GXP2170 Power Supply Battery Charger :
![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.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: 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._AC_UF894,1000_QL80_.jpg)
Amazon.com: FLYINGVOICE FTA5101 VoIP Adapter 1 FXS ATA Phone Analog Telephone Router VOIP Gateway Voice Adapter : 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 : 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 : 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: AC/DC Adapter for Cisco ATA-182 ATA-186 VoIP Charger Power Supply Cord Mains PSU : Electronics Amazon.com: AC/DC Adapter for Cisco ATA-182 ATA-186 VoIP Charger Power Supply Cord Mains PSU : Electronics](https://m.media-amazon.com/images/I/51QRXL4XaHL._AC_UF894,1000_QL80_.jpg)