![Amazon.com: 2.5mm Jack cwith QD Adapter -Compatible for Polycom IP 320,321,330, Cisco SPA,Grandstream GXP,Panasonic KX, Zultys, Gigaset & 2.5mm Headset Jack(3 Poles) Port with Phones. Not Smartphone use. : Electronics Amazon.com: 2.5mm Jack cwith QD Adapter -Compatible for Polycom IP 320,321,330, Cisco SPA,Grandstream GXP,Panasonic KX, Zultys, Gigaset & 2.5mm Headset Jack(3 Poles) Port with Phones. Not Smartphone use. : Electronics](https://m.media-amazon.com/images/I/41zYDYVHKXL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 2.5mm Jack cwith QD Adapter -Compatible for Polycom IP 320,321,330, Cisco SPA,Grandstream GXP,Panasonic KX, Zultys, Gigaset & 2.5mm Headset Jack(3 Poles) Port with Phones. Not Smartphone use. : Electronics
![Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) : Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :](https://m.media-amazon.com/images/I/61QTTD8SDqS._AC_UF894,1000_QL80_.jpg)
Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :
![Amazon.com: Gigaset Comfort 552A Trio - 3 Cordless Phones - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics Amazon.com: Gigaset Comfort 552A Trio - 3 Cordless Phones - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics](https://m.media-amazon.com/images/I/71E3ybQG4mL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gigaset Comfort 552A Trio - 3 Cordless Phones - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics
![Amazon.com: Gigaset E630A – Robust Landline Phone with Answering Machine - Made in Germany- Water Splash, Dust and Shock-Resistant, Cordless Phone for Workshops and Restaurants (Black, Pack of 1) : Electronics Amazon.com: Gigaset E630A – Robust Landline Phone with Answering Machine - Made in Germany- Water Splash, Dust and Shock-Resistant, Cordless Phone for Workshops and Restaurants (Black, Pack of 1) : Electronics](https://m.media-amazon.com/images/I/51+v4wBfEfL.jpg)
Amazon.com: Gigaset E630A – Robust Landline Phone with Answering Machine - Made in Germany- Water Splash, Dust and Shock-Resistant, Cordless Phone for Workshops and Restaurants (Black, Pack of 1) : Electronics
![Amazon.com: 2.5mm Telephone Headset Monaural with Noise Canceling Mic for Cisco Linksys SPA Grandstream Polycom Panasonic Zultys Siemens Gigaset Uniden AT&T Office IP and Cordless Dect Phones : Electronics Amazon.com: 2.5mm Telephone Headset Monaural with Noise Canceling Mic for Cisco Linksys SPA Grandstream Polycom Panasonic Zultys Siemens Gigaset Uniden AT&T Office IP and Cordless Dect Phones : Electronics](https://m.media-amazon.com/images/I/61YpKxjZ4tL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 2.5mm Telephone Headset Monaural with Noise Canceling Mic for Cisco Linksys SPA Grandstream Polycom Panasonic Zultys Siemens Gigaset Uniden AT&T Office IP and Cordless Dect Phones : Electronics
![Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) : Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :](https://m.media-amazon.com/images/I/41xP5h6Kj%2BS._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA62%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :
![S30852-H2252-R301 A510 Handset BLACK : Siemens Gigaset Cordless Phone : Office Products - Amazon.com S30852-H2252-R301 A510 Handset BLACK : Siemens Gigaset Cordless Phone : Office Products - Amazon.com](https://m.media-amazon.com/images/I/51sfDVTcNuL._AC_UF894,1000_QL80_.jpg)
S30852-H2252-R301 A510 Handset BLACK : Siemens Gigaset Cordless Phone : Office Products - Amazon.com
![Amazon.com: Gigaset Comfort 552 - Elegant Cordless Phone for DECT Base - Made in Germany - Hands-Free Function - Big Phone Book, Titanium-Black : Electronics Amazon.com: Gigaset Comfort 552 - Elegant Cordless Phone for DECT Base - Made in Germany - Hands-Free Function - Big Phone Book, Titanium-Black : Electronics](https://m.media-amazon.com/images/I/61IdMP50a2L.jpg)
Amazon.com: Gigaset Comfort 552 - Elegant Cordless Phone for DECT Base - Made in Germany - Hands-Free Function - Big Phone Book, Titanium-Black : Electronics
![Amazon.com : Gigaset C610H-BK Dect_6.0 1-Handset Landline Telephone : Voip Gigaset : Office Products Amazon.com : Gigaset C610H-BK Dect_6.0 1-Handset Landline Telephone : Voip Gigaset : Office Products](https://m.media-amazon.com/images/I/71RaYyc8HWL.jpg)
Amazon.com : Gigaset C610H-BK Dect_6.0 1-Handset Landline Telephone : Voip Gigaset : Office Products
![Gigaset S650 IP PRO and Gigaset N510 IP PRO - Bundle - Package - Powerful Telephone with IP Base System [International Version, Not Compatible in the UK]: Amazon.co.uk: Electronics & Photo Gigaset S650 IP PRO and Gigaset N510 IP PRO - Bundle - Package - Powerful Telephone with IP Base System [International Version, Not Compatible in the UK]: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/71ChfpuRdjL._AC_SY355_.jpg)
Gigaset S650 IP PRO and Gigaset N510 IP PRO - Bundle - Package - Powerful Telephone with IP Base System [International Version, Not Compatible in the UK]: Amazon.co.uk: Electronics & Photo
![Amazon.com : Gigaset DX800A Dect_6.0 Handset Landline Telephone : Corded Telephones : Office Products Amazon.com : Gigaset DX800A Dect_6.0 Handset Landline Telephone : Corded Telephones : Office Products](https://m.media-amazon.com/images/I/51Manq1Zk4L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Gigaset DX800A Dect_6.0 Handset Landline Telephone : Corded Telephones : Office Products
![Amazon.com: Gigaset E630H – Additional Handset - Cordless Phone - Robust and Durable, Resistant to Water Splash, Dust and Shock, for DIY Enthusiasts, Skilled Craftsmen, Gardeners and Mechanics, Black : Electronics Amazon.com: Gigaset E630H – Additional Handset - Cordless Phone - Robust and Durable, Resistant to Water Splash, Dust and Shock, for DIY Enthusiasts, Skilled Craftsmen, Gardeners and Mechanics, Black : Electronics](https://m.media-amazon.com/images/I/51kHlJshryS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gigaset E630H – Additional Handset - Cordless Phone - Robust and Durable, Resistant to Water Splash, Dust and Shock, for DIY Enthusiasts, Skilled Craftsmen, Gardeners and Mechanics, Black : Electronics
![Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) : Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :](https://m.media-amazon.com/images/S/aplus-media/sc/71639749-0ed7-430c-8b2c-ec25e9ab64b0.__CR0,0,220,220_PT0_SX220_V1___.jpg)
Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :
![Amazon.com : Gigaset C610H-BK Dect_6.0 1-Handset Landline Telephone : Voip Gigaset : Office Products Amazon.com : Gigaset C610H-BK Dect_6.0 1-Handset Landline Telephone : Voip Gigaset : Office Products](https://m.media-amazon.com/images/I/71RaYyc8HWL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Gigaset C610H-BK Dect_6.0 1-Handset Landline Telephone : Voip Gigaset : Office Products
![Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) : Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :](https://m.media-amazon.com/images/I/61QTTD8SDqS.jpg)
Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :
![Amazon.com: Gigaset Comfort 552A - Cordless DECT Phone - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics Amazon.com: Gigaset Comfort 552A - Cordless DECT Phone - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics](https://m.media-amazon.com/images/I/61ApOg5YJyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gigaset Comfort 552A - Cordless DECT Phone - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics
![Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) : Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :](https://m.media-amazon.com/images/I/61jNL4dohzS.jpg)
Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :
![Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) : Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :](https://m.media-amazon.com/images/I/61-X0X26OJS._AC_UF350,350_QL80_.jpg)
Amazon.com : Gigaset C530 IP – Cordless VoIP Phone with Large TFT Color Display, Made in Germany, Phone for Small Businesses, Offices or Home, Supports Landline and IP (Black, Pack of 1) :
![Amazon.com: IPD IPH-250 Single Ear NC Corded Headset with 2.5mm Jack for Polycom IP 320,321,330, Cisco SPA,Grandstream GXP,Panasonic KX, Zultys, Gigaset & 2.5mm Jack(3 Poles) Port with Phones. : Electronics Amazon.com: IPD IPH-250 Single Ear NC Corded Headset with 2.5mm Jack for Polycom IP 320,321,330, Cisco SPA,Grandstream GXP,Panasonic KX, Zultys, Gigaset & 2.5mm Jack(3 Poles) Port with Phones. : Electronics](https://m.media-amazon.com/images/I/61Fy9dG8QfL.jpg)
Amazon.com: IPD IPH-250 Single Ear NC Corded Headset with 2.5mm Jack for Polycom IP 320,321,330, Cisco SPA,Grandstream GXP,Panasonic KX, Zultys, Gigaset & 2.5mm Jack(3 Poles) Port with Phones. : Electronics
![Amazon.com: Gigaset Comfort 552A - Cordless DECT Phone - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics Amazon.com: Gigaset Comfort 552A - Cordless DECT Phone - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics](https://m.media-amazon.com/images/I/613rQim4pdL._AC_UF350,350_QL80_.jpg)
Amazon.com: Gigaset Comfort 552A - Cordless DECT Phone - Answering Machine - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Big Phone Book, Titanium-Black : Electronics
![Amazon.com: Gigaset Comfort 552 Duo - 2 Cordless Phones - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Phone Book for 200 Entries, Titanium-Black : Electronics Amazon.com: Gigaset Comfort 552 Duo - 2 Cordless Phones - Made in Germany - Elegant Design - Hands-Free Mode - Comfort Call Protection - Phone Book for 200 Entries, Titanium-Black : Electronics](https://m.media-amazon.com/images/I/61iXbZOh9jL._AC_UF350,350_QL80_.jpg)