DSL Equipment Support

Rented Modems & Routers: Need support for the modem or router you rent from GSC? Call our technical support line at 1-888-896-7824.

Purchased Modems & Routers: Modems and routers purchased through GSC include a manufacturer warranty. If you purchased a BEC modem, please contact us at 603-529-9931 for any support issues you may have. For all other modems please contact the manufacturer directly for any support issues, by phone or by visiting their website. If you would like to upgrade or need to replace your equipment contact our customer service department.

	Actiontec www.actiontec.com 1 (888) 436-0657 Press option #3 for Technical Support on a modem purchased from your telephone company or Internet Service Provider. Press option #5 for Advanced Networking Service.
	Efficient Networks (now Siemens Subscriber Networks) subscriber.communications.siemens.com 1 (888) 286-9375 Press option #2 for DSL modem products purchased from service provider (SpeedStream 4060, 5260). Press option #3 for Business Class Router Products (SpeedStream 5667, 5861 router).
	ZyXEL www.us.zyxel.com 1 (800) 255-4101 Press option #5 for Tech Support.