Silent Call Communications Corporation 5095 Williams Lake Road Waterford, MI 48329 Toll Free: (800) 572-5227 Direct: (248) 673-7353 TTY: (248) 673-7353 Fax: (248) 673-7360 silentcall@ameritech.net http://www.silentcall.com Silent Call Coordinator On-Premise Paging System
SkyTel Communications Inc. 515 East Amite Street Jackson, MS 39201 Toll Free: (800) 759-8737 SkyUser@skytel.com http://www.skytel.com TimePort (2way) Talkabout T900 (2way) Glenayre AccessLink II SkyWriter Service
Wynd Communications 75 Higuera Street Suite 240 San Luis Obispo, CA 93401 Toll Free: (800) 549-9800 TTY: (800) 549-2800 sales@wynd.com http://www.wyndtell.com T-Mobile Sidekick RIM 850 Motorola T900 RIM 950 Wyndtell Service