Modems and Call-out devices

TopView uses modems and call-out devices for delivery of notification messages. Cellular modems/devices can be used for SMS/text notification, and call-out devices for Voice notification.

Learn more about our recommended devices and configuration details:

• Recommended cellular modems/devices for SMS Notification
• Recommended phone call devices for Voice Notification

TAPI: TopView no longer supports TAPI for voice calls. Existing TAPI users can access our TAPI information page

Quick links

• Voice notification:
  • Grandstream UCM6200/6300 configuration document (VOIP to analog line)
  • Yeastar TG200L configuration document (also supports SMS in v6.37 and later)
  • Using a hosted VOIP provider (Twilio, SIP.US, and others)
  • Softphones (VOIP and VOIP/SIP Instant Message):
    • Windows: Configure MicroSIP softphone for Windows
    • Mobile: Configure Linphone softphone for Android and iOS
  • VOIP Server Connection issues: run the firewall checker
• SMS notification:
  • MultiTech rCell 100 configuration document
  • Yeastar TG200L configuration document (SMS in v6.37 and later, also supports VOIP to cellular)
  • Use Twilio to send SMS messages (supported in v6.33 and later)
  • How will the end of 3G affect your TopView cellular modem?
    • AT&T users may experience a disruption to service when AT&T ends 3G support in early 2022 and should apply firmware 5.3.5 or later
      • October 2021: PCN for firmware 5.3.5 which will fix the issue for MTR-LAT1 and MTR-LNA7
      • March 2021: PCNs that describe the issue with manual instructions for fix (prior to firmware 5.3.5 release)
        • Model MTR-LAT1
        • Model MTR-LNA7