SIPHarmony requires a stable, high-speed internet connection for most components to function properly.
Minimum Requirements
Audio Call: 64kbps bi-directional (audio-in/audio-out) per call.
Video Call: 1mbps bi-directional (video-in/video-out) per call.
Note: most currently available services are compatible
Settings
Disable SIP ALG
Disable H.225
Note: this may require a call to your internet service provider (ISP) to disable.
Recommended Service(s)
"Broadband"
Fiber
Ethernet
Coax
T1 (bonded or dedicated)
Radio (microwave)
Not Recommended: T1 (shared), DSL, Satellite, or Dial-Up
Calls that do not require 3rd party internet service(s)
Call Forwarding/Remote Call Forwarding (RCF) - forward to mobile/cell and/or analog telephone lines.
Fail-Over - fail-over routing to mobile/cell and/or analog telephone lines.