If you cannot receive incoming calls, please check the following:
Double confirm your device register to SIP trunk successfully
Successful register message show on your device or
Login to your Hoiio account, check on the Connected Devices to double confirm that the correct device is connected.
Please note that SIP accounts can ONLY be used with one device. If more than one device is connected, you will NOT be able to receive incoming calls at correct device. call will be shuffling
Check to confirm that you are using one of the supported codecs: G.711, G.729, GSM
Check your Firewall Settings
Almost all cases of which lines are unable to receive incoming calls are due to network latency fluctuations. UDP transport cannot handle very well in this case. If your SIP devices are still using UDP transport. Please switch to TCP transport.
If you have completed the above and it's still does not work, please collect MTR Report and Network Capture (or SIP log) of a failed incoming call. Send both of them to firstname.lastname@example.org for further assistance.
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