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NocTel uses the following ports and they may need to be open on your router/firewall or not blocked by your ISP.
Port # | Protocol | Purpose |
123 | UDP | Used for NTP to sync device time |
5060 | UDP | Used for SIP to initiate calls |
10,000+
UDP
Used for RTP for voice data receipt and transmission
80 | TCP | Used for device firmware |
443 | TCP | Used for secure handset remote configuration |
| All UDP Ports | UDP | Used for RTP for voice data receipt and transmission |
F: Has your ISP made a change to your modem, gateway or service?
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