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AT&T Wi-Fi Calling LAN/VPN configurations for routers and modems.
Data ports | ||||
Port | TCP or UDP | Service or protocol name | RFC | Service name |
500 | UDP | Wi-Fi Calling | 5996 | IKEv2 |
4500 | UDP | Wi-Fi Calling | 5996 | IKEv2 |
993 | TCP | Voice Mail | 3501 | IMAPS |
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