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SIP was actually removed from the ASOP dialer very recently. It was removed in Android 12 (released late 2021). The support was never great (it would reset to d

SIP was actually removed from the ASOP dialer very recently. It was removed in Android 12 (released late 2021). The support was never great (it would reset to defaulting to SIM calls every reboot) but it worked and was reliable.

bestham 4y ago
SIP is the basis for VoLTE and VoNR. So in some sense iOS and Android still support SIP.