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@sammachin I have a 3G Huawei that does both (got it hooked up to my Asterisk rig) looking to upgrade so I can have a back up for ADSL outages (also want just one sim to save on hastle)Permalink On twitter.com
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@sammachin I don't think the local 4G O2 cell site supports Voice of LTE so I can't even try that. (I also assume that uses the SIM to authenticate the VoIP somehow)On twitter.com