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Yep, if I set 'Allow Incoming SIP Messages from SIP Proxy Only' to 'no' (allows direct SIP-SIP calls) on my home VoIP service, I'll get a silent call from '500'
by linker3000 3y ago
Yep, if I set 'Allow Incoming SIP Messages from SIP Proxy Only' to 'no' (allows direct SIP-SIP calls) on my home VoIP service, I'll get a silent call from '500' about every minute or so.