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  1. Connect an on premise SIP trunk with 3cx on cloud (Azure)

    Hi, We have a 3cx deployed on Azure for a customer located in Swiss. The customer has purchased a SIP trunk from a supported provider (Sunrise). The SIP provider has installed an SBC on-site (they told us it's not possible to do direct connection to their SBCs with public IPs ). What would be...
    • ga_sync
    • Thread
    • azure azure 3cx azure vpn provider sip trunk sbc sip trunk sunrise vpn
    • Replies: 16
    • Forum: Phone System / PBX
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