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As of LCOS version 8.62 SU6 (download), the previously allowed WAN access for SIP users was automatically reset to "via VPN only" on the VoIP routers LANCOM 1722 VoIP, LANCOM 1723 VoIP, LANCOM 1724 VoIP, and LANCOM 1823 VoIP. This prevents the misuse of SIP accounts over WAN connections.

To continue to access the SIP accounts from the WAN, this option can be manually set with LANconfig. During the manual setup, ensure that you observe maximum password security. Also see our corresponding KnowledgeBase article .