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    1. Seiten
    2. Welcome to the LANCOM Support Knowledge Base
    • Jira-Links

    Knowledge Base articles about Voice-over-IP (VoIP) with LCOS

    • Erstellt von LANCOM Redaktion, zuletzt aktualisiert von LANCOM Review User am Mai 08, 2025 Lesedauer: 1 Minute(n)


    Title
    Creating firewall rules with recommended QoS settings for VoIP connections
    Configuration wizards for use with the LANCOM rollout wizard
    Troubleshooting: After updating to LCOS 10.42, problems with telephony occur when using a SIP PBX
    Using the RJ11 twin adapters for connecting up to four analog terminals
    Modifying the 'connected number' in ISDN for outgoing calls
    Adding additional SIP single accounts with the Setup Wizard
    Explaining VoIP trace: Inbound phone call on a single account with an ISDN subscriber
    Clock accuracy with LANCOM VoIP routers
    Configuring calling-number suppression for outgoing calls to selected numbers
    Setting up a VPN connection between an Alcatel DeskPhone and a LANCOM router for connecting to an Alcatel OXO PBX (IKEv1)



    Further articles on this topic:

    • Seite:
      Knowledge Base documents & tutorials for the LANCOM R&S®Unified Firewalls
    • Seite:
      Knowledge Base articles on the LANCOM Management Cloud (LMC)
    • Seite:
      New & recently updated knowledge base articles
    • Seite:
      Knowledge Base articles about Wireless LAN with LCOS & LCOS LX
    • Seite:
      Knowledge Base articles about Switches & Switching with LCOS SX
    • Seite:
      Knowledge Base articles about LANtools
    • Seite:
      Knowledge Base articles about LANCOM Wireless ePaper
    • Seite:
      Knowledge Base articles bout Network Connectivity & VPN with LCOS


     
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