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  1. swaypc

    Extension behind NAT

    We had a lot of issues with NAT and Cisco phones, the only way we were able to make work was assigning a different VoIP control port for each of the Cisco phones behind NAT, for example, 5061, 5062 and so on. I hope this help you. Definitely SIP ALG disabled will cause fewer issues. Microtik...
  2. swaypc

    Cisco 7940 - NAT SIP port NDLB

    I hope this helps you, we created this document after hours working with a new client. Cisco 7960 SIP Provisioning Unlock setting by going to: - Setting -> 9 - Default Password "cisco" Change TFTP server under Network Configuration: - Setting -> 3 - TFTP Server (Option 7) Point to your TFTP...