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Configure exceptions to the default SIP line access level

To configure exceptions to the default SIP line access level

  1. Open the SIP Line Configuration tab of the Line Configuration dialog box.

  2. Do any of the following:

    • To add an exception, click Add.
      The Grant <Exception Type> On dialog box appears.

    • To edit an exception, select it in the Exceptions list and then click Edit.
      The Grant <Exception Type> On  dialog box appears.

    • To delete an, select it in the Exceptions list and then click Delete.

  1. In the Type group, select Single Computer or Group of Computers.

  2. In the Validate access using list, select which IP address is checked against the access list of a sip line. Select one of the following:

    • Select Last hop's IP Address

    • Select Originator's IP Address

  1. Complete the Address field:

    • If you selected Single Computer, do one of the following:

    • Enter an address string using IPv4 dotted notation (for example, 172.16.1.25).

    • Enter an address string using IPv6 dotted notation.

    • Click the DNS Lookup... button. Then type a fully qualified domain name and click OK.

    • If you selected Group of Computers, enter the beginning IP address for the range of addresses in the Network ID field. Then in the Subnet prefix length box, type the ending IP address for the range of addresses. If you use the IPv4 dotted notation, the Subnet mask length: defaults to 24. If you select IPv6 protocol, the Subnet mask length: defaults to 48.

Note: Only one SIP line per port per protocol can grant all access.  IP address entries must be unique per port per protocol.

  1. Do one of the following:

    • Click OK to close the dialog box.

    • Click Apply to save your changes and continue with the configuration process.

Related topics

SIP line access concepts

SIP line access options

Configure a SIP line

Lines concepts