Connecting LQ SIP to Cisco Call Manager (CUCM)

Cisco Call Manager is a very common SIP provider. LQ is expecting either single SIP Client accounts or a SIP Client (Advanced) eight-port device to be configured - it is unable to handle SIP Trunks.

When setting up multiple SIP client connections, LQ will often easily connect to the first registration, but fail for subsequent logins. The first course of action to remedy this is to reboot the LQ - this will force a connection attempt of all SIP Clients at once which Cisco will accept.

If given a choice, choose Third-Party SIP Advanced - Standard SIP Non-Secure, and turn off Digest Authentication



  1. Creating the first line: Adding a New End User (user 1)

    • CUCM > User Management > End User

    • Select Add New

      • Add a unique User ID (Use the full 5 digit or 10 digit extension number only for the User ID)

      • Assign a Password

      • Confirm Password

      • Add a Last Name (can set for line use (IFB, Phoner, etc) or as user ID to see user/extension as caller ID)

      • Enter a User Locale (location)

      • Enter Digest Credential (can be same as password)

      • Confirm Digest Credential

        • Save End User Configuration

  1. Creating the SIP Account: Adding a New Device

    • CUCM > Device > Phone

      • Add New Device

        • Phone Type: Select Third-party SIP Device (Advanced)

          • Select NEXT

            • MAC: enter all 0s with a 1 at the end (or specific device MAC address)

            • Description: enter an identifier for the device on the network

            • Device Pool: default

            • Phone Button Template: Third-party SIP Device (Advanced)

            • Owner User ID: (use the user ID created above)

            • Protocol Specific Information:

              • Device Security Profile: Third-Party SIP

              • SIP Profile: Standard SIP Profile

              • Digest User: (use the first user created)

            • Save the New Device Configuration

            • Scroll to the bottom and Apply Configuration

  1. Adding Line to the Account

    • Scroll to the top-left

    • Select Line [1] - Add a new DN

      • Directory Number: same as the End User from above

      • Select Save

    • Scroll to the bottom Users Associated with Line, and select Associate End Users

      • Select the first line and Add Selected (to associate the Directory Number with the User ID)

    • Scroll to the bottom Users Associated with Line, and select the associated user (hyperlink)

      • Select Device Association

      • In User Device Association, select the Phone Icon with the device description for the new line

      • Save Selected/Changes

    • In User Management > End User > First User

      • Scroll down to Directory Number Associations

      • Set Primary Extension to the first End User

      • Verify Primary User Device matches the first End User (or the SIP Phone just created)

      • Save Configuration



  1. On the LQ Device, navigate the CCM > Accounts > SIP

    • Label: label of Server or Phone System (description of account)

    • Registrar/Proxy IP/Hostname: connection to Cisco Call Manager system

    • Registrar/Proxy Port: port of Cisco Call Manager system

    • Domain: domain of Cisco Call Manager system (if hosted)

      • Under Accounts, setup your first user account

        • Label: Label within the LQ software/system

        • User: User ID within the CUCM software/system (User ID needs to be the full 5 digit or 10 digit extension number)

        • Password: Password within the CUCM software/system

        • LQ Assignment: assign to the LQ hosting the SIP Connection



  1. Setup Additional Lines (users 2-8)

    • CUCM > User Management > Add New

      • Add a unique User ID

      • Assign a Password

      • Confirm Password

      • Add a Last Name (can set for line use (IFB, Phoner, etc) or as user ID to see user/extension as caller ID)

      • Enter a User Locale (location)

      • Enter Digest Credential (can be same as password)

      • Confirm Digest Credential

        • Save End User Configuration

      • Adding to Existing Device

        • CUCM > Device > Phone

          • Select the LQ Device previously configured for the first line

        • Select Line [2] - Add a new DN

          • Directory Number: select the new End User from above (user 2)

          • Select Save

        • Scroll to the bottom Users Associated with Line, and select Associate End Users

          • Select the new line and Add Selected (to associate the Directory Number with the User ID)

          • Save Selected/Changes

        • Scroll to the bottom Users Associated with Line, and select the associated user

          • Select Device Association

          • In Directory Number Associations, set the Primary Extension to the End User created above for the second line.

          • Save Selected/Changes

        • In User Management > End User > New End User

          • Scroll down to Primary Extension

          • Verify Primary User Device matches the first End User (or the SIP Phone just created)

          • Save Configuration

        • On the LQ Device, navigate to CCM > Accounts > SIP

          • Add the second line under the SIP Account

          • Navigate the Device > Maintenance

            • Select Reboot

          • Once rebooted, verify both (or all) extensions/lines/users are registered and connected



We Have Provided Step-by-Step Directions In This Video

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