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Calling via SIP

Device Registration to SIP Server

Registration to the SIP server is crucial for full functionality of the device in a SIP environment.

  1. Go to Calling > SIP of the account to be set up.

  2. Enable the SIP account at the top.

  3. On the Device Identity tab, fill in:

    • Display Name – this text will be displayed to the other party as caller ID.

    • Phone Number (ID) – together with the domain, this number uniquely identifies the device in calls and registration.

    • Domain – set the domain name of the service with which the device is registered. Typically, it is equivalent to the SIP Proxy or SIP Registrar address.

    These three values combined identify the device in the SIP environment.

  4. In Authentication, fill in the login credentials assigned by the SIP server administrator to authenticate the device to the SIP Proxy server. This authentication prevents unauthorized access, fraudulent calls or identity fraud.

    If Authentication ID is not filled in, the device will authenticate with Phone Number.

  5. Under Transport Protocol Options, select the protocol to be used by the SIP server.

  6. Enable the SIP Registrar feature.

  7. Fill in the details of the SIP registrar with which you want to register the 2N device.

    If you leave the Port parameter empty or the parameter value is 0, the default port is applied according to the selected transport protocol.

    Table 1. Default Port Values according to Transport Protocol

    Account

    UDP / TCP

    TLS

    SIP 1

    5060

    5061

    SIP 2

    5062

    5063

    SIP 3

    5064

    5065

    SIP 4

    5066

    5067


  8. The tab header shows the registration status and the registration error messages.

Note

Further SIP account settings are described in Subs. Advanced SIP Account Settings.

Setting Public Device IP Address

This setting is used when the device is located behind a router (NAT) and communicates with the PBX outside the LAN (in the cloud or over the Internet, e.g.). In SIP communication, the device must specify the public IP address under which it is accessible from the Internet. If it sent its internal IP address, the PBX would not be able to route the call or RTP data stream correctly.

If the device and the PBX are on one and the same LAN, it is unnecessary to set the public IP address.

  1. Go to Calling > SIP of the account to be set up.

  2. On the Public IP Address tab select one of the following options:

    • STUN (Automatic) 

      Fill in the details of your STUN server.

    • Enter Manually 

      Enter your own external IP address for the device.

In this section:

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