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Help contents > Managing SIP registrars  > Configuring SIP settings

Configuring SIP settings

To display the SIP settings page, go to Settings > SIP.

The SIP settings page lists the SIP registrars configured on the IP gateway. It also shows the IP address, registrar type, and the status for each SIP registrar.

You can configure up to five SIP registrars on the IP gateway.

To add a new SIP registrar, select Add registrar.

To delete a configured SIP registrar, check the one you want to delete and select Delete selected.

To edit the settings of a configured SIP registrar, click the name of the registrar (refer to Configuring SIP registrar settings).

Field Field description
Name

The name of the SIP registrar.
Address

The IP address or host name of the SIP registrar.

Type

The type of SIP registrar, which will be one of:

  • Standard SIP: for non-Microsoft SIP registrars
  • Microsoft LCS: for Microsoft SIP registrars
Status

The status of the IP gateway with this SIP registrar. The status will be one of:

  • Registered: the IP gateway is registered with the SIP registrar
  • Registering: the IP gateway is registering with the SIP registrar
  • Unregistered: the IP gateway is not registered with the SIP registrar

SIP settings

Field Field description
Username

The global SIP login name for the IP gateway. This will be used where necessary for user identification, and authentication in SIP calls where there is no registrar.

Password

The global SIP password for the IP gateway. This will be used where necessary for user identification, and authentication in SIP calls where there is no registrar.

SIP proxy address

Identifies the network address of the SIP proxy. If you have a SIP proxy and a SIP caller does not use the SIP registrar, the call will try and use the proxy to resolve the address for the call.
Maximum bit rate from Microsoft OCS/LCS clients

Select a maximum bit rate to use from Microsoft OCS/LCS clients.

Microsoft OCS/LCS clients will try to use the maximum bit rate that the IP gateway advertises during the initial call setup. In most scenarios, you will not want OCS/LCS clients to use the Default bandwidth from IP gateway that is configured on the Settings > Calls page (Configuring global call settings). Use this setting to select an appropriate bit rate for Microsoft OCS/LCS clients.

<limit disabled> will cause the IP gateway to advertise the Default bandwidth from IP gateway.

Outgoing transport

The global setting for the protocol to be used for call control messages for outgoing call connections. This setting will only be used where SIP is used without a registrar.

If your SIP devices use TCP, select TCP as the outgoing transport. If your SIP devices use UDP, select UDP as the outgoing transport. If you want to use encrypted SIP, select TLS. Note that if you want to use encrypted SIP:

  • the IP gateway must have the encryption feature key
  • encryption must be enabled unit-wide on the Settings > Calls page
  • the TLS service must be enabled on the Network > Services page

The IP gateway accepts incoming connections using TCP, UDP, or TLS providing those services are enabled on the Network > Services page (Configuring network services).

 

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