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Adding or editing an Internet Telephony Service Provider in self-service

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You can configure one or more Internet Telephony Service Providers (ITSPs) on OpenScape Cloud to allow users in a domain to reach and be reachable from the public telephone network.

Prerequisites:
  • You are a domain administrator.

To add or edit an Internet Telephony Service Provider perform the following steps:

  1. On the web client and Desktop App, click your user name in the upper right corner and, then, click Administration.

    If you are administrating the domain on behalf of a customer, click Partner administration instead of Administration, and select the domain you want to administer.

  2. Click the Cloud telephony tab.
  3. Navigate to Manage Settings > Internet Telephony Service Providers.

    All Internet Telephony Service Providers configured in the domain are listed.

  4. Click Add provider or select one from the list.

    A configuration page for the ITSP appears.

  5. From the Internet Telephony Service Provider drop-down list, select the ITSP you want to connect the OpenScape Cloud system with.

    The list includes only ITSP that have been certified to work with OpenScape Cloud and can be configured via Circuit in self-service. If a specific provider is not included in the list, please refer to "Which Internet Telephony Service Providers (ITSPs) does OpenScape Cloud support?" to check if the specific provider is supported so that you can contact your Sales Representative and request its manual provisioning by our Shared Service Centre (SSC).

  6. Enter a custom name for the ITSP in the Custom provider name field.

    Custom provider name must be unique.

  7. From the Language drop-down list, select the language for any announcements played to people calling in via this ITSP.

    The default language is English.

  8. Obtain the necessary information from the selected ITSP in order to establish a successful SIP connection with this provider. The required SIP connection parameters are displayed in the Information obtained from Internet Telephony Service Provider section and can include:
    • Realm: Zone or domain for SIP authentication.

    • Username: User name for SIP authentication.

    • Password: Password for SIP authentication.

    • Signalling address type: Address type of the provider’s SIP server. It can be one of the following: DNS-SRV, FQDN, IP.

    • Provider address: SIP server address of the provider.

    • Provider port: SIP port of the provider.

      SIP port is available to edit when the selected signalling address type is either FQDN or IP.

    • Transport protocol: The transport protocol used for the SIP signalling. It can be one of the following: UDP, TCP, TLS.

    The parameters Realm, Username and Password are only needed, and thus displayed, for some providers.

  9. If the selected ITSP requires you to provide some SIP connection parameters to them before they do:
    1. Click Save as draft.

      The configuration of the ITSP is saved in draft status and OpenScape Cloud reserves an IP address and port to connect to the ITSP.

      The ITSP configuration is shown in the list of Internet Telephony Service Providers along with the reserved IP address and port.

      List of configured ITSPs

       

    2. Provide the reserved IP address and port to the ITSP.
    3. When ready, click the list entry corresponding to that ITSP to continue the configuration.
  10. Enter the SIP connection parameters you obtained from the ITSP, in the Information obtained from Internet Telephony Service Provider section.

    When you select a provider from the Internet Telephony Service Provider drop-down list, some of the corresponding parameters are pre-filled, fully or partially, with default values. These pre-configured values have been tested and verified by OpenScape Cloud. If you decide to change some of them, please make sure you only enter values that match the information obtained from the provider.

  11. Click Save.

The configuration of the ITSP is saved in complete status.

For the connection to the ITSP to be established, the provider needs to configure the endpoint on their side, as well, with the IP address and port communicated by you.

You can, now, proceed to configure one or more sites with public numbers obtained from this provider. For more information please refer to: "Adding a new site".

If you want to delete a configured ITSP, hover over the list entry corresponding to the provider and, then, click Delete to the right of the entry.

 

Futher information
  • You can assign a configured ITSP to one or more sites. Best practice is to use one provider connection for multiple sites instead of having an individual connection per site.

  • The maximum number of ITSP configurations you can save as draft depends on the current number of configured sites and it is calculated by the following formula: <maximum number of draft ITSP configurations> = <number of configured sites> + 1.

  • You are allowed to save an ITSP configuration as draft only when a) you select a provider and enter a custom provider name, b) the draft limit has not be reached, and c) it is required by the ITSP.

  • You are allowed to save the configuration of an ITSP as complete only when you fill-in at least the required fields (highlighted with red asterisks).

  • Deleting an ITSP configuration requires that no sites are associated with it.

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