# Mitel CloudLink Gateway

CloudLink Gateway is a device that connects the MiVoice Office 400 to the CloudLink Platform. The CloudLink Platform provides communication services to CloudLink apps such as Mitel One.

On the MiVoice Office 400, the CloudLink Gateway can be integrated as a standalone platform with an external gateway or as an embedded gateway on the SMBC platform. The CloudLink Gateway can also be installed as Virtual Appliance.

Before configuring the CloudLink Gateway on MiVoice Office 400, you must set up an administrator user for managing the gateway and Mitel One users.

## Prepare MiVoice Office 400

To create an access account in MiVoice Office 400, proceed as follows:

1. Navigate to Configuration > System > Access control > User account.

2. Click New.

3. Enter Username and Password.

4. In Authorization profile field, select CloudLink access from the drop-down list.

5. In FTP root directory field, select Read and Write.

6. Click Apply.

## Licensing

All licensing is done on MiVoice Office 400.

- Active Software Assurance (SWA) for MiVoice Office 400 is required.

- For a user with a User License, the Mitel One terminal requires an MMC Extension license.

- For a user with an IP User License, the Mitel One terminal requires an MMC Extension license.

- For Entry, Standard, and Premium UCC License Bundles, the MMC Extension License is included.

## Enabling CSTA Services

Enable CSTA services (Configuration / IP Network / IP Security / CSTA service) and assign default CSTA port number (7001).

## Prepare users for Mitel One softphone terminals

During the onboarding process, the CloudLink platform gets access to MiVoice Office 400 via the CloudLink Gateway and collects the relevant data.

To prepare the Mitel One users, proceed as follows:

1. In the user list view, create a user or choose an already created user (Configuration / Users).

2. Make sure the user has a name and an e-mail address.

3. When users register their Mite One for the first time, the Mitel One softphone terminal is created and assigned to that user on the MiVoice Office 400 PBX.

Once the users are configured, the next step of the integration is to onboard customers to the CloudLink platform. Refer to the mitel.help for information about onboarding customers.

When onboarding is complete, the configuration on MiVoice Office 400 is automatically populated.

Verify the fields in the Mitel CloudLink Gateway Service interface to complete the integration.

Table 1. General
Parameter | Explanation
Service enabled | Activates the CloudLink service.
IP address / host name | CloudLink server IP address.
Port | CloudLink server SIP port.
Transport protocols | Protocol to be used for communication. You can select from UDP, TCP, and UDP or TCP.
Bandwidth control area | Predefined broadband range used for this CloudLink Gateway.
User name (SIP/LDAP/CSTA) | Access information for the CloudLink server, used to access the MiVoice Office 400 communication server (these values can only be changed in access control).
Password (SIP/LDAP/CSTA)
Route for outgoing calls | Routing parameter to route outgoing calls.
Relay RTP data via communication server (indirect switching) | Activates indirect switching for calls via CloudLink.
Use CLIP no screening for GSM calls | If a customer calls in and the system sends this call further to the user with Mitel One via GSM, the configured “Call through” number is sent out as CLI. If a customer calls in and the system sends this call further to the user with Mitel One via GSM, the customer's CLI is sent along. Pre-condition: Mitel One app sets the parameter Use GSM to active. For an incoming call addressed to the Mitel One user as a destination, the call is routed to the GSM or mobile device directly and not to the Mitel One app. The call routing is done by the MiVoice Office 400 via the configured SIP provider. In this scenario, the SIP messages (e.g. INVITE) that are sent from the MiVoice Office 400 to the SIP provider contain the configured “call through number” in the SIP From field instead of the internal user number. This is necessary for some SIP provider to uniquely identify the SIP account, to be able to process the call.

Table 2. DDI (DID) number
Parameter | Explanation
DDI plan | Select an unused DDI number from the list.
Call Through | Direct DDI number.

Table 3. Mitel One client dial-in numbers
Parameter | Explanation
Call Through | Direct call through number for OfficeLink clients.
Call-through number send to | Diversion Header: External calling CLIP is displayed on Mitel One user's GSM number. The Call Through number is sent in the Diversion Header of a SIP message. ‘From’ field: CLIP number set in Call through field is displayed on Mitel One user's GSM mobile number.

Table 4. SIP Signalling
Parameter | Explanation
Enable keep alive | Enables keep alives in SIP messages.
Music on hold | Enable music on hold.
Music on hold: Signalling | Signalling configuration for music on hold.
Sending redirecting information | Configuration to specify how the redirect information should be sent in SIP messages.
Send session refresh | Allows session refresh to be sent between SIP messages.
‘From’ field for CLIR | Access information for the CloudLink server, used to access the MiVoice Office 400 communication server (these values can be changed only in access control).
Session replacement support

For embedded gateway deployment on SMBC platform, refer to the SMBC online help.

Parent topic: Mitel Mobile Client
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