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In iOS, the connection activities are full automatically managed by
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2. Connection errors
The user can be warned about an error or any other bad condition of the application in two ways, with a pop-up (fig 2.1) in case of an error or with a brief message onto the notification area (fig. 2.2) of the keypad view
- Network error:
- No network: this occurs when you are in an out of coverage area
- Connection error: the application is not connected to server when you tried to place a call; it'll make another attempt immediately
- Configuration error
- Credentials not configured: you need to execute the Activation Wizard to let the application know the parameters of the SIP connection
- Registration error: the SIP server or proxy address cannot be resolved; this could depend on a misconfiguration of the application or a temporary down of the SIP server
- Application status warning
- Waiting to reconnect to the server: the application tried to connect too many times without success and it'll wait some minutes before next retry
- Activation required: this copy of the software has not yet been activated; please ask for a licence code to the company
- Expired: the licence associated to this copy of the software is no longer valid; please renew your subscription
- Connection status messages
- Connecting to "server name": the application is trying to connect to the server and user credentials with the configuration provided
- Connected to "server name (bearer)": the application is connected to the server using indicated channel and it's ready to make secure calls
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