Application Notes for Spectralink Versity Enterprise Wi-Fi Smartphones with Avaya IP Office Server Edition - Issue 1.0
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Avaya IX Workplace Help - SIP Registrar FQDN must be set and must be reachable from external address - Avaya: IP Office - Tek-Tips
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Configure Q.SIG PRI Trunks between Call Manager and Avaya S8700/G650 with Unity Voice Mail Integration - Cisco
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