The telephony system provides for the following features:
- Cisco IP Telephony on a high-end router running Cisco Callmanager Express, allowing to serve on-board local, as well as the outgoing and incoming calls. The Cisco Callmanager Express has been configured to support seamless failover;
- Ability to place 20 simultaneous incoming/outgoing phone calls to and from the vessel by utilizing voice transmission equipment over the satellite link;
- Integration of IP Telephony with 40 analog lines through FXS/FXO (Foreign Exchange Subscriber/Office) ports allowing to use the
existing analog phones and external GSM/Inmarsat lines as part of the telephony system;
- Integration of IP Telephony with International VoIP system and compatibility with global VoIP telephony, allowing to place free of charge calls;
- Integration of IP Telephony with GSM Network system allowing to place and receive calls from GSM phones to the IP phones directly;
- Integration of IP Telephony with INMARSAT service allows passing call through, in case the primary links are unavailable, for certain predefined IP Phones;
- PLAR (Private Line Auto Ringdown) and DID (Direct-Inward-Dial) functionalities that will enable 24 UK telephone numbers and 2 Cyprus numbers to be received on specific IP Phones;
- Ability to use Cisco wireless IP Phone handsets in the same way as the fixed IP Phones;
- Call functionalities such as call waiting (dual line), call transfer, call hold, conference call, call forwarding, call pick up, intercom, call history and DND (Do Not Disturb);
- Remote manageability of the IP Telephony system;
- Local on-board manageability through web-based GUI (Graphic User Interface);
- Integration with billing platform, allowing to have detailed CDR (Call Details Record) per room/cabin, provided DID is not hidden.
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