Softswitch & Application Servers
A softswitch is a centrally located device in a network which connects telephone calls from one phone line to another, entirely by means of a specialized software running on a computer…
Checking Holding Down Bolts
The classification societies requirement is that holding down bolts be checked by a surveyor, within each survey circle. this interval of time may be too long and the bolts should…
IP Multimedia Subsystem (IMS)
IP Multimedia Subsystem (IMS) is an architectural framework for offering multimedia and voice over IP services. IMS is access independent as it supports multiple access types including GSM, WCDMA, CDMA2000,…
Troubleshooting Combustion in Marine Engines
Marine fuels used in ships are considered of the lowest grade as far as the quality is concerned. Massive engines of the ships consume thousands of litres of fuel each…
Session Border Controller (SBC)
VoIP growth is undeniable and many service providers are using IP networks to reduce operational costs of trunking PSTN traffic between central offices. However, this growth resides in VoIP islands…
IP Core/Edge Networks
Core network and backbone network typically refer to the high capacity communication facilities that connect primary nodes. Core/backbone network provides path for the exchange of information between different sub-networks. Edge…
CONNECTING DEVICES
The five categories contain devices which can be defined as 1. Those which operate below the physical layer such as a passive hub. 2. Those which operate at the physical…
BLUETOOTH
Bluetooth is a wireless LAN technology designed to connect devices of different functions such as telephones, notebooks, computers (desktop and laptop), cameras, printers, coffee makers, and so on. A Bluetooth…
What To Do When Black Smoke Is Coming Out Of Ship’s Funnel At Port?
If you work in a ship’s engine room, you must have received a call at least once from the bridge about port workers/authority complaining of black smoke coming out of…
Hydrophore System In Ship
A hydrophore system is used on a ship to maintain constant water pressure to all parts of a ship ( varying over different lengths and heights ) at all times…


