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Call forwarding can be Conditional or Unconditional. Conditional call forwarding only works when the conditions set by the customers met while Unconditional call forwarding works in all cases irrelevant of network coverage. In Europe, most networks indicate that unconditional call forwarding is active with a special dial tone. When the phone is ...
Remote call forwarding is also a means for a suburban business to obtain a city-centre local number (with its full large-city coverage area) for inbound calls; while cheaper than a foreign exchange line, this can reduce long-distance telephony costs in markets where local calls are flat-rated but trunk calls are expensive.
Perfect forwarding, a feature of the programming language C++11; Port forwarding, the act of forwarding a network port from one network node to another; Reverse-path forwarding, a technique used in routers for ensuring loop-free forwarding of packets in multicast routing and to help prevent IP address spoofing in unicast routing
Call waiting is a telephone service where a subscriber can accept a second incoming telephone call by placing an in-progress call on hold—and may also switch between calls. With some providers it can be combined with additional features such as conferencing, call forwarding, and caller ID. Call waiting is intended to alleviate the need to ...
Unstructured Supplementary Service Data (USSD), sometimes referred to as "quick codes" or "feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers.
Default Forwarding (DF) PHB — which is typically best-effort traffic; Expedited Forwarding (EF) PHB — dedicated to low-loss, low-latency traffic; Assured Forwarding (AF) PHB — gives assurance of delivery under prescribed conditions; Class Selector PHBs — which maintain backward compatibility with the IP precedence field.
In 1998, Call-Net acquired long-distance service and data-circuit provider Fonorola of Montreal for about $1.8 billion and merged it into Sprint Canada. On May 11, 2005, Rogers Communications Inc. and Call-Net jointly announced that they entered into an agreement under which RCI would acquire 100% of Call-Net under a plan of arrangement ( [1] ).
VoLTE calling. Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1] [2] VoLTE has up to three times more voice [3] and data capacity than older 3G UMTS and up to six times more than 2G GSM.