The signalling function of a telephone network is related to the transfer of control information between the different terminals, switching nodes and users of the network. Signalling functions can be divided into two types: Supervisory and Information Bearing. Supervisory signals indicate the status or control of network elements. Call alerting, call termination and busy tones are examples of Supervisory signals. Calling party address, toll charges and called party address are examples of Information Bearing signals.
the difference between channel and medium is that channel is the form how the message will be while medium is the actual message
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1: Voice channels must have A/D Converter in the input of it . 2: Data channels have not A/D converter .
A port is either a natural or man-made inlet that allows ships and boats to dock. A channel is a small section of Ocean that separates two countries, such as the English Channel.
The word link refers to the physical path. The word channel refers to the portion of a link that carries a transmission between a given pair of lines. One link can have many (n) channels.
One signaling path needed per trunk groupFaster and simpler to transfer information between control processorsNo possibility of interference with speech pathSignaling can't be accessed by customer.Value-added services of a signaling control pointShared processing for small officesAllows centralized decision making (flow mgmt)Permits Advanced Intelligent Network (AIN) services
Channel-associated signaling (CAS) is a form of signaling used in telecommunications systems where signaling information is transmitted on the same channel as the voice data. This contrasts with common-channel signaling where a separate signaling channel is used. CAS is simpler and more widely supported in legacy systems, but it can be less efficient and flexible compared to common-channel signaling.
A connection between two exchanges connection
what is the difference between the ocean the sea and a sea channel
the difference between channel and medium is that channel is the form how the message will be while medium is the actual message
In telephony, signaling is the exchange of information between involved points in the network that sets up, controls, and terminates each telephone call. In in-band signaling , the signaling is on the same channel as the telephone call. In out-of-band signaling , signaling is on separate channels dedicated for the purpose.
In-Band Signaling (IBS)
differenve between frequency management and channel assignement
In-channel signaling is also often referred to as in-band signaling. See http://en.wikipedia.org/wiki/Signalling_(telecommunications)#In-Band_versus_Out-Of-Band and http://en.wikipedia.org/wiki/In-band_signaling.The signaling used to establish and tear down a phone call was located in the same physical communication channel used to carry the call (i.e voice, fax or modem) traffic, and used DTMF tones. Examples are CCITT Signaling Systems 1-5 R1 & R2. Most books on SS7 should talk briefly about this.SS6 & SS7 moved to take the signaling out-of band, and to establish a common channel for all signaling in digital packet-based format (non-tone based) allowing one signaling channel to control a large number of "voice" circuits.
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The difference between 150 and 350 digital channel feed in the cable TV lies with the quality of the video.
a straight is narrow body of water, and a channel is a wider body of water.