Inter-working function: Difference between revisions
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{{Short description|Type of telecommunications infrastructure system}} |
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The '''inter-working function''' ('''IWF''') is a method for interfacing a [[wireless telecommunication]] network with the [[public switched telephone network]] (PSTN). The IWF converts the data transmitted over the air interface into a format suitable for the PSTN.<ref>{{cite web |title=IWF Interworking Function |url=https://www.mpirical.com/glossary/iwf-interworking-function |publisher=Mpirical |access-date=19 February 2023}}</ref> |
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The '''Inter-working Function''' (IWF) is a method for interfacing a wireless telecommunication network with the PSTN [[Public Switched Telephone Network]]. The IWF converts the data transmitted over the air interface in to a format suitable for the PSTN [[Public Switched Telephone Network]]. IWF contains both the hardware and software elements that provide the rate adaptation and protocol conversion between a landline destination [[Public Switched Telephone Network]] (PSTN) and the network for both data and [[fax]] services. The IWF is required as a network element to support circuit switched data. |
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IWF contains both the hardware and software elements that provide the rate adaptation and [[network protocol|protocol]] conversion between PSTN and the wireless network. |
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Some systems require more IWF capability than others, depending on the network which is being connected. The IWF also incorporates a "[[modem]] bank", which may be used when, for example, the [[GSM]] [[data terminal equipment]] (DTE) exchanges data with a land DTE connected via analogue modem |
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The IWF provides the function to enable the GSM system to interface with the various |
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forms of public and private data networks currently available. |
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The basic features of the IWF are: |
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* Data rate adaption |
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* Protocol conversion |
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==References== |
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{{Reflist}} |
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{{DEFAULTSORT:Inter-working function}} |
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[[Category:Wireless networking]] |
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[[Category:Telephony]] |
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Latest revision as of 18:44, 7 May 2023
 | This article needs additional citations for verification. (February 2023) |
The inter-working function (IWF) is a method for interfacing a wireless telecommunication network with the public switched telephone network (PSTN). The IWF converts the data transmitted over the air interface into a format suitable for the PSTN.[1]
IWF contains both the hardware and software elements that provide the rate adaptation and protocol conversion between PSTN and the wireless network. Some systems require more IWF capability than others, depending on the network which is being connected. The IWF also incorporates a "modem bank", which may be used when, for example, the GSM data terminal equipment (DTE) exchanges data with a land DTE connected via analogue modem
The IWF provides the function to enable the GSM system to interface with the various forms of public and private data networks currently available. The basic features of the IWF are:
- Data rate adaption
- Protocol conversion
References
[edit]- ^ "IWF Interworking Function". Mpirical. Retrieved 19 February 2023.
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