terminal 1 according to the invention as shown in fig1 comprises a processor 11 coupled to a decoder 12 and to a transceiver 13 and to a coder 14 , and comprises a man - machine - interface ( for example a mouse , a keyboard , a display , a loudspeaker , a microphone etc .) or mmi 15 coupled to a memory 16 and to a terminal - generator 17 . decoder 12 is coupled via a connection 61 to mmi 15 , processor 111 is coupled via a connection 62 to memory 16 and via a connection 63 to mmi 15 and via a connection 64 to terminal - generator 17 , and coder 14 is coupled via a connection 65 to mmi 15 . transceiver 13 is coupled via a connection 31 to a network - entity or switch 4 . terminal 2 according to the invention as shown in fig1 comprises a processor 21 coupled to a decoder 22 and to a transceiver 23 and to a coder 24 , and comprises a man - machine - interface ( for example a mouse , a keyboard , a display , a loudspeaker , a microphone etc .) or mmi 25 coupled to a memory 26 and to a terminal - generator 27 . decoder 22 is coupled via a connection 71 to mmi 25 , processor 21 is coupled via a connection 72 to memory 26 and via a connection 73 to mmi 25 and via a connection 74 to terminal - generator 27 , and coder 24 is coupled via a connection 75 to mmi 25 . transceiver 23 is coupled via a basestation 3 and a connection 35 to said network - entity or switch 4 . network - entity 4 according to the invention as shown in fig1 comprises a processor 41 coupled to a detector 42 and to a switch - generator 43 , and comprises a coupler 44 and a memory 45 coupled to a first part 46 and to a second part 47 . processor 41 is coupled via a connection 81 to coupler 44 , detector 42 is coupled via a connection 82 to coupler 44 , and switch - generator 43 is coupled via a connection 83 to coupler 44 . coupler 44 is coupled to said connections 31 and 35 , and is further coupled to connections 32 - 34 and 36 - 40 , whereby connections 37 - 39 flow into int ( e ) r ( a ) net 5 . memory 45 is coupled via a connection 84 to coupler 44 , first part 46 is coupled via a connection 85 to coupler 44 , and second part 47 is coupled via a connection 86 to coupler 44 . terminals 1 and 2 according to the invention and switch 4 according to the invention as shown in fig1 function as follows . according to a first embodiment , a user operating terminal 1 decides to go surfing the web . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a first code ( for example comprising a telephone number and an access number and a service number ) which via mmi 15 and connection 65 is supplied to coder 14 . said first code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the first code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain coupling and / or per certain user and / or per certain terminal coupling information like one or more parts of said first code ), all under control of processor 41 , both possibly after a decoding process . in response to detection , at least a part of said first code , possibly after a coding process , is sent via coupler 44 and for example connection 37 to an internet for surfing purposes . as a result , said user is visiting a website defined by ( a part of ) said first code . then said user decides to visit his intranet for example , thereby realising that later said user will wish to return to said internet website . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a second code ( for example indicating a call - on - hold situation and possibly for example further comprising a further access number and a further service number ) which via mmi 15 and connection 65 is supplied to coder 14 . said second code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the second code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain coupling and / or per certain user and / or per certain terminal coupling information like one or more parts of said first code together with one or more parts of said second code like a call - on - hold indicator ), all under control of processor 41 , both possibly after a decoding process . in response to detection , the visiting of said internet website via connection 37 is interrupted , and at least a part of said second code , possibly after a coding process , is sent via coupler 44 and for example connection 39 to an intranet for getting company information . as a result , said user is visiting an intranet site defined by ( a part of ) said second code . then said user decides to return to said internet website . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a third code ( for example indicating to reverse said call - on - hold situation ) which via mmi 15 and connection 65 is supplied to coder 14 . said third code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the third code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes , all under control of processor 41 , both possibly after a decoding process . in response to detection , the visiting of said intranet site via connection 39 is interrupted and / or finished , and at least a part of said coupling information , possibly after a coding process , is sent via coupler 44 and for example connection 37 to said internet for surfing purposes . as a result , said user has returned to visiting said website ( defined by ( a part of ) said first code ). according to a first alternative to said first embodiment , a user operating terminal 1 decides to go surfing the web . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a first code ( for example comprising a telephone number and an access number and a service number ) which via mmi 15 and connection 65 is supplied to coder 14 . said first code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the first code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain coupling and / or per certain user and / or per certain terminal coupling information like one or more parts of said first code ), all under control of processor 41 , both possibly after a decoding process . in response to detection , at least a part of said first code , possibly after a coding process , is sent via coupler 44 and for example connection 37 to an internet for surfing purposes . as a result , said user is visiting a website defined by ( a part of ) said first code . then said user decides to leave terminal 1 , for example due to going to travel , thereby realising that while being mobile , said user will wish to return to said internet website . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a second code ( for example indicating a call - on - hold situation ) which via mmi 15 and connection 65 is supplied to coder 14 . said second code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the second code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain coupling and / or per certain user and / or per certain terminal coupling information like one or more parts of said first code together with one or more parts of said second code like a call - on - hold indicator ), all under control of processor 41 , both possibly after a decoding process . in response to detection , the visiting of said internet website via connection 37 is interrupted . then said user activates his mobile terminal 2 and while being mobile , said user decides to return to said internet website . thereto , via mmi 25 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 73 , processor 21 and connection 74 , are supplied to terminal - generator 27 . in response , terminal - generator 27 generates a third code ( for example indicating to reverse said call - on - hold situation ) which via mmi 25 and connection 75 is supplied to coder 24 . said third code is coded and via transceiver 23 and base station 3 and connection 35 supplied to switch 4 . in switch 4 , the third code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes , all under control of processor 41 , both possibly after a decoding process . in response to detection , at least a part of said coupling information , possibly after a coding process , is sent via coupler 44 and for example connection 37 to said internet for surfing purposes . as a result , said user , but now via his mobile terminal 2 , has returned to visiting said website ( defined by ( a part of ) said first code ). according to a second alternative to said first embodiment , a user operating terminal 1 decides to go surfing the web . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a first code ( for example comprising a telephone number and an access number and a service number ) which first code is supplied to and stored in memory 16 ( thereby storing for example in a table memory per certain coupling and / or per certain user coupling information like one or more parts of said first code ) and which first code via mmi 15 and connection 65 is supplied to coder 14 . said first code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the first code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes , all under control of processor 41 , both possibly after a decoding process . in response to detection , at least a part of said first code , possibly after a coding process , is sent via coupler 44 and for example connection 37 to an internet for surfing purposes . as a result , said user is visiting a website defined by ( a part of ) said first code . then said user decides to visit his intranet for example , thereby realising that later said user will wish to return to said internet website . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a second code ( for example indicating a call - on - hold situation and possibly for example further comprising a further access number and a further service number ) which second code is supplied to and stored in memory 16 ( thereby storing for example in a table memory per certain coupling and / or per certain user coupling information like one or more parts of said first code together with one or more parts of said second code like a call - on - hold indicator ) and which second code via mmi 15 and connection 65 is supplied to coder 14 . said second code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the second code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes , all under control of processor 41 , both possibly after a decoding process . in response to detection , the visiting of said internet website via connection 37 is interrupted , and at least a part of said second code , possibly after a coding process , is sent via coupler 44 and for example connection 39 to an intranet for getting company information . as a result , said user is visiting an intranet site defined by ( a part of ) said second code . then said user decides to return to said internet website . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a third code ( for example indicating to reverse said callon - hold situation ) which third code via memory 16 is provided with at least a part of said coupling information . said third code then is supplied via mmi 15 and connection 65 to coder 14 . said third code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the third code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes , all under control of processor 41 , both possibly after a decoding process . in response to detection , the visiting of said intranet site via connection 39 is interrupted and / or finished , and at least a part of said coupling information , possibly after a coding process , is sent via coupler 44 and for example connection 37 to said internet for surfing purposes . as a result , said user has returned to visiting said website ( defined by ( a part of ) said first code ). according to a third alternative to said first embodiment , in addition to said first codes and / or to said second codes and / or to said third codes , at least one fourth code is generated , via user actions and / or automatically , for example comprising a pin code and / or in repsonse to a finger print detection or voice recognition etc . for security reasons , like checking the identity and / or authority of the user etc . according to a second embodiment , a user operating terminal 1 decides to go surfing the web . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a first code ( for example comprising a telephone number and an access number and a service number ) which via mmi 15 and connection 65 is supplied to coder 14 . said first code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the first code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain coupling and / or per certain user and / or per certain terminal coupling information like one or more parts of said first code ), all under control of processor 41 , both possibly after a decoding process . in response to detection , at least a part of said first code , possibly after a coding process , is sent via coupler 44 and for example connection 37 to an internet for surfing purposes . as a result , said user is visiting a website defined by ( a part of ) said first code . in response to further user actions , via mmi 15 , ( one or more further mouse clicks and / or one or more further key signals ), further instructions are supplied to terminal - generator 17 . in response , terminal - generator 17 generates further first codes ( for example further service numbers ) which via mmi 15 and connection 65 are supplied to coder 14 . said further first codes are coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the further first codes flow via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain coupling and / or per certain user and / or per certain terminal further coupling information like one or more parts of said further first codes ), all under control of processor 41 , both possibly after a decoding process . in response to detection , at least parts of said further first codes , possibly after a coding process , are sent via coupler 44 and for example connection 37 to said internet for surfing purposes . as a result , said user is visiting further websites defined by ( parts of ) said further first codes . then said user decides to finish this internet session , thereby realising that later said user will wish to return to for example the further internet website visited lastly . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 111 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a second code ( for example indicating a session - park situation ) which via mmi 15 and connection 65 is supplied to coder 14 . said second code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the second code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes ( thereby storing for example in a table memory per certain user and / or per certain terminal ( further ) coupling information like one or more parts of said ( further ) first code ( s ) together with one or more parts of said second code like a session - park indicator ), all under control of processor 41 , both possibly after a decoding process . in response to detection , the visiting of said internet website via connection 37 is finished . as a result , said user is no longer visiting ( further ) websites , with coupling information being stored defining ( at least a part of ) the last websites . then said user decides to return to for example said last internet website . thereto , via mmi 15 , user actions ( one or more mouse clicks and / or one or more key signals ) are converted into instructions which , possibly via connection 63 , processor 11 and connection 64 , are supplied to terminal - generator 17 . in response , terminal - generator 17 generates a third code ( for example indicating to continue said session - park situation ) which via mmi 15 and connection 65 is supplied to coder 14 . said third code is coded and via transceiver 13 and connection 31 supplied to switch 4 . in switch 4 , the third code flows via coupler 44 to detector 42 via connection 81 for detection purposes and to memory 45 via connection 84 for storage purposes , all under control of processor 41 , both possibly after a decoding process . in response to detection , at least a part of said further coupling information , possibly after a coding process , is sent via coupler 44 and for example connection 37 to said internet for surfing purposes . as a result , said user has continued to visiting said last website , thereby using the session - park feature . according to a first alternative to said second embodiment , said third code is generated via said mobile terminal 2 . according to a second alternative to said second embodiment , storage is done via said memory 16 . according to a third alternative to said second embodiment , said fourth code is generated , in addition to said first codes and / or to said second codes and / or to said third codes . all embodiments are just embodiments and do not exclude other embodiments not shown and / or described . all alternatives are just alternatives and do not exclude other alternatives not shown and / or described . each ( part of an ) embodiment and / or each ( part of an ) alternative can be combined with any other ( part of an ) embodiment and / or any other ( part of an ) alternative . terms like “ in response to k ” and “ in dependence of l ” and “ for doing m ” do not exclude that there could be a further “ in response to n ” and a further “ in dependence of o ” and a further “ for doing p ” etc . each one of said codes , instead of sometimes comprising many subcodes ( like said first code for example comprising a telephone number and an access number and a service number ; and like said second code for example comprising a deactivation - subcode indicating a call - on - hold situation and possibly for example further comprising a further access number and a further service number , or for example comprising a deactivation - subcode indicating a session - park situation ), can of course be replaced by one or more of said subcodes ( for example in response to one or more user actions ). said second code , however , will always at least comprise a deactivation - indication , preferably a deactivation - type . each one of said terminals 1 and 2 may be a wired terminal , a wireless terminal ( cordless , mobile etc .) etc . in the form of a communication apparatus ( telephone , screenphone etc .) and / or an information apparatus ( pc , etc .) etc . said network - entity may be a switch , a router , a bridge or a base station etc . said terminals and / or network - entities may form part of a public network , a private network , a lan etc . and further network - entities not shown are not to be excluded . each connection between terminals and / or network - entities may be circuit switched and / or packet switched . each one of said codes may comprise an identifier for identifying a terminal and / or a user and / or a network - entity , and / or may be accompanied by such an identifier , and / or may be linked to an identifier due to a predefined wired connection being used and / or a predefined timeslot being used and / or a predefined channel being used etc . each numbered block shown in fig1 forms part of a larger group of blocks , always comprising an unnumbered block , to indicate that each block may be 100 % hardware , or 100 % software , or a mixture of both , with an unnumbered block defining a kind of an interface function . each two or more blocks can be integrated into a new larger block , and each block can be cut into separate smaller blocks , independently of whether a block comprises hardware or software and independently of a function of such a block .