Communication apparatus

A telephone system comprising:

• a telephone set;
• a first exchanger which is connected, via a single communication line, to said telephone set, said first exchanger connecting said telephone set with a first group of other telephone sets to which different first telephone numbers are allotted according to a first numbering rule;
• and
• a second exchanger which is provided in said single communication line between said telephone set and said first exchanger, said second exchanger connecting said telephone set with a second group of other telephone sets to which different second telephone numbers are allotted according to a second numbering rule different from said first numbering rule,
• said telephone set comprising a data obtaining device which obtains a plurality of sets of first own-telephone-number data each set of which identifies a corresponding one of a plurality of different first own telephone numbers allotted to the telephone set according to said first numbering rule, each of said first own telephone numbers identifying the telephone set from said first group of other telephone sets to which said different first telephone numbers other than said first own telephone numbers are allotted according to said first numbering rule, said data obtaining device obtaining a plurality of sets of second own-telephone-number data each set of which identifies a corresponding one of a plurality of different second own telephone numbers allotted to the telephone set according to said second numbering rule, each of said second own telephone numbers identifying the telephone set from said second group of other telephone sets to which said different second telephone numbers other than said second own telephone numbers are allotted according to said second numbering rule,
• said telephone set further comprising at least one of (a) an information receiver which can receive information from said first and second groups of other telephone sets and (b) an information transmitter which can transmit information to said first and second groups of other telephone sets, said at least one of said information receiver and said information transmitter being operable in each of a plurality of different manners,
• said telephone set further comprising a plurality of memories related with said plurality of different manners, respectively, and at least one of (a) said information receiver receiving a batch of information from one telephone set of said first and second groups of other telephone sets and storing the received batch of information in one of said memories which corresponds to one of said first and second own telephone numbers identified by one of said sets of first and second own-telephone-number data obtained by said data obtaining device from said one telephone set via said single communication line, and (b) said information transmitter transmitting, to one telephone set of said first and second groups of other telephone sets, a batch of information stored in one of said memories which corresponds to one of said first and second own telephone numbers identified by one of said sets of first and second own-telephone-number data obtained by said data obtaining device,
• wherein said at least one of said information receiver and said information transmitter is operable in said each of said different manners at least two manners of which correspond to at least two numbers of said first own telephone numbers, respectively, and correspond to at least two numbers of said second own telephone numbers, respectively.

A telephone system comprising:

• a telephone set;
• a first exchanger which is connected, via a single communication line, to said telephone set, said first exchanger connecting said telephone set with a first group of other telephone sets to which different first telephone numbers are allotted according to a first numbering rule;
• and
• a second exchanger which is provided in said single communication line between said telephone set and said first exchanger, said second exchanger connecting said telephone set with a second group of other telephone sets to which different second telephone numbers are allotted according to a second numbering rule different from said first numbering rule,
• said telephone set comprising a data obtaining device which obtains a plurality of sets of first own-telephone-number data each set of which identifies a corresponding one of a plurality of different first own telephone numbers allotted to the telephone set according to said first numbering rule, each of said first own telephone numbers identifying the telephone set from said first group of other telephone sets to which said different first telephone numbers other than said first own telephone numbers are allotted according to said first numbering rule, said data obtaining device obtaining a plurality of sets of second own-telephone-number data each set of which identifies a corresponding one of a plurality of different second own telephone numbers allotted to the telephone set according to said second numbering rule, each of said second own telephone numbers identifying the telephone set from said second group of other telephone sets to which said different second telephone numbers other than said second own telephone numbers are allotted according to said second numbering rule,
• said telephone set further comprising at least one of (a) an information receiver which can receive information from said first and second groups of other telephone sets and (b) an information transmitter which can transmit information to said first and second groups of other telephone sets, said at least one of said information receiver and said information transmitter being operable in each of a plurality of different manners,
• said telephone set further comprising a plurality of memories related with said plurality of different manners, respectively, and at least one of (a) said information receiver receiving a batch of information from one telephone set of said first and second groups of other telephone sets and storing the received batch of information in one of said memories which corresponds to one of said first and second own telephone numbers identified by one of said sets of first and second own-telephone-number data obtained by said data obtaining device from said one telephone set via said single communication line, and (b) said information transmitter transmitting, to one telephone set of said first and second groups of other telephone sets, a batch of information stored in one of said memories which corresponds to one of said first and second own telephone numbers identified by one of said sets of first and second own-telephone-number data obtained by said data obtaining device,
• wherein said at least one of said information receiver and said information transmitter is operable in said each of said different manners at least two first manners of which correspond to at least two numbers of said first own telephone numbers, respectively, and at least two second manners of which correspond to at least two numbers of said second own telephone numbers, respectively.

A facsimile system comprising:

• a facsimile machine;
• a first exchanger which is connected, via a single communication line, to said facsimile machine, said first exchanger connecting said facsimile machine with a first group of other facsimile machines to which different first facsimile numbers are allotted according to a first numbering rule;
• and
• a second exchanger which is provided in said single communication line between said facsimile machine and said first exchanger, said second exchanger connecting said facsimile machine with a second group of other facsimile machines to which different second facsimile numbers are allotted according to a second numbering rule different from said first numbering rule,
• said facsimile machine comprising a data obtaining device which obtains a plurality of sets of first own-facsimile-number data each set of which identifies a corresponding one of a plurality of different first own facsimile numbers allotted to the facsimile machine according to said first numbering rule, each of said first own facsimile numbers identifying the facsimile machine from said first group of other facsimile machines to which said different first facsimile numbers other than said first own facsimile numbers are allotted according to said first numbering rule, said data obtaining device obtaining a plurality of sets of second own-facsimile-number data each set of which identifies a corresponding one of a plurality of different second own facsimile numbers allotted to the facsimile machine according to said second numbering rule, each of said second own facsimile numbers identify ing the facsimile machine from said second group of other facsimile machines to which said different second facsimile numbers other than said second own facsimile numbers are allotted according to said second numbering rule,
• said facsimile machine further comprising at least one of (a) an information receiver which can receive information from said first and second groups of other facsimile machines and (b) an information transmitter which can transmit information to said first and second groups of other facsimile machines, said at least one of said information receiver and said information transmitter being operable in each of a plurality of different manners,
• said facsimile machine further comprising a plurality of memories related with said plurality of different manners, respectively, and at least one of (a) said information receiver receiving a batch of information from one facsimile machine of said first and second groups of other facsimile machines and storing the received batch of information in one of said memories which corresponds to one of said first and second own facsimile numbers identified by one of said sets of first and second own-facsimile-number data obtained by said data obtaining device from said one facsimile machine via said single communication line, and (b) said information transmitter transmitting, to one facsimile machine of said first and second groups of other facsimile machines, a batch of information stored in one of said memories which corresponds to one of said first and second own facsimile numbers identified by one of said sets of first and second own-facsimile-number data obtained by said data obtaining device,
• wherein said at least one of said information receiver and said information transmitter is operable in said each of said different manners at least two manners of which correspond to at least two numbers of said first own facsimile numbers, respectively, and correspond to at least two numbers of said second own facsimile numbers, respectively.

A facsimile system comprising:

• a facsimile machine;
• a first exchanger which is connected, via a single communication line, to said facsimile machine, said first exchanger connecting said facsimile machine with a first group of other facsimile machines to which different first facsimile numbers are allotted according to a first numbering rule;
• and
• a second exchanger which is provided in said single communication line between said facsimile machine and said first exchanger, said second exchanger connecting said facsimile machine with a second group of other facsimile machines to which different second facsimile numbers are allotted according to a second numbering rule different from said first numbering rule,
• said facsimile machine comprising a data obtaining device which obtains a plurality of sets of first own-facsimile-number data each set of which identifies a corresponding one of a plurality of different first own facsimile numbers allotted to the facsimile machine according to said first numbering rule, each of said first own facsimile numbers identifying the facsimile machine from said first group of other facsimile machines to which said different first facsimile numbers other than said first own facsimile numbers are allotted according to said first numbering rule, said data obtaining device obtaining a plurality of sets of second own-facsimile-number data each set of which identifies a corresponding one of a plurality of different second own facsimile numbers allotted to the facsimile machine according to said second numbering rule, each of said second own facsimile numbers identifying the facsimile machine from said second group of other facsimile machines t o which said different second facsimile numbers other than said second own facsimile numbers are allotted according to said second numbering rule,
• said facsimile machine further comprising at least one of (a) an information receiver which can receive information from said first and second groups of other facsimile machines and (b) an information transmitter which can transmit information to said first and second groups of other facsimile machines, said at least one of said information receiver and said information transmitter being operable in each of a plurality of different manners,
• said facsimile machine further comprising a plurality of memories related with said plurality of different manners, respectively, and at least one of (a) said information receiver receiving a batch of information from one facsimile machine of said first and second groups of other facsimile machines and storing the received batch of information in one of said memories which corresponds to one of said first and second own facsimile numbers identified by one of said sets of first and second own-facsimile-number data obtained by said data obtaining device from said one facsimile machine via said single communication line, and (b) said information transmitter transmitting, to one facsimile machine of said first and second groups of other facsimile machines, a batch of information stored in one of said memories which corresponds to one of said first and second own facsimile numbers identified by one of said sets of first and second own-facsimile-number data obtained by said data obtaining device,
• wherein said at least one of said information receiver and said information transmitter is operable in said each of said different manners at least two first manners of which correspond to at least two numbers of said first own facsimile numbers, respectively, and at least two second manners of which correspond to at least two numbers of said second own facsimile numbers, respectively.