Method for transferring information and associated network transition units
AssigneeSiemens Aktiengesellschaft
InventorsWieland Roeser, Frederick Wunderlich
Life of this patent
Estimating the term…
Abstract
Disclosed is a method wherein operative, administrative and maintenance functions are defined initially for a time-division multiplex oriented communication network (12). In order to utilize said functions in a packet-oriented communication network (10), they are emulated by said network (10).
Claims29
A method for transferring information within at least one time-division multiplex oriented communication network via at least one packet-oriented communication network, comprising:
- implementing functions for operation and/or administration and/or maintenance in the time-division multiplex oriented communication network for transfer of the information within the time-division multiplex oriented communication network;
- transferring at least a part of the information via the packet-oriented communication network;
- and
- emulating at least some of the functions for operation, administration and maintenance of the time-division multiplex oriented communication network by the packet-oriented communication network.
The method according to acclaim 2, wherein one of the function relates to the detection of a loss of signal or a loss of frame alignment between a customer telephony equipment and the customer-side network transition unit,
- upon a loss being detected in the customer-side network transition unit at least one Sa5 bit with a value one and at least one Sa6 bit sequence with a value “1100” are transmitted by the customer-side network transition unit via the packet-oriented communication network to the exchange-side network transition unit and are forwarded to the exchange,
- and when a loss is detected by the customer-side network transition unit at least one E bit with the value zero is transmitted to the customer telephony equipment.
The method according to acclaim 2, wherein one of the functions relates to detection of a loss of signal between the exchange and the exchange-side network transition unit,
- upon a loss being detected in the exchange-side network transition unit by the exchange-side network transition unit no further continuity data packets are transmitted via the packet-oriented communication network,
- the continuity data packets are monitored in the customer-side network transition unit,
- upon non-arrival of the continuity data packets a continuous bit sequence of bits with a value one is transmitted by the customer-side network transition unit to a customer telephony equipment,
- upon non-arrival of the continuity data packets in the customer-side network transition unit A bits originating from the customer telephony equipment are transmitted unchanged via the packet-oriented communication network,
- and upon non-arrival of the continuity data packets from the customer-side network transition unit at least one Sa5 bit with a value one and at least one Sa6 bit sequence with a value “1110” are transmitted via the packet-oriented communication network to the exchange-side network transition unit and are forwarded to the exchange.
The method according to acclaim 2, wherein one of the function relates to detection of a continuous bit sequence of bits with a value one,
- an occurrence of the continuous bit sequence of bits with a value one originating from the exchange is monitored in the exchange-side network transition unit,
- that when the bit sequence is detected at least one alarm data packet is generated and transmitted via the packet-oriented communication network to the customer-side network transition unit,
- the occurrence of alarm data packets is detected in the customer-side network transition unit,
- when an alarm data packet is detected by the customer-side network transition unit the continuous bit sequence of bits with a value one is transmitted to a customer telephony equipment,
- when an alarm data packet is detected in the customer-side network transition unit A bits originating from the customer telephony equipment are transmitted unchanged via the packet-oriented communication network,
- and when an alarm data packet is detected by the customer-side network transition unit at least one Sa6 bit sequence with a value “1111” is transmitted via the packet-oriented communication network to the exchange-side network transition unit and is forwarded to the exchange.
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Dependencies are inferred from the claim text.