A method and system for the leveraging a reserved relationship number by an SLS platform and/or SLS phone module for the purpose of performing special operations other than making an SLS call available for termination at a subscriber TD and/or a third party TD involve associating the SLS phone number of the subscriber, the primary number of the subscriber and a next set of instructions via a common reserved relationship number.

A system or method for determining if a telephony network number is ported for use with variable numbering plan comprising, a first network node for receiving a number message comprising at least a first part of a dialled number identifying a called party, and a number portability database, containing routing numbers associated with entries in the database. The first network node is configured to compare the number message with entries in the number portability database. The first network node is configured such that if the number message or a first part of the number message uniquely matches with the whole of an entry in the database and does not match with part of another entry in the database, the first network node determines that a best match has been found. In this case, the first network node routes a call to a second network node identified by the routing number associated with the entry. The first network node is configured such that if the number message matches with at least part of at least one entry in the database, the first network node determines that at least one partial match has been found. The first network node then retrieves a further part of the dialled number. The first network node repeats the comparison based on a new number message comprising said first part of the dialled number and said further part of the dialled number. The first network node is configured such that if at least a first part of the number message cannot be matched to the whole of any entry in the database, the first network node determines that no match has been found. In this case, the first network node routes a call to a second network node identified by the dialled number.

A system or method for determining if a telephony network number is ported for use with variable numbering plan comprising, a first network node for receiving a number message comprising at least a first part of a dialled number identifying a called party, and a number portability database, containing routing numbers associated with entries in the database. The first network node is configured to compare the number message with entries in the number portability database. The first network node is configured such that if the number message or a first part of the number message uniquely matches with the whole of an entry in the database and does not match with part of another entry in the database, the first network node determines that a best match has been found. In this case, the first network node routes a call to a second network node identified by the routing number associated with the entry. The first network node is configured such that if the number message matches with at least part of at least one entry in the database, the first network node determines that at least one partial match has been found. The first network node then retrieves a further part of the dialled number. The first network node repeats the comparison based on a new number message comprising said first part of the dialled number and said further part of the dialled number. The first network node is configured such that if at least a first part of the number message cannot be matched to the whole of any entry in the database, the first network node determines that no match has been found. In this case, the first network node routes a call to a second network node identified by the dialled number.

A method and system for providing a second line service (SLS) feature to a subscriber using a telecommunications device (TD) which includes receiving at a switch on the network of the subscriber's primary service provider a communication made up of a trigger and a directory number. When the communication is received at the primary service provider's switch, the switch parses the communication and detects the trigger. Once the switch has received the communication, the switch additionally transmits a query message to a SLS platform that manages the SLS feature. As a result of the switch's query message transmission, the switch receives a reply to the query message from the SLS platform. Based at least in part on the reply to the query message, the switch can route the communication such that the switch connects one or multiple voice channel circuit between the subscriber's TD and the terminating TD.

A method and system for providing a second line service (SLS) feature to a subscriber using a telecommunications device (TD) which includes receiving at a switch on the network of the subscriber's primary service provider a communication made up of a trigger and a directory number. When the communication is received at the primary service provider's switch, the switch parses the communication and detects the trigger. Once the switch has received the communication, the switch additionally transmits a query message to a SLS platform that manages the SLS feature. As a result of the switch's query message transmission, the switch receives a reply to the query message from the SLS platform. Based at least in part on the reply to the query message, the switch can route the communication such that the switch connects one or multiple voice channel circuit between the subscriber's TD and the terminating TD.

A system or method for determining if a telephony network number is ported for use with variable numbering plan comprising, a first network node for receiving a number message comprising at least a first part of a dialled number identifying a called party, and a number portability database, containing routing numbers associated with entries in the database. The first network node is configured to compare the number message with entries in the number portability database. The first network node is configured such that if the number message or a first part of the number message uniquely matches with the whole of an entry in the database and does not match with part of another entry in the database, the first network node determines that a best match has been found. In this case, the first network node routes a call to a second network node identified by the routing number associated with the entry. The first network node is configured such that if the number message matches with at least part of at least one entry in the database, the first network node determines that at least one partial match has been found. The first network node then retrieves a further part of the dialled number. The first network node repeats the comparison based on a new number message comprising said first part of the dialled number and said further part of the dialled number. The first network node is configured such that if at least a first part of the number message cannot be matched to the whole of any entry in the database, the first network node determines that no match has been found. In this case, the first network node routes a call to a second network node identified by the dialled number.

A system or method for determining if a telephony network number is ported for use with variable numbering plan comprising, a first network node for receiving a number message comprising at least a first part of a dialled number identifying a called party, and a number portability database, containing routing numbers associated with entries in the database. The first network node is configured to compare the number message with entries in the number portability database. The first network node is configured such that if the number message or a first part of the number message uniquely matches with the whole of an entry in the database and does not match with part of another entry in the database, the first network node determines that a best match has been found. In this case, the first network node routes a call to a second network node identified by the routing number associated with the entry. The first network node is configured such that if the number message matches with at least part of at least one entry in the database, the first network node determines that at least one partial match has been found. The first network node then retrieves a further part of the dialled number. The first network node repeats the comparison based on a new number message comprising said first part of the dialled number and said further part of the dialled number. The first network node is configured such that if at least a first part of the number message cannot be matched to the whole of any entry in the database, the first network node determines that no match has been found. In this case, the first network node routes a call to a second network node identified by the dialled number.

A method and system for the leveraging a reserved relationship number by an SLS platform and/or SLS phone module for the purpose of performing special operations other than making an SLS call available for termination at a subscriber TD and/or a third party TD involve associating the SLS phone number of the subscriber, the primary number of the subscriber and a next set of instructions via a common reserved relationship number.

A computerized system and related method for assisting a user with placing a telephonic call, comprising a user specifying an originally-specified telephone number to place an intended telephonic call, which telephone number, as originally-specified, for at least one particular reason, cannot be used to successfully complete the intended telephonic call; after specifying the originally-specified telephone number, later specifying later-specified telephone number elements, including the possible deleting, ignoring or changing of part of the originally-specified telephone number and/or related dialing elements; and causing the telephonic call to be successfully signaled using the originally-specified telephone number in combination with the later-specified telephone number elements, without the user having to re-specify the originally-specified telephone number; wherein: the originally-specified telephone number is stored in a redial memory, for purpose of the deleting, ignoring or changing and signaling, until the user initiates a brand new dialing effort to place a new telephonic call.

Measures for use in operating a network node in a telecommunications network. At a network node located in a second part of the network, signaling messages transmitted between a server and end devices in an at least a first group are monitored. Each monitored signaling message includes a telephone dialing number for a given end device in the at least first group and an extension number for the given end device. On the basis of the monitoring, mapping data is stored which includes mappings between telephone dialing numbers and extension numbers for end devices in the at least first group. In response to detecting a loss of connectivity between a first part of the telecommunications network and the second part of the telecommunications network, extension number dialing request messages received from end devices in the first group are processed according to a detected loss of connectivity operating mode.