Interconnection functionality between a first mobile communication network and a second mobile communication network

A system for an interconnection functionality between a first mobile communication network and a second mobile communication network, the system comprising:

• the first mobile communication network, wherein the first mobile communication network corresponds to a public land mobile network;
• and
• the second mobile communication network, wherein the second mobile communication network is a non-public network (NPN) or a standalone non-public network (SNPN) having or using private identifier information;
• wherein the first mobile communication network has been assigned to or has or uses globally unique PLMN identifier information;
• wherein the first mobile communication network comprises a network identifier and number translating functionality,
• wherein the private identifier information is associated or assigned to specific PLMN identifier information related to the second mobile communication network, wherein the specific PLMN identifier information related to the second mobile communication network is globally unique PLMN identifier information or regionally unique PLMN identifier information;
• wherein, in respect of signalling messages and/or data traffic packets that are to be routed or to be addressed or to be processed, the network identifier and number translating functionality is configured to provide for or support a replacement and/or a translation, in both directions, between the private identifier information and the specific PLMN identifier information related to the second mobile communication network;
• wherein the private identifier information of the second mobile communication network corresponds to at least one out of the following:
• a non-unique PLMN code having non-unique mobile country code information,
• a non-unique PLMN code having a non-unique mobile country code and non-unique network code information,
• a non-unique PLMN code together with a network identifier, or
• a non-unique PLMN code together with a block of international mobile subscriber identity (IMSI) numbers.

A non-transitory computer-readable medium having processor-executable instructions stored thereon for an interconnection functionality between a first mobile communication network and a second mobile communication network, wherein the first mobile communication network corresponds to a public land mobile network, wherein the second mobile communication network is a non-public network (NPN) or a standalone non-public network (SNPN) having or using private identifier information, wherein the first mobile communication network has been assigned to or has or uses globally unique public land mobile network (PLMN) identifier information, wherein the first mobile communication network comprises a network identifier and number translating functionality, wherein the processor-executable instructions, when executed, facilitate:

• associating or assigning the private identifier information to specific PLMN identifier information related to the second mobile communication network, wherein the specific PLMN identifier information related to the second mobile communication network is globally unique PLMN identifier information or regionally unique PLMN identifier information;
• and
• in respect of signalling messages and/or data traffic packets that are to be routed or to be addressed or to be processed, providing for or supporting, by the network identifier and number translating functionality, a replacement and/or a translation, in both directions, between the private identifier information and the specific PLMN identifier information related to the second mobile communication network;
• wherein the private identifier information of the second mobile communication network corresponds to at least one out of the following:
• a non-unique PLMN code having non-unique mobile country code information,
• a non-unique PLMN code having a non-unique mobile country code and non-unique network code information,
• a non-unique PLMN code together with a network identifier, or
• a non-unique PLMN code together with a block of international mobile subscriber identity (IMSI) numbers.