Level 3 Communications, LLC

Wayne F Simpkins

Bill Long

Christopher W Mikleton

Dena M Hunter

According to various embodiments of the present invention, systems and methods for routing telephone calls from host switch to remote switch in a Voice Over Internet Protocol ('VoIP') network. In one embodiment, a system includes a host switch in a voice over internet protocol ('VoIP') network communicably coupled with a plurality of remote switches and a public switched telephone network (&#x201c;PSTN&#x201d;), the host switch to receive a call from the PSTN having signaling including a location routing number (&#x201c;LRN&#x201d;) field, and a database communicably coupled to the host switch to identify a target remote switch of the plurality of remote switches that is associated with at least a portion of the LRN field. In addition, the host switch is to send the call to the target remote switch based on the identification by the database. Other embodiments are also disclosed.

Customer owned telephone numbers

According to various embodiments of the present invention, systems and methods for mobile virtual network operator (MVNO) telephone number provisioning and voicemail routing by a mobile virtual network enabler (MVNE) are disclosed. In one embodiment, a method includes: provisioning a telephone number (TN) and its associated mobile subscriber identification (MSID) owned by a mobile virtual network operator (MVNO) on a home location register (HLR) of a third party carrier, the third party carrier is not the owner of the TN; routing a call to the provisioned TN from a calling party by utilizing the HLR, wherein a called party of the TN is at least one of providing no answer or unreachable; receiving an indication from a gateway mobile switching center (GW MSC) of the third party carrier that there is no voicemail transfer number associated with the TN; and initiating a new call to a voicemail server of the MVNO, the new call to provide voicemail associated with the TN to the calling party. Other embodiments are also disclosed.

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Crestwood, KY, United States of America

Wayne F Simpkins