An exemplary system includes a first mobile telephone switching office subsystem configured to receive and forward network traffic, a second mobile telephone switching office subsystem configured to receive and forward network traffic, and a hub router communicatively connected to the first and second mobile telephone switching office subsystems via at least one network backhaul connection. The hub router configured to establish at least one communication tunnel from the hub router to the first mobile telephone switching office subsystem and establish at least one backup communication tunnel from the hub router to the second mobile telephone switching office subsystem, wherein the at least one backup communication tunnel is pre-signaled as a backup to the at least one communication tunnel. Corresponding systems and methods are also disclosed.