{HEAD ~ An illustrative embodiment} establishes a virtual circuit by receiving, at a radio port, {TAIL ~ a virtual circuit identifier} from a wireless terminal and attaching the virtual circuit identifier to an OA&M cell 
{ HEAD ~ An illustrative embodiment } establishes a virtual circuit by receiving , at a radio port , { TAIL ~ a virtual circuit identifier } from a wireless terminal and attaching the virtual circuit identifier to an OA&M cell
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