Written Ex Parte filed by ATIS on behalf of the NGIIF, which describes the NGIIF’s Intercarrier Call Completion/Call Termination Handbook (ATIS-0300106).
Written Ex Parte filed by ATIS on behalf of the NGIIF, which describes the NGIIF’s Intercarrier Call Completion/Call Termination Handbook (ATIS-0300106).