Device Board Interface: MGU intermediates all communication between device boards in the 3U/7U chassi and the MX-ONE Service Node
Digital trunks: MGU provides layer 1 and layer 2 for E1/T1
VoIP: MGU provides RTP/SRTP including DTMF detection, DTMF relay and facsimile tones over RTP. The VoIP channel also includes configurable echo canceler
Fax relay T.38.: MGU provides relaying T.30 facsimiles (G3 fax) to/from Internet Aware Faxes or Gateways using T.38 protocol
Keycode Receiver: MGU provides Keycode Receivers (DTMF and MFC receivers), intended for mobile extensions (DTMF) and CAS E1 trunks (MFC)
Keycode Sender: MGU provides Keycode Senders (DTMF and MFC senders), intended for mobile extensions (DTMF) and CAS E1 trunks (MFC)
Tone Sender: MGU provides Tone Senders for call progress tones, e.g. dialtone, according to market specifications
Multi Party: MGU provides Multi Party resources for e.g. conference and intrusion call cases
Recorded Voice Announcements: MGU provides play out of pre-recorded, locally stored, media files over TDM switch
TDM switch: MGU provides a non-blocking TDM switch with attenuation support for interconnection of circuit switched media