E1 Recording System used in at goverment department "Public Safety" in ShangHai.
TDM / PSTN- - - (V5.2) - - -NICEUC Trunking Gateway NC-MG900 - - - (SIP) - - -IP Network / Soft Switch
•NICEUC Signaling Gateway make signaling conversion between R2 (from Telecom) and Q.SIG (PBX System in customer site).
•R2 to Q.SIG, and vice versa.
