, 190068, -, . , 7
:
ZTE 1985 , . .
:
PSTN , , , , (IN) (NGN). 50 .
ZTE , 70 . .
ZTE DWDM. ZTE GSM.
.
ZTE CDMA . CDMA ZTE 12 . , 30 . 7600 BTS CDMA .
ZTE CDMA 450 , 800 , 1900 2100 , IP-, 3G.
ZTE CDMA2000 1 EV-DO CDMA2000 1 EV-DV.
, ZTE , , GSM, CDMA, PCS . ZTE GSM 900/1800 , PHS 1900 , CDMA 800/1900 , CDMA2000 1 450 .
: ZTE : PSTN, ; , DWDM, , CDMA 450 GSM 900/1800 . : ZTE, , .
ITU ( ), AIC ( ), 3GPP 3GPP2 ( ), CDG ( CDMA), ( ), IPv6 Forum, OBSAI (Open Base Station Architecture Initiative), NV-IOT (Network Vendors Interoperability Testing Forum), International 450 Association ( ANMT450).
ZTE , China Telecom, China Mobile, China Unicom, China Netcom China Railcom. ZTE - CDMA, SMSC .
, ZTE xDSL 2004 .
ZTE CDMA , - . - ZTE "". ZTE GSM. , 2001 . GSM . 2003 ZTE GSM 1800 "".
ZTE CDMA-450 " " Delta Telecom.
2001 . ZTE "".
2002 . ZTE "" CDMA WLL . . 2002 . "".
2002 . ZTE GSM "" . 2002 . ZTE "" . - .
2003 . " " () ZTE CDMA 2000 1 450 , 17 2004 . CDMA450 .
2003 . 100 300, , GSM.
2004 . -, , , , , : , , , , .
, . , , , - .