Sorry for long absence.Meanwhile tinkering the modem able to connect.the log says call failed .have posted device info and log.Something amiss I could feel .please guide me further. As Iam not sure...

Yes tried ADSL2+ also.My version is 3.Up graded the firmware also . I found it was iupgraded .But after firmware upgrade. reset the modem.but unable to enter the values error duplicate pvc.That is...

Region : India Model : TD-W8151N Hardware Version : V3 Firmware Version : FwVer:3.20.17.0_TC3087 HwVer:T14.F7_11.2 ISP : bsnl indiaI "Immediately after booting not getting connected .. no adsl light-...