T 2 ULTRA HAS PROBLEM CALLING FROM SECOND SIM

[daksh2011]

I HAVE T2 ULTRA DUAL SIM PHONE . WHEN I HAVE CALLED FROM SECOND SIM THE VOICE IS INTRUPTED EVEN NETWORK IS VERY GOOD. NO PROBLEM FROM FIRST SIM

[_alexdon_]

First SIM is able to use WCDMA also,second one GSM only.While the second SIM is active,the first is disabled.Was the network connection strong?