Shabuj Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts January 30, 2016 at 5:02 pm in reply to: Problem in interfacing with pic16f877a and gsm (SIM900A) #13671 ShabujParticipant I need a microc code for voice call by sim900A using push button. When i press button for 2 sec then i get a phone call in my hand set Please help me Author Posts Viewing 1 post (of 1 total)