hi babar and every body, coming from weekend and found so many replys, any way i am still not in practical, unless i do not have firm concepts, your advices are very good and atleast i have now the concept of working with 8880 specially the call progress.

yes i am considering another DAA from Zarlink infact i have the data sheet on that so as COMING ATTRACTIONS i will open another threat about that chip soon.


Shahzad