The best part about bottom line is that they are very reliable in their workmanship with customer satisfaction as well at all times! I have never had any problem or issues while working for them so far but if you do then let me know immediately because i will take care off it right away!! It's been quite good thusfar when we get to talk one another using our phones through voice chat feature which has helped us solve some problems quickly without having someone physically present nearby by just talking online via phone call/texting each other like whatsapp etc..