Discuss Amit Singh Seo's answer to: Do you Know what is Mobile Dialer?

Mobile Dialer is a software application installed and used on mobile phones. Various software solution providers offer branded mobile dialers. They are used to make VoIP (Voice over Internet Protocol) calls from a mobile hand set. The "Mobile Dialer" or "Mobile VoIP Dialer" uses SIP signaling and can be mapped to a Softswitch or an IP device to work a device for voice communication. Newer mobile dialers also allow users to originate a Voice Call or SMS using their mobile handset. In many countries, VoIP is considered as "illegal Business" and is banned by the government. Mobile Dialer application can run behind network address translation (NAT) and on private IP and can pass through firewalls or blocked networks when combined with tunneling software.