Netsipp is a FREE softphone app which allows users to make and receive voice calls through their business or residential SIP accounts on any Android™ device (version 6.0+) from anywhere in the world, via either cellular data or WiFi.
Key Features & Technical Specifications:
• Free Call Transfer (For only Netsantral users)
• Supports G.711µ/a, G.722 (HD-audio), GSM
• SIP-based softphone
• Requires Android 6.0+
• Can be used over Wi-Fi, 3G or 4G
• Supports unlimited SIP accounts
• Native integration with mobile devices including contacts and ringtones.
• Powerful NAT traversal options including automatic NAT discovery, STUN and UPnP
• Voice channel switching between earphone, speakerphone & 3.5mm headset
• Users can view info of Incoming & Outgoing calls and missed calls in call history
• Telephony Features: Hold, mute, transfer, call waiting, custom ringtones