iCall.ing APP
KEY FEATURES
• Two SIP lines — register two accounts at once and pick a line per call.
• High-quality VoIP audio with OPUS, G.722 and G.711 codecs.
• Secure signalling over TLS and encrypted media with SRTP.
• Reliable incoming calls — push notifications wake the app and ring you even when it is closed or in the background.
• Full in-call controls — mute, speaker, keypad (DTMF), hold, add a second call, swap, 3-way conference, blind and attended call transfer.
• Messaging — send and receive SIP text messages with delivery status.
• Call history with redial, and contact dialing.
• QR sign-in — scan a provisioning code to configure a line instantly.
• Account balance and expiry shown at a glance.
iCall requires a SIP account from your VoIP provider or PBX. Enter your DID / extension and SIP password, or scan a QR provisioning code, and you are ready to call.

