iexpbx 4+

You can make crystal clear audio call through the wireless and mobile internet at wherever you are.
It comes with built-in QR code scanner. So you can configure it with only 1 click. You do not need to enter and configure your account informations separately.
Even if the IEXPBX application is not working, it wakes up with the push feature and allows you to answer all calls. This feature saves your device's battery.

FEATURES
High audio quality
Video call
SIP-based high secure connection
Receiving calls in the background (push support)
Call history
Call recording
Phone and PBX contact list
BLF indicator (Busy Lamp Field)
Multiple account support
QR Code support
Install via URL support
Conference calls
Direct transfer
Attended transfer
Merge calls
Hands-free, mute and hold functions
Supported audio codecs: G.711 (ulaw/alaw), G.729, G726, GSM, Speex, Opus
Supported video codecs: h264, h263, h261, h263p
DND (Do Not Disturb) mode support
Multi-language support (Currently in English and Turkish)
Advanced customization

* You must have an IEXPBX Multi-Tenant server account to use some features. Contact us to get more detail about IEXPBX Multi Tenant PBX.
* The permissions shown by the IOS must be given when the application is installed.
* The application requires an existing SIP account for use.

IMPORTANT VOIP OVER MOBILE/CELLULAR DATA NOTICE

Some mobile network operators may prohibit or restrict the use of VoIP functionality over their network and may also impose additional fees, or other charges in connection with VoIP. You agree to learn and abide by your cellular carrier's network restrictions. IEXPBX will not be held liable for any charges, fees or liability imposed by your carrier for use of VoIP over Mobile/Cellular Data.