Mobile PBX

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App Based IP PBX - Calling

App based IP-PBX provides full mobility for users working with the CompletePBX IP PBX communication system. Use your extension on your mobile phone, use your mobile phone contacts, set do-not-disturb schedules, transfer calls, record calls and more.

Your mobile number will not be seen when making calls using App based IP-PBX and you will be reachable on your direct office number.

App based IP-PBX is an executive-grade SIP / IAX2 softphone for Sangoma PBX extensions.  It is compatible with all Sangoma VoIP PBX systems.

Your extension goes with you wherever you go. Remote employees? Traveling salespeople? Homeworkers? No problem. App based IP PBX allows you to work seamlessly wherever you and your employees are. Unlike using their mobile number, with PBX all users and call flow are centrally managed in Complete PBX.


  • Phone-less Desktop
  • Wire-less Office
  • Business Caller ID
  • Little to No Cost
  • Better connectivity
  • One Click Function
  • Directory with Employee Names


  • Branding – Get App under your Brand Name
  • Branding – Get your own mobile desktop
  • Advanced VoIP calling features
  • Digitalization of communication methods
  • Seamless scalability, whether you have one or hundreds or thousands of employees
  • Robust feature set, beyond local telephone services
  • No hardware to maintain or upgrade
  • 999% Reliability
  • Hassle Free Set up
  • Better connectivity can Result to Customer Delight & Increase in Business.
  • Let your business grow with the technology; Or soon you will be Outdated.

Record. Transfer. Conference.

App based IP PBX allows every user to record calls, transfer, create a conference and hold a call, and you can do that while having a coffee in your favorite coffee shop.

Upgrade Your Business To The Next Level

If you think using a PBX phone system is a complicated task and has many requirements and costs, this details will change your mind. Get the best of technology and unleash the strengths of your cell phone; PBX systems can now be integrated directly to your mobile phone. You could call it mobile phone PBX system or phone system app.

With each passing day, technology is shaping how organizations are run. Advancement in technology can bring about major changes in how an organization functions. It has increased the scope of working more and unlocking the most efficient methods. A mobile phone PBX system is one such technological advancement that has helped organizations, firms, and workplaces reach their full potential and optimize in terms of communication.

Zoiper IAX SIP VOIP Softphone

Zoiper is a FREE IAX and SIP softphone application for voip calls over 3G or WiFi. Zoiper softphone offers a simple user interface and superb audio quality for smooth Voice over IP experience. Available for both SIP and IAX systems, Zoiper is a phone solution perfectly fit for end users, service providers, call centers or any business willing to benefit from VoIP communications.

IMPORTANT: Zoiper softphone is a standalone client-side software VOIP phone application and is not bundled together with a voip service. To make and receive voip calls using Zoiper, you must subscribe to any SIP or IAX based service provider across the globe.


Zoiper’s key features include:

Support for different color schemes
Bluetooth support
Lowest battery usage with highest reliability / stability on google play
Lowest latency of all android softphones
Excellent audio quality, even on older devices
Supports calling over 3G and WIFI
Multiprotocol with SIP and IAX support, compatible with all RFC compliant PBXs
Background / multitasking support
Integration with the native android contact list
Speakerphone mute and hold
UDP and TCP transports (use TCP for better battery life!)
Supports g711 (ulaw, alaw), speex, iLBC and gsm codecs

 Supports sending of DTMF
Built-in echo cancellation
STUN support
Change ringtone per account
Call waiting
Video support
Call Transfer

Grandstream Wave Lite

Grandstream Wave is a softphone application which allows users to make and receive voice/video calls through their business or residential SIP accounts on any Android™ device (version 4.1+) from anywhere in the world, via either cellular data or WiFi. This application supports integration of up to 6 SIP accounts, 6-way voice conferencing, and allows users to monitor their IP PBX (such as Grandstream’s UCM6100 series IP PBX & UCM6510 IP PBX) while utilizing speed dial with up to 24 virtual BLF keys. Grandstream Wave also supports advanced SIP telephony features including call transfer, LDAP phonebook integration and more. With Grandstream Wave, business and residential users always have access to their SIP lines and can easily keep in touch with business or personal contacts without using expensive cellular data plans.


Key Features & Technical Specifications:

Supports Video, Hardware encode/decode, up to 720P
Supports G.711µ/a, G.722 (HD-audio), G.726-32, GSM, iLBC and Opus codecs
SIP-based softphone
Requires Android 4.0+
Can be used over cellular data connection or WiFi
Strong security features including SIP over TLS and 128/256-bit SRTP
Supports 6 SIP accounts, up to 6-way audio conference, and 24 virtual BLF keys
Native integration with mobile devices including contacts, call history and ringtones.
Enterprise features including IP PBX integration, BLF, call transfer/pickup, call recording with UCM, LDAP
Automatic call forwarding based on time and location rules
Powerful NAT traversal options including automatic NAT discovery, STUN and UPnP
Automatic provisioning including XML provisioning and 2-D barcode scan
Fully customizable skins and themes for optional branding needs
Voice channel switching between Bluetooth, earphone, speakerphone & 3.5mm headset
Users can view info of Incoming & Outgoing calls and missed calls in call history
Telephony Features: Hold, mute, transfer, forward (unconditional/no-answer/busy), call park/pickup, paging, Do Not Disturb (DND), call waiting, call history, flexible dial plan, custom ringtones, server redundancy & fail-over, and Busy Lamp Field (BLF)