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Mobile Extension

Helping your business grow using
Hosted Phone Systems

Hosted Phone System Benefits:

Multiple Lines Transfer your existing number Intelligent call routing
Discounted Call Plans Wide Range of Phones to Choose From Low Maintenance
Can have a Mobile Extension Multiple Direct Dial Numbers (DDI)    

Full PBX Facilities and Features:

Music on hold Call Forwarding Call Transfer
Call Queues External Extension Voicemail 2 Email
Auto Attendant Menus Call Groups    


Using your mobile device, Voice Soft Mobile Extension facilitates easy and effective communication management with an intuitive interface that accommodates multiple calls. Call functionality includes the ability to swap between two calls, merge and split calls and perform attended and unattended transfers.

Voice Soft Mobile Extension incorporates advanced security settings which allow for secure call signaling and audio encryption. It also contains enhanced audio features including G.711, G.722, iLBC, GSM and SILK.

Voice Soft Mobile Extension is a superior iPhone VoIP application for enterprises as it can be used as an extension to your PBX.


Voice Soft Mobile Extension is available for Android, Apple iPhone and iPod touch.

Enjoy face-to-face communications with Voice Soft Mobile Extension’s new Video Calling add-on. Utilizing either the forward or rear-facing camera on your iPhone or iPod touch, you can make high definition video calls to your contacts using a H.264 video codec. Picture-in-picture view lets you see how you look to the person you’re calling and you can rotate the screen to either portrait or landscape depending on your needs.


Standard Phone Features


  • Full SIP Compliance - enabling use of any SIP-compliant server
  • Multiple Account Support - up to eight accounts
  • Pre-defined VoIP Providers list available when adding new accounts on Accounts screen
  • Call display and voicemail indicator
  • Speakerphone, Mute and Hold
  • Call history – list of received, missed and dialed calls
  • Call recording
  • Contact List and Contact Favorites – leveraging the Mobile Contacts
  • Ringtones and contact avatars
  • Dial plan support
  • Custom wallpaper
  • Multiple Call Support
    • Swap between two active calls
    • Merge and Split calls (Three-way conferencing support)
    • Call transfer (attended and unattended)
  • Audio codecs include G.711, iLBC, GSM and SILK
    • G.722 support is also included for iPhone 3GS+, iPad and iPod touch 3rd Generation+
    • G.729 ready (option to purchase in app)
  • Support for DTMF: the ability to enter numbers to use an auto attendant
    • Via RFC 2833, SIP INFO and Inband
  • VPN Support
  • High Resolution Images for iPhone 4 and iPhone 4S
  • Voice Soft Mobile Extension is available in the following eight languages: English, Arabic, Chinese (Simplified and Traditional), French, Japanese, Korean, Russian and Spanish.


Advanced Features


  • Network traversal
    • Application Managed, Server Managed or User Specified
    • Global IP Support
    • STUN & ICE
  • Media Efficiency and Quality
    • Noise Reduction
    • VAD (Voice Activation Detection)
  • QoS (Quality of Service)
    • ToS Marking
    • DSCP (Differentiated Services Code Point)
  • Security and Encryption
    • TLS and SRTP (Secure call signaling and audio encryption)
  • DNS SRV record lookups
  • Call quality statistics



The following accessories are supported:


  • Headset with microphone (including Bluetooth™): Mobile Extension uses the ear-piece and microphone on the headset.
  • Headphones (no microphone): Mobile Extension uses the ear-piece on the headphone and the built-in microphone on the device.


Call us now on 0800 849 5252 or Click Here to get a FREE Quote.