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MoSIP Mobile Dialer


A light-weight, single-function mobile VoIP app, MoSIP Basic delivers the basic calling features needed for a VoIP service. MoSIP Basic offers a seamless and intuitive VoIP calling experience to customers. MoSIP Basic is available on all major mobile operating platforms increasing market reach. MoSIP Basic works seamlessly with all SIP standard softswitches.

MoSIP Basic delivers the functionality and ease-of-use that will enhance any calling card business.


  • Customizable SIP Voice Client for iOS, Android, BlackBerry & Windows

  • White label branding for offering MoSIP Basic as service differentiator

  • Preconfigured noise & echo cancellation for crystal clear voice quality

  • Simplified login eliminating lengthy login process for using MoSIP Basic

  • Automatic network switching delivers a seamless VoIP calling experience

  • Compatible with all
    SIP standard softswitches

Features & Benefits

Voice Calling

A single-function, light-weight application, it runs on any device without consuming much storage or operating memory. Just the basic functions, with nothing extra.

Multi-OS Support

Available for iOS, Android, Windows and Blackberry smart devices.

Address book integration

By pulling contacts from the devices native contact list/address book, minimal memory is used by MoSIP Basic. This also enables users to place calls directly from the address book, reducing the time it takes to place a call and eliminating mis-dials. Contacts in the device address book can be added or edited directly from the MoSIP Application.

User Login Required

Each user has individual credentials to control usage and help prevent fraud.

Local Storage and Display of Call Records

Gives the user the record keeping and control they want. Minimizes billing questions and disputes.

Account Balance Lookup

Another feature that gives more user controland minimizes interactions with customer service.

Noise and Echo Cancellation

Enhances call quality when calling from a noisy environment or using the speaker-phone feature.

Compression/Low bandwidth usage

When paired with Vox Bridge, call scan be completed with as little as 20Kpbs of bandwidth

IVR “jump” buttons

This unique feature allows users to enter long sequences of DTMF tones (including pauses, asterisks, and hashes) in order to easily navigate IVR systems and conference bridges that they regularly access. For example, if users attend a weekly conference call that requires the user to enter a PIN, Password, and Conference ID, all of that can be stored in a single IVR “jump” button. Once connected to the system, the user simply presses the IVR “jump” button. The entire string is then auto-generated so that the user can “jump” into the conference call.

Automatic Network Switching/Failover between WiFi, Mobile Data

MoSIP Basic sends all communication via the Wi-Fi network by default. If the Wi-Fi connectivity is not available/limited, the application automatically switches to the mobile data connection. Calls in progress are not interrupted when the switch is made.

Media Encryption

When paired with Vox Bridge, media and signaling information can be encrypted for addition security.

Auto Delete Plus (+)

Automatically removes (+) when numbers are read from the address book. Ensures that only properly formatted numbers are sent to the switch.

NAT Traversal

Supports NAT Traversal, enabling calls to even when originated from inside a private IP Network.

Enhanced Call Volume

Control call volume independently from the device volume.

Connection Status

Displays connection status of the user as “Active” or “Inactive” to other MoSIP users

Technical Specifications

  • RFC 3261 compliant
  • Audio Calling - Incoming/Outgoing, Hold/Resume, DTMF Tone generation/detection (RFC 4733/ 2833)
  • Audio Codecs - Speex iLBC, G.711(PCMA/PCMU), G.722, G.729 ,AMR
  • Voice Activity Detection (VAD)
  • UDP and TCP Transport
  • Push Notification to broadcast important messages to MoSIP users
  • Capture and send log report to support
  • Internet connectivity via 2G/3G/4G/Wi-Fi/Edge/GPRS
  • Multi OS Support - iOS (6 or later), Android (2.3.3 or later), Windows or Blackberry platform

Call to Action

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