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About Optima Mobile Dialer

Optima Dialer is a Mobile VoIP App from Improlabs Pte Ltd. Mobile VoIP refers to the technology which helps the users to make VoIP calls from their mobile communication devices like Smart Phones and Tabs. Optima Dialer is an state-of-art Mobile VoIP App by Improlabs and enables smart mobile devices to make VoIP calls with ease.

This amazing Mobile VoIP Softphone runs not only on both ARM and X86 architectures but also in a wide range of mobile handsets. Optima Dialer uses SIP signaling protocol and is compatible with all the major SIP supported softswitches. This Mobile Softphone Dialer has the capability to pass through complex network firewalls while used with BytePlex, a revolutionary tunneling product developed by Improlabs.

Optima Dialer ensures enhanced performance and delivers the best possible voice quality even on low internet speed. It overcomes the major limitations of the other VoIP dialer products in the market. Implementation of latest technologies and a lot of useful features make it a must-to-have Mobile VoIP Dialer product for the VoIP calling operators in the today's market.

Key Features:
★ Runs on low bandwidth.
★ Crystal clear voice on 6 kbps.
★ Users can choose between Low Bandwidth (6 kbps) and Normal Bandwidth modes.
★ Display account balance on the dialer screen.
★ Supports any SIP softswitch.
★ Ability to bypass network blockage and firewalls while being used with Byteplex module.
★ Integrated with native contact list.
★ Customized branding facility.
★ Ability to work from behind NAT.
★ Upto 50 call history.

Tech Specification:
★ Signaling Protocol: SIP
★ Compatibility: All major SIP softswitch.
★ Supported Codec: G.729

For Subscription:
Please contact -
Skype: sales.improlabs
Email: [email protected]

For Requesting Demo:
Please visit


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