SIP Client

It's VOIP base softphone client application which facilitate the users to make high-quality calls at the lowest cost to the end user. 3PSoft SoftPhone, is built on open source stack “LinPhone”, using SIP protocol. This makes possible to communicate freely with people over the internet, with voice, video, and text instant messaging. 3PSoft Softphone client can be used with any SIP VoIP operator.


Checkoo is supported on iOS, Android & Windows based smart devices.
  • Ease of use
  • Hold & Resume call
  • Native Contact List
  • Call History
  • Bluetooth Supported
  • Conference Call
  • Voice Recording
  • Voice only
  • Codec support G.711, G7.22, G.729, GSM, Speex, Silk
  • No constraint on number of subscriber connections
  • Mobile & Desktop versions
  • Feature rich Soft Phone
  • Quick time to market with required customization
  • Highly customizable based on specific needs


SIP Client solution is available in various options –

1. Branding – We can add your company logo, name or any other necessary modifications.
2. SDK – Available as SDK which can be easily integrated with your overall application.
3. Application – available which can be used with iOS or Android or Windows OS.