PORTSIP Softphone

Connect Anywhere, On Any Device, With Any Platform.

Create the Video Communications

PortSIP Softphone is the industry’s most reliable and feature-rich communication applications for iOS, Android and Windows. Based on SIP Standards, it becomes an extension to your company’s PBX and features a multitude of communication options.

  • It’s free for full features enabled
  • HD audio call: AMR-WB, G.722.1, Opus
  • HD video call: H.264, VP8, 1080P+
  • Presence and Instant Messaging
  • Mobile PUSH notification
  • Video conferencing: no MCU required
PortSIP Softphone
PortSIP Softphone
PortSIP Softphone
PortSIP Softphone
PortSIP Softphone
PortSIP Softphone
PortSIP Softphone


Add your own look and modify default settings with PortSIP Softphone.

  • Change the product name and branding to match your brand
  • Customize the graphical assets, including logos, skin color and icons
  • Specify the language within the client
  • Modify certain settings within the application or stack, to include or exclude certain calling and add-on features
  • Add audio and video codecs and modify media settings


We work closely with customers to make sure they have latest communications functionalities and features to meet their specific needs. In some cases, we perform engineering and customize our clients to satisfy customers who have specific network integration situations, require implementation of new functionality or features, or have particular user interface requirements that need customization of our base clients.

PortSIP Softphone
PortSIP Softphone

Embedded Communication Experiences

Utilize a industry-leading PortSIP VoIP SDK, deliver immersive communication experiences with developers you already have.


  • Full SIP Compliance – enabling use of any SIP-compliant server/PBX
  • Mobile PUSH notification
  • G.729, Opus, AMR, AMR-WB, G.722.1, G.711a/u, GSM, iLBC, SPEEX, SPEEWX-WB codecs
  • H.264 and VP8 for video call
  • 3-party 1080P video conference and multi-party audio conference
  • Video resolutions: QCIF, CIF, QVG, VGA, XVGA, SVGA, 720P, 1080P
  • Call history – list of received, missed and dialed calls
  • Presence and Instant Messaging
  • Call recording
  • Contact List and Contact Favorites
  • QoS (Quality of Service) support
  • IMS Registration, Authentication, and addressing
  • VoLTE Voice and Video call establishment and termination
  • Security and Encryption: TLS/SRTP