SIP Phone is a social & communication chrome extension. it's a free extension , it has 4,000+ active users since released its first version, it earns an average rating of 2.60 from 5 rated user, last update is 1528 days ago.
SIP Phone works using WebRTC & SIP protocol. You can use it in place of Soft(VoIP) phone. Please refer below link for more details about Features & How to use. https://github.com/anshkatriya/sipphone
You could download the latest version crx file or older version files and install it.
English.
100% user give 1-star rating. Read reviews of sip phone
You could find more help information from sip phone support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of sip phone.
You could click to report abuse of sip phone.
Same as other user, says "not registered" with all the correct config in, and there's nothing you can do about it
Unable to register
Doesn't work and/or documentation is not clear on how to configure it.