There are 2 repositories under webphone topic.
SaraPhone is an open source SIP WebRTC phone, complete with HotDesking, Redial, BLFs, MWI, DND, PhoneBook, Hold, Mute, Notifications. SaraPhone is fully integrated with FusionPBX. Based on SIP.js, SaraPhone works with all WebRTC compliant servers: FreeSWITCH, Asterisk, OpenSIPS, Kamailio, etc. SaraPhone gets its name from Giovanni's wife, Sara.
WebRTC based webphone for Vicidial
Issabel 4, Call Center Module and SipML5 Integration Asterisk 11-13-16-18
Cliente em JavaScript/NodeJS para API da Totalvoice
Sip协议Web通信终端(Jssip)