With the development of technology, more and more apps appeared in the mobile market. 30,000+ users downloaded 22Call Sip latest version on 9Apps for free every week! The app has do enough to distinguish itself from its predecessor. This hot app was released on 2020-06-10. Certainly you will love it after play.
Support audio
Support G.729, Opus, PCMA, PCMU,AMR,AMR-WB,G.722.1,G.722,SPEEX,SPEEX-
WB,iLBC,GSM,ISAC,ISAC-WB codecs.
Support 20-party audio conference.
Support add/modify the SIP message headers.
Mendukung audio
Dukungan G.729, Opus, PCMA, PCMU, AMR, AMR-WB, G.722.1, G.722, SPEEX, SPEEX-
WB, iLBC, GSM, ISAC, ISAC-WB codec.
Mendukung konferensi audio 20-pihak.
Dukungan menambah / memodifikasi header pesan SIP.