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Get Karel Mobil old version APK for Android
SIP phone application
KAREL Mobile is a SIP phone application that provides audio and video communication over 3G and WIFI network. After the KAREL Mobile application is opened, you must enter your username and password obtained from your Authorized Dealer. Karel Mobil supports G.711, G.729, G.722, GSM, SILK and Opus codecs. Shows incoming and missed call. Supports handsfree, mute, hold features.