Bria Mobile: VoIP Softphone
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Bria - VoIP SIP 소프트폰
MizuDroid SIP VOIP Softphone
Mizutech
Calls - SIP VoIP Softphone
Ruddy Nguyen
Zoiper IAX SIP VOIP Softphone
Securax EOOD
Bria Enterprise
Softphone
Vtel
Mobyx Solutions
Cloud Softphone
Acrobits, s.r.o.
Intermedia softphone
Intermedia.net, Inc.