Apps like Softphone4b!

Here are some great alternatives to Softphone4b! by netplus.ch SA :
SessionTalk Pro Softphone
SessionTalk Pro Softphone
★3.2
SessionTalk Softphone
SessionTalk Softphone
★3.5
Bria Mobile: VoIP Softphone
Bria Mobile: VoIP Softphone
★4.1
SessionCloud SIP Softphone
SessionCloud SIP Softphone
★3.6
Zoiper IAX SIP VOIP Softphone
Zoiper IAX SIP VOIP Softphone
★4.4
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
★3.4
Sipnetic
Sipnetic
★3.9
jiPBX - SIP VOIP Softphone
jiPBX - SIP VOIP Softphone
★4.0
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.5
VirtualPBX Softphone
VirtualPBX Softphone
★3.8
Softphone
Softphone
★3.8
MizuDroid SIP VOIP Softphone
MizuDroid SIP VOIP Softphone
★4.0
Bria Enterprise
Bria Enterprise
★4.3
iTel Mobile Dialer Express
iTel Mobile Dialer Express
★4.1
Vibervoiz MoSIP
Vibervoiz MoSIP
★4.4
007VoIP Cheap VoIP calls
007VoIP Cheap VoIP calls
★3.5