Apps like Softphone4b!

Here are some great alternatives to Softphone4b! by netplus.ch SA :
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
★3.4
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
MobiCalls VOIP Calls
MobiCalls VOIP Calls
★4.4
Sipnetic
Sipnetic
★4.0
jiPBX - SIP VOIP Softphone
jiPBX - SIP VOIP Softphone
★4.0
VoIP.ms Softphone
VoIP.ms Softphone
★4.3
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.9
VirtualPBX Softphone
VirtualPBX Softphone
★3.9
Softphone
Softphone
★3.8
MizuDroid SIP VOIP Softphone
MizuDroid SIP VOIP Softphone
★4.0
Talkyto - Twilio Calls & SMS
Talkyto - Twilio Calls & SMS
★3.6
Bria Enterprise
Bria Enterprise
★4.4
Vibervoiz MoSIP
Vibervoiz MoSIP
★4.3