Apps like ZoiPer Pro - SIP Softphone

Here are some great alternatives to ZoiPer Pro - SIP Softphone by Securax EOOD :
MizuDroid SIP VOIP Softphone
MizuDroid SIP VOIP Softphone
★4.0
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
★3.5
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.5
jiPBX - SIP VOIP Softphone
jiPBX - SIP VOIP Softphone
★4.2
AGEphone
AGEphone
★5.0
Bria Mobile: VoIP Softphone
Bria Mobile: VoIP Softphone
★4.1
Softphone
Softphone
★3.9
Voip By Antisip (+Video)
Voip By Antisip (+Video)
★3.7
Sipnetic
Sipnetic
★3.9
VirtualPBX Softphone
VirtualPBX Softphone
★3.7
Mabrook Plazma
Mabrook Plazma
★3.5
REDCOM Sigma Client
REDCOM Sigma Client
★4.4
007VoIP Cheap VoIP calls
007VoIP Cheap VoIP calls
★3.9
TeleVoIPs Softphone
TeleVoIPs Softphone
★3.8
GreenLink Softphone
GreenLink Softphone
★4.6
Cymbus (Legacy)
Cymbus (Legacy)
★4.3