Apps like SpectrumVoIP Stratus

Here are some great alternatives to SpectrumVoIP Stratus by SpectrumVoIP Developer :
MobiCalls VOIP Calls
MobiCalls VOIP Calls
★3.8
HelloSpoke Mobile
HelloSpoke Mobile
★4.0
Anywhere Connect
Anywhere Connect
★3.4
SessionTalk Softphone
SessionTalk Softphone
★3.6
TeleConsole
TeleConsole
★4.0
OneSim VoIP
OneSim VoIP
★3.3
12Voip
12Voip
★4.4
voipoffice
voipoffice
★4.0
SessionCloud SIP Softphone
SessionCloud SIP Softphone
★3.6
Vodia Phone
Vodia Phone
★3.7
Wildix Collaboration Mobile
Wildix Collaboration Mobile
★4.4
Vonage Home Extensions - VoIP
Vonage Home Extensions - VoIP
★3.8
Fast Call
Fast Call
★4.1
VirtualPBX Softphone
VirtualPBX Softphone
★3.8
Sipdroid
Sipdroid
★3.5
Rynga - Cheap Android Calls
Rynga - Cheap Android Calls
★4.7