Apps like SpectrumVoIP ES

Here are some great alternatives to SpectrumVoIP ES by SpectrumVoIP Developer :
MobiCalls VOIP Calls
MobiCalls VOIP Calls
★3.6
HelloSpoke Mobile
HelloSpoke Mobile
★4.0
Anywhere Connect
Anywhere Connect
★3.4
12Voip
12Voip
★4.3
voipoffice
voipoffice
★4.0
SessionTalk Softphone
SessionTalk Softphone
★3.6
Vodia Phone
Vodia Phone
★3.7
007VoIP Cheap VoIP calls
007VoIP Cheap VoIP calls
★3.5
Wildix Collaboration Mobile
Wildix Collaboration Mobile
★4.3
TeleConsole
TeleConsole
★4.1
Fast Call
Fast Call
★4.1
Vonage Home Extensions - VoIP
Vonage Home Extensions - VoIP
★3.9
VirtualPBX Softphone
VirtualPBX Softphone
★3.7
inexPHONE
inexPHONE
★4.1
CallPirates - Cheap calls
CallPirates - Cheap calls
★5.0
Rynga - Cheap Android Calls
Rynga - Cheap Android Calls
★4.6