Apps like RemiPBX

Here are some great alternatives to RemiPBX by RemiPBX Inc. :
SessionCloud SIP Softphone
SessionCloud SIP Softphone
★3.6
SessionTalk Pro Softphone
SessionTalk Pro Softphone
★3.2
SessionTalk Softphone
SessionTalk Softphone
★3.6
MobileVOIP international calls
MobileVOIP international calls
★4.4
TeleConsole
TeleConsole
★4.1
voipoffice
voipoffice
★4.0
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.5
Servcorp Onefone
Servcorp Onefone
★4.4
Wildix Collaboration Mobile
Wildix Collaboration Mobile
★4.3
Voiply Mobile: Calls & Text
Voiply Mobile: Calls & Text
★3.8
VirtualPBX Softphone
VirtualPBX Softphone
★3.7
MobiCalls VOIP Calls
MobiCalls VOIP Calls
★4.3
NimbusPhone
NimbusPhone
★3.5
HelloByte Dialer
HelloByte Dialer
★3.5
WeCall - Global WiFi Calling
WeCall - Global WiFi Calling
★3.8
Zoiper IAX SIP VOIP Softphone
Zoiper IAX SIP VOIP Softphone
★4.4