Apps like T-Mobile IP Relay

Here are some great alternatives to T-Mobile IP Relay by T-Mobile USA :
Android Proxy Server
Android Proxy Server
★4.7
Relay Delivery - Rider
Relay Delivery - Rider
★4.3
Android Proxy Server Pro
Android Proxy Server Pro
★4.7
PTS Dialer
PTS Dialer
★3.7
12Voip
12Voip
★4.4
ActionVoip
ActionVoip
★4.5
WiFi Calling - Pro
WiFi Calling - Pro
★4.0
Iridium GO!
Iridium GO!
★3.3
T-Mobile Direct Connect
T-Mobile Direct Connect
★3.5
AT&T ActiveArmor℠
AT&T ActiveArmor℠
★4.0
AT&T YesOkay
AT&T YesOkay
★3.6
Nonoh - Frugal calls
Nonoh - Frugal calls
★4.5
EasyVoip Save on Mobile calls
EasyVoip Save on Mobile calls
★4.3
TeleConsole
TeleConsole
★4.1
MegaVoip
MegaVoip
★3.5
Vonage Home Extensions - VoIP
Vonage Home Extensions - VoIP
★3.9