Apps like SessionTalk Pro Softphone

Here are some great alternatives to SessionTalk Pro Softphone by SessionTalk Ltd :
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
★3.4
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★4.0
jiPBX - SIP VOIP Softphone
jiPBX - SIP VOIP Softphone
★4.0
AGEphone
AGEphone
★5.0
MizuDroid SIP VOIP Softphone
MizuDroid SIP VOIP Softphone
★3.9
Zoiper IAX SIP VOIP Softphone
Zoiper IAX SIP VOIP Softphone
★4.4
Bria Mobile: VoIP Softphone
Bria Mobile: VoIP Softphone
★4.1
PortSIP Softphone
PortSIP Softphone
★3.6
Sipnetic
Sipnetic
★4.0
REDCOM Sigma Client
REDCOM Sigma Client
★4.4
Teo Softphone for Android
Teo Softphone for Android
★4.8
Connect.US
Connect.US
★4.4
Voip By Antisip (+Video)
Voip By Antisip (+Video)
★3.8
Mabrook Plazma
Mabrook Plazma
★3.5
VoIP.ms Softphone
VoIP.ms Softphone
★3.9
Cloud Softphone
Cloud Softphone
★3.3