Apps like SIP Abacus Parent App

Here are some great alternatives to SIP Abacus Parent App by Eazibiz :
Abacus Exercise
Abacus Exercise
★3.6
Abacus Lesson
Abacus Lesson
★4.8
jiPBX - SIP VOIP Softphone
jiPBX - SIP VOIP Softphone
★4.3
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.6
ZFunds - Daily SIP App
ZFunds - Daily SIP App
★4.7
Ninefone
Ninefone
★4.4
Connect.US
Connect.US
★4.2
Voip By Antisip (+Video)
Voip By Antisip (+Video)
★3.7
HelloBD Calling Card
HelloBD Calling Card
★4.3
AGEphone
AGEphone
★5.0
Mabrook Plazma
Mabrook Plazma
★3.5
Mabrook Prime
Mabrook Prime
★4.4
Connect Me
Connect Me
★4.5
Sipdroid
Sipdroid
★3.5
Mobee Star
Mobee Star
★4.0
HelloByte Dialer
HelloByte Dialer
★3.8