OTT solution/platformWhat

sappViber Skype Voxox

Smart

VSIM

Audio call standard Yes Yes Yes Yes Yes

Video call No Yes Yes No Yes

Outgoing MSISDN No No Yes Yes Yes

Incoming MSISDN No No YesYes

USYes

Instant messaging Yes Yes Yes Yes Yes

Outgoing SMS No Yes Yes Yes Yes

Incoming SMS No No No Yes Yes

TV and Video on Demand No No No No Yes

MNO full white label integration No No No No Yes

Soft switch

SMSC

User DBM&B

SMSC

SIP

SMPP

Soft switch MGW

Telco Core network

Soft switch

SMSC

User DBM&B

SMSC

SIP

SMPP

Soft switch MGW

Telco Core network