[1.8.3] Calling not getting initiated between different version of SDK (i.e between 1.6.0 and 1.8.3)

[yadavmangesh]

Describe the bug
Can not initiate a call between different version of SDK 1.8.3 and 1.6.0 or vice versa

To Reproduce
Steps to reproduce the behavior:

1. Run one app on 1.6.0
2. Run another app on 1.8.+
3. initiate call between the two users

Expected behavior
Call getting started

Actual behavior
Nothing happening. Call listener not getting triggered

Enviorment/Platfrom (please complete the following information):

• Android API Version 21
• CometChat SDK Version[1.8.3 and 1.6.0]

Logs (Error Logs)

• No error logs
• No exceptions are shown

Additional context
Receiving text messages but not call messages. But getting them while fetching previous
messages