#2862 cannot listen any voice using Android version above 4.4

[Anonymous]

Originally created by: mshun...@gmail.com

What steps will reproduce the problem?
1.using Android version above 4.4
2.can register with cisco call manager
3.make call

What is the expected output? What do you see instead?
cannot listen any voice but the opposite can listen my voice.

What version of the product are you using? On what device / operating
system?

CSipSimple version 1.02.03
Cisco Call Manager version 9.1.1.20000-5

Please provide any additional information below.
using 4.3 or below or using other sip phone such as Cisco Jabber are normal.