0 votes

I can place outgoing calls ... and it rings on the other end (I have tested with two office phones).  But I can't hear anything.  I'm used the paid version of Zoiper (Business?) that I bought from the Apple Store.  

in iOS by (140 points)

1 Answer

0 votes

This could be a network related issue.
If using a SIP account, disabling or enabling STUN could help.

• - rport and stun
Please try to enable or disable "STUN" and Rport for your account.
"STUN" ands Rport are located in "Settings"->"Accounts"->your account->"Network Settings".

Please try allowing the microphone usage in the iOS settings:
IOs Settings -> Privacy -> Microphone -> then enable Zoiper.

by (23.9k points)
The other side can't hear me if I dial out
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