0 votes

When trying to place a call it pops up a message 

call failure:

SIP 403 - Forbidden 

Barrier capability not authoruized

Any reason why this is happening?

in Windows by (120 points)

Please log in or register to answer this question.

Ask your questions and receive answers from other members of the Zoiper Community.

Did you check our Help Section?

You are a Zoiper Biz or Premium customer? If so, click HERE to get premium support.
2,438 questions
1,541 answers
137,782 users