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Can't connect call between two SX20

Nguyentiendung
Beginner
Beginner

Hi everybody,

I implement two Cisco SX20 units at two sites. When trying to place call between two units, it's unstable. Particularly, sometimes the call is connected, sometimes it's not connected although ping, tracert are Ok. It's very strange. I'm sure that SX20 unit works well. So I make a conclusion that there's a problem with my network but I don't know the reason exactly.

Has anyone faced this problem before?

Dzung.

1 Accepted Solution

Accepted Solutions

Hi Tien,

Turn off NAT if you are not using it.

Also useful to configure QoS, check bandwidth and check packet losses on your link.

View solution in original post

7 Replies 7

Oleksandr Yurchenko
Rising star
Rising star

Hi Tien

Which protocol you use for default call?

A you use VCS or CUCM ?

May be help https://supportforums.cisco.com/message/3937633#3937633

br Oleksandr