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Ip phone behind tunnel

i have installed the CCM 6.0 and i have configured the ip phone to be behind vpn tunnel, sometimes the ip phones freezes and

the voice drops and also the softkeys dispalyed at phone screen disappears.

What can be ?

Thanks.

1 REPLY
Hall of Fame Super Gold

Re: Ip phone behind tunnel

Check you network performances.

While in conversation on the ip phone press ? twice, scroll down, you will see packet loss and jitter statistics.

When these are high, the underlying IP network is not adequate for voice an something should be done to correct it if possible.

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