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problem in SV9100 remote ip phone

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Bowwil

Bowwil

Programmer
Jan 9, 2017
37
HK
Dear All,

I have a NEC IP phone at a remote site connecting to the SV 9100 system by VPN.

The phone will disconnect and reconnect while receiving a call.
No problem with outgoing calls and all the IP phones on the local site.

Does anyone know what caused this?

Please help.
 
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Two things to check:

15-05-47 and 48 set to 60

SIP ALG is off on both sides on your router/firewalls.
 
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Coraltech,thx for reply

my setting in 15-05-47 and 48 are 180.
and 10-46-14 is off

 
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