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NEC SL2100 SIP trunk call disconnect after 5 second

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bk Patel

Technical User
Aug 11, 2021
63
IN
Dear all
I have SIP extension from service provider which is configure in NEC SL2100 as sip trunk ,
my incoming call working fine but whene i call outgoing then call will disconnect after 5 second.without any message , if same extension we configured in other device it is working fine incoming out going both


pcap file for reference is here
 
yes , other phone is work but our NEC SL 2100 not work
 
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