we have NS500 Panasonic and with 2 LIC for SIP Extension,
after 20 sec we cant continue our call with these sip extension. but for SIP trunk every thing is ok,
but for terminate one call that recieved by sip trunk we cant use from our PSTN, in TDE model we could active D05 in 2.9 system option...
we have this problem too,
we have NS500 Panasonic and with 2 LIC for SIP Extension,
after 20 sec we cant continue our call with these sip extension. but for SIP trunk every thing is ok,
but for terminate one call that recieved by sip trunk we cant use from our PSTN, in TDE model we could...
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