Hello Team I have one challenge on SIP Line ,,try to establish the connection , The issue is once I call from Avaya to Nec it works but once I call Nec to Avaya it says busy..... So wht is the issue upon
The issue at the moment is that you've given us just three short sentences. What type of IP Office and version of software? What is configured in the IP Office's SIP URI entry? What is configured in the incoming call routes? Any trace of the digits received?
Have you looked at Monitor to see if the call arrives in IPO-land? If call does not arrive, it's a network issue. If call does arrive, the Monitor trace will tell you what is unhappy.
All that check box does is disable the Options messages which is a kind of keep alive. If the NEC isn't responding to them then the IP Office will put the SIP trunk OOS.
Question - are you even seeing the calls from the NEC hitting the SIP trunk on the IP Office? Have you run a monitor trace and captured it? This will tell you what is going wrong.
But one thing remain if am calling to Nec and no answer ,,on it so while I decide to cut my phonee the NEC phone is still ringing....? What is the issue is it SIP Cancel request ? orr....and if it is How can I set SIP CAncel request?
I'll say it one last time. GET A MONITOR TRACE OF THE CALL!!
In the SIP tab set these options;
You will see all the SIP TX and RX packets. You are looking for a TX message with BYE from the IPO when you hang up the call followed by either a ACK or OK message from the NEC (Which I assume you aren't getting)
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