SIP ~ Session Initiation Protocol
I was testing VOIP in on of our dealer company for the whole afternoon. The funny thing is I will need to test with softphone. You may ask what is softphone? Softphone is a software phone which support SIP protocol. I find that there are a lot of problem when testing with softphone. All sorts of funny problems arise. Robot sound, can't listen to the voice of other party, can't register back from outside.... I was troubleshooting these in ACN from 3pm to 8pm. What a day!
But in the end, finally I manage to get the testing done smoothly. I have tested SJ Phone and X-Lite Phone with ACN staff from other places, it works perfectly. But if I test with my colleague from office, weird thing happened. Is either the SIP server shows registered but not my colleague's softphone; or, both were not registered. I got no idea on why this happened. So I've decided to report this to our principal from Taiwan. What a day!!
Any idea on what is happening?
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