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Problem of IDA phone one way communication when having meeting

Publication Date:  2012-09-26 Views:  128 Downloads:  0
Issue Description
All terminals register under SOFTX3000, video phone p2p calls the phone under IDA, they can call and hear each other normally. After conference is convened, video phone can hear the phone under IAD normally, but the phone under IAD can’t hear the video phone’s sound.
Alarm Information
Handling Process
P2P call is normal; consider the difference between P2P and convening a conference is the audio sending and receiving port. Amend the video and audio sending and receiving port, problem is solved. (Notice: Different products have different order of amending. We will list the IAD debug information that we encounter for reference.)
IAD is our company’s, specific step: Connect PC to IAD through serial port. The interface is as follows:
IAD> language -------------- Switch the language to Chinese
IAD> enable ------------------- Switch to activate state
IAD>configure ---------------- Enter configuration
IAD> system-parameter ------------------- Check selected system configuration
e 25th information is “Whether check the long distance UDP port”, the default value is check, change to don’t check
IAD>quit --------------------- quit configuration mode
IAD> write ------------------ Save changed
Root Cause
Video phone’s software version is 2.80.10 H323. Other video terminals in the conference can hear the sound normally, it means MCU has transmitted the audio data.