How to solve the poor sound quality of Vos?

The sound quality mainly depends on the transmission network and the processing capacity of the equipment

If VOS When media forwarding is not enabled , The sound quality is poor , When checking the problem, you can think VOS It's normal , because VOS Not involved in voice stream processing , So it doesn't involve sound quality .

stay VOS When media forwarding is enabled , The sound quality is poor , You can observe the current call “ Caller receives voice ”（ Received from the calling party and sent to VOS The voice of ） and “ Called to receive voice ”（ Received the called party and sent it to VOS The voice of ） The key words “Lose” Whether there is more than 0 Percentage value of , If it exists, it means there is packet loss , The greater the numerical , The more serious packet loss , Need to verify the network , Such as ：

1. Is there enough bandwidth

2. Whether the interconnection is good , The problem of cross operator networks during peak hours may be amplified

3. Whether the network has a limit on the number of messages transmitted per second