when my streamyx connected , the my phone volume will be very low until i cant hear what opposite saying . any know what is the problem .

DSL Parameters and Status
Vendor ID: 00B5GSPN
Revision Number: E.37.5.49
Serial Number: 123456789abcdx
Local Tx Power: 11.4 dB
Remote Tx Power: 13.3 dB
Local Line Atten.: 10.5 dB
Remote Line Atten.: 4.0 dB
Local SNR Margin: 32.5 dB
Remote SNR Margin: 11.0 dB
Self Test: Passed
DSL Standard: G.dmt
Profile: MII
Tx Line Rate: 512 Kbps
Rx Line Rate: 2048 Kbps
Framing Structure: Framing-3
Trellis Coding: Enable
Power Management Mode: L2, L3 Both Allowed