I'm so close to getting this right. Can someone tell me what I'm doing wrong?

many thanks maparus

debian: wvdial
-->wvdial: internet dialer version 1.54.0
-->initializing modem
-->sending: ATZ
ATZ
OK
-->sending: ATQ0 V1 E1 SO=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 SO=0 &C1 &D2 +FCLASS=0
OK
-->modem initialized.
-->sending:ATDT2124600
-->waiting for carrier.
ATDT2124600
connect 115200
cc UQKT2 welcome to lou2-dial2.popsite.net
login:
-->carrier detected. waiting for prompt
-->connected, but carrier signal lost! retrying