h3cVoiceIfCfgTimerDialInterval 1.3.6.1.4.1.43.45.1.10.2.39.13.1.1.1.7

The interval, in seconds, between two dialing numbers. The default value of this object is 10 seconds. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 with loop-start or ground-start protocol voice subscriber line.