Lenovo ThinkPad T520 (English) User Guide - Page 83

Table 3. Modem command list (continued) Command Description Syntax M Speaker Control M[] &G Select Guard Tone &G[] &P Select Pulse Dial Make or &P[] Break Ratio &V &W *B *D #UD +PCW Display Current &V Configuration and Stored Profile Store Current &W Configuration Display Blacklisted *B Numbers Display Delayed Numbers *D Last Call Status Report #UD Call Waiting Enable +PCW= +PMH Modem-on-Hold Enable +PMH= Values 0: Speaker off. 1: Speaker on during call establishment, but off when receiving carrier. 2: Speaker on. 3: Speaker is off when receiving carrier and during dialing, but on during answering. 0 to 2: Included for compatibility only and has no effect other than returning an OK result code. 0: Selects 39%-61% make or break ratio at 10 pps. 1: Selects 33%-67% make or break ratio at 10 pps. 2: Selects 39%-61% make or break ratio at 20 pps. 3: Selects 33% or 67% make or break ratio at 20 pps. 0: Request modem-on hold if enabled by +PMH and collect caller ID information if enabled by +VRID. Toggle V.24 circuit 125. 1: Hang-up. 2: Ignore call waiting. 0: Modem-on-Hold enabled. 1: Disabled modem-on-hold. Chapter 2. Using your computer 65