
| MultiModemDID User Guide | Chapter 4 - AT Commands,  | |
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| Command: +PMHR=n Modem on Hold Initiate | ||
| Values: | n =  | 
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| Default: | 0 | 
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| Description: | +PMHR is an action command that causes the modem to | |
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 | initiate MOH with the central site modem. It returns the | |
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 | following values to indicate what has been negotiated. Valid | |
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 | only if MOH is enabled and the modem is  | |
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 | mode. Otherwise, ERROR will be returned. | |
| +PMHR=0 | Deny MOH request | 
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| +PMHR=1 | Grant MOH request with 10 second timeout | |
| +PMHR=2 | Grant MOH request with 20 second timeout | |
| +PMHR=3 | Grant MOH request with 30 second timeout | |
| +PMHR=4 | Grant MOH request with 40 second timeout | |
| +PMHR=5 | Grant MOH request with | 1 minute timeout | 
| +PMHR=6 | Grant MOH request with | 2 minute timeout | 
| +PMHR=7 | Grant MOH request with | 3 minute timeout | 
| +PMHR=8 | Grant MOH request with | 4 minute timeout | 
| +PMHR=9 | Grant MOH request with | 6 minute timeout | 
| +PMHR=10 | Grant MOH request with | 8 minute timeout | 
| +PMHR=11 | Grant MOH request with 12 minute timeout | |
| +PMHR=12 | Grant MOH request with 16 minute timeout | |
| +PMHR=13 | Grant MOH request with indefinite timeout | |
| +PMHR=? | Displays the allowed values | |
| +PMHR? | Displays the current value | 
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| Command: +PMHT=n Modem on Hold Timer | 
 | |
| Values: | n =  | 
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| Default: | 0 | 
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| Description: | Determines if the modem will accept a V.92 Modem on Hold | |
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 | (MOH) request and will set the MoH timeout. | |
| +PMHT=0 | Deny MOH request | 
 | 
| +PMHT=1 | Grant MOH request with 10 second timeout | |
| +PMHT=2 | Grant MOH request with 20 second timeout | |
| +PMHT=3 | Grant MOH request with 30 second timeout | |
| +PMHT=4 | Grant MOH request with 40 second timeout | |
| +PMHT=5 | Grant MOH request with | 1 minute timeout | 
| +PMHT=6 | Grant MOH request with | 2 minute timeout | 
| +PMHT=7 | Grant MOH request with | 3 minute timeout | 
| +PMHT=8 | Grant MOH request with | 4 minute timeout | 
| +PMHT=9 | Grant MOH request with | 6 minute timeout | 
| +PMHT=10 | Grant MOH request with | 8 minute timeout | 
| +PMHT=11 | Grant MOH request with 12 minute timeout | |
| +PMHT=12 | Grant MOH request with 16 minute timeout | |
| +PMHT=13 | Grant MOH request with indefinite timeout | |
| +PMHT=? | Displays the allowed values | |
| +PMHT? | Displays the current value | 
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