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This chapter describes the Dual Tone Multifrequency (DTMF) commands that apply to the basic telephone service interface on the router.
These configuration commands are entered from the telephone keypad to enable a limited set of parameters. To enter DTMF commands you must first press the * key twice followed by the two-digit designator for the command. After entering the command, press the # key to execute the command. The following is an example of a DTMF command:
**sw#
If the command has been entered properly and is being processed, the telephone LED on the router blinks rapidly. If the command is entered in error, the telephone LED blinks slowly over an extended period of time.
 | Caution Do not perform these commands on a terminal connected to the router. You must perform these commands on the telephone keypad of the device that is connected to the router through the basic telephone service port. |
To transfer a call to another caller during an active call, use the set dtmf call transfer command.
**95#| * | Represents the * key on the telephone keypad. |
| # | Represents the # key on the telephone keypad. |
None
Telephone keypad
To transfer an active call, enter the following command (current call is put on hold):
**95#
After hearing a dial tone, dial the number to which the call will be transferred. While the telephone is ringing or after the call is connected, enter the following command again:
**95#
The call is now transferred and the caller who initiated the call transfer is disconnected.
To add an additional caller to an active call, use the set dtmf call conference command.
**97#| * | Represents the * key on the telephone keypad. |
| # | Represents the # key on the telephone keypad. |
None
Telephone keypad
To add conferencing to an active call, enter the following command (current call is put on hold):
**97#
After hearing a dial tone, dial the number of the third party. After the call is connected, enter the following command again:
**97#
All three callers are now connected.
To disable the call waiting feature for the duration of a specific call, use the set dtmf cancel call waiting command.
**99#| * | Represents the * key on the telephone keypad. |
| # | Represents the # key on the telephone keypad. |
None. Call waiting is active if the feature has been subscribed on the line.
Telephone keypad
This command is used to turn off call waiting during a call. The command must be entered before a telephone number is dialed. When the call is completed, call waiting will be automatically reactivated.
Enter the following command on the telephone keypad to cancel call waiting:
**99#
set callwaiting
To configure the basic telephone port with the ISDN directory numbers, use the set dtmf directory number command.
**03 1 | 2 [number * [subaddress]]#No directory number is configured.
Telephone keypad
This parameter must be configured to make analog-to-analog calls through the basic telephone service port. This should be configured before the ISDN line is connected.
Enter the following commands on the telephone keypad to set the directory numbers for both channel 1 and channel 2:
**03 1 5551234#**03 2 5551235#
set directorynumber
If the caller needs to send a # in the dialing string for a specific call, use the set dtmf disable dial terminator command.
**98 #| * | Represents the * key on the telephone keypad. |
| # | Represents the # key on the telephone keypad. |
None
Telephone keypad
This command is used to disable # as the indicator of the end of a dialing string for a particular call. The command must be entered before a telephone number is dialed. When the call is completed, the # will be automatically enabled to indicate the end of dialing.
To configure the Internal profile default gateway from the plain old telephone service (POTS) port, use the set dtmf gateway command.
**06octet1*octet2*octet3*octet4#| **06 | The asterisk represents the * key on the telephone keypad. The 06 value is fixed for this parameter setting. |
| octet1...4 | One octet of an IP address. Together, the four octets should make up the internal profile gateway address. |
| # | Represents the # key on the telephone keypad. |
0.0.0.0
Telephone keypad
This parameter must be configured from the basic telephone service port. Enter this command on the telephone keypad before the ISDN line is connected.
Enter the following command on the telephone keypad to configure the internal profile default gateway:
**06150*150*10*10#
set gateway
To configure the Internal profile IP address from the POTS port, use the set dtmf ip address command.
**05octet1*octet2*octet3*octet4#| **05 | The asterisk represents the * key on the telephone keypad. The 05 value is fixed for this parameter setting. |
| octet1...4 | One octet of an IP address. Together, the four octets should make up the internal profile's IP address. |
| # | Represents the # key on the telephone keypad. |
0.0.0.0
Telephone keypad
This parameter must be configured from the basic telephone service port. Enter this command on the telephone keypad before the ISDN line is connected.
Enter the following on the telephone keypad to configure the internal profile IP address:
**05150*150*10*17#
set ip address
To configure the Internal profile subnet mask from the POTS port, use the set dtmf ip netmask command.
**07octet1*octet2*octet3*octet4#| **07 | The asterisk represents the * key on the telephone keypad. The 07 value is fixed for this parameter setting. |
| octet1...4 | One octet of an IP address. Together, the four octets should make up the internal profile's IP address. |
| # | Represents the # key on the telephone keypad. |
0.0.0.0 (This IP address applies the default subnet mask for Class A, B, and C networks.)
Telephone keypad
This parameter must be configured from the basic telephone service port. Enter this command on the telephone keypad before the ISDN line is connected.
Enter the following command on the telephone keypad to configure the internal profile subnet mask:
**07
set ip netmask
set subnet
To configure the specific telephone number(s) that each link will call, use the set dtmf number command.
**04 1 | 2 [number * [subaddress]]#No directory number is configured.
Telephone keypad
This parameter must be configured to make data calls automatically through the basic telephone service port. This should be configured before the ISDN line is connected. set dtmf number puts a number in the Standard profile.
set number
To configure the basic telephone service port with the ISDN SPID, use the set dtmf spid command.
**02 1 | 2 [spid]#No SPIDs are configured.
Telephone keypad
This parameter must be configured to make analog-to-analog calls over the basic telephone service port. This should be configured before the ISDN line is connected.
Enter the following on the telephone keypad to configure the basic telephone service port with the SPIDs for both B channels:
**02 01408555123401#**02 02408555123402#
set spid id
To configure the basic telephone port with the central office ISDN switch type, use the set dtmf switch command.
**switch#| ** | Represents the * key on the telephone keypad. |
| # | Represents the # key on the telephone keypad. |
| switch | The switch type used by your ISDN line. Must be represented by 10, 11 or 12:
· 10--AT&T 5ESS · 11--Northern Telecom DMS-100 · 12--NI1 |
No switch configured
Telephone keypad
This command is for U. S. models only. This parameter must be configured to make analog-to-analog calls over the basic telephone service port, and should be configured before the ISDN line is connected.
Enter the following command on the telephone keypad to configure the basic telephone service port with ISDN switch type 5ESS:
**10#
set switch
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