Specifications

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Table 2-23 Call progress tone configuration parameters
Title Explanation
Country/region There are progress tone plans for several countries and regions which are
pre-programmed in gateways. Users may also specify the tone plan
according to the national standard. Gateways provide tone plan for the
following countries and regions:
China; the United States; France; Italy; Germany; Mexico; Chile; Russia;
Japan; South Korea; Hong Kong; Taiwan; India; Sudan; Iran; Algeria;
Pakistan; Philippines; Kazakhstan;
Dial Prompt tone of off-hook dialup
2nd dial Used for the second stage dialup
Message waiting Used for prompt of voice mail, or when the subscriber line is set with “Don’t
Disturb Service and Call Transfer”.
Busy Used for busy line prompt
Congestion Used for notification of call set up failure due to resource limit
Ring back The prompt tone sent to caller when ring
Disconnect Used for reminding the subscriber of off-hook and no dialup status of the
phone
Call waiting Used for notification in call waiting
Confirmation Used for confirming function keys being entered.
Here are examples which illustrate the rules of defining call progress tone.
l
350+440
Indicates the dual–frequency tone consisting of 350 and 440 Hz
l
480+620/500,0/500
Indicates the dual–frequency tone consisting of 480 and 620 Hz, repeated playing with 500
milliseconds on and 500 milliseconds off. Note: 0/500 indicates 500 milliseconds mute.
l
440/300,0/10000,440/300,0/10000
Indicates 440 Hz single frequency tone, repeated playing 2 times in terms of 300 milliseconds on
and 10 seconds off.
l
950/333,1400/333,1800/333,0/1000
Indicates repeated playing 333 milliseconds of 950 Hz, 333 milliseconds of 1400 Hz, 333
milliseconds of 1800 Hz, and mute of 1 second
2.6.9 Functional keys
The function key consists of system function key and service function key. The system function key
is used for acquiring gateway information, and the later is used for users to activate, inactivate
supplementary services.
After login, click the label of “Advanced > Functional Keys” to open this interface.
The following are the examples of the dialing rule for the function key:
a) Using *xx (dial * and 2 digits number ) to activate a service;
b) Using #xx (dial # and 2 digits number) to cancel a service.
Illustrate with following defaults of various parameters, which may be modified accoding to
requirements.