[asterisk-users] reduce dialtone volume on zap channel.

[Eric "ManxPower" Wieling]

Don Pobanz wrote:
>> Eric "ManxPower" Wieling
>>
>> No, you cannot change the volume of ONLY the dialtone 
>> on a Zap interface.
>>
> I was afraid of that. 
> 
>> The most common problem with the first digit being 
>> missed by the telco is that Asterisk is trying to 
>> dial too soon after it goes off hook.  If 
>> it is an analog port then prefixing your number 
>> with w or ww will help.
>>
> 
> My issue is prior to ever sending the digits somewhere else such as the pstn. It is just having asterisk recognize the dtmf when I press a button on the phone. 

Make sure the pair was not swapped between Asterisk and the phone.