[Asterisk-Users] Dialing Delay

[Giovanni Powell]

Like manxpower said, set DigitTimeout to 2 seconds or whatever u want.
Visit voip-info and look for urself. All whats happening is that it
waiting to see if u will press another number (pattern matching) by
default digitstimeout is set to 6 seconds

you might want to change your dialplan as well. 
Example:
exten => 123,1,Dial(Zap/1| 5555555)

Since extension numbers have to be unique u can set an ext. # 123 to
dial the 555 number.