31st October 2012 at 21:19
#32071
TDMvoip engineer
Guest
Where are the calls from/to. Local, National, International.
Delay caused by:
Inter digit pause.
Post dial delay.
Enbloc or overlap signalling.
End of number flag (F)
International destinations.
Consider is it VoIP or TDM/C7/SS7, ISDN etc.