Some numbers, usually 800, won’t work??? any ideas as to why??
Not enough information!
How are you connecting, for a start? SIP? PSTN? ISDN? Service provider?
Do other numbers work?
What sort of setup are you using?
Some numbers, usually 800, won’t work??? any ideas as to why??
Not enough information!
How are you connecting, for a start? SIP? PSTN? ISDN? Service provider?
Do other numbers work?
What sort of setup are you using?