!
'?9E:@V!:@!-:>>=$6J#96:$F!2#6;=@?
!
IRI
!
*'(!P84!P899!0'.)!.$)/.X!&()!4')!
')E/+."!
!
WJ:$96$=?%X
5. If the far-end site is not a PictureTel system, verify that it
can receive a call using the H.320 standard.
!
,'0/!4'42I$P)(+/\/9!.-.)/0.!+/;($+/!)E8)!-'(!
084(899-!./)!(7!)E/!.-.)/0!&/@'+/!8PP/7)$45!84!C"<HU!
J$3/'!P899"!?@!)E/!@8+2/43!.-.)/0!$.!C"<HU!P'078)$&9/X!
J/+$@-!)E8)!$)!P84!.(77'+)!843!$.!./)!@'+!)E/!877+'7+$8)/!
J$3/'!843!8(3$'!)+84.0$..$'4!@'+08)."!
?@!)E/!@8+2/43!.$)/!P84!8PP/7)!P899.!(.$45!)E/!C"<HU!
.)8438+3!843!-'(!8+/!.)$99!/#7/+$/4P$45!7+'&9/0.X!5'!)'!
)E/!4/#)!.)/7"
6. Check to see if the far-end site is on a virtual private
(sometimes called software defined) network.
!
C8J/!)E/!7/'79/!8)!)E/!@8+2/43!.$)/!8.G!)E/$+!$4)/+489!
)/9/P'00(4$P8)$'4.!3/78+)0/4)!@'+!)E$.!$4@'+08)$'4"!
>84-!J$+)(89!7+$J8)/!4/)K'+G.!3'!4')!7/+0$)!$4&'(43!
P899.!843!.'0/!J$+)(89!7+$J8)/!4/)K'+G.!+/.)+$P)!6YY2
T:\!P899.!dP899.!'().$3/!)E/!7+$J8)/!4/)K'+Ge"!
?@!&')E!-'(+!.$)/!843!)E/!@8+2/43!.$)/!8+/!'4!)E/!.80/!
J$+)(89!7+$J8)/!4/)K'+G!843!-'(!8+/!.)$99!/#7/+$/4P$45!
7+'&9/0.X!P'4)8P)!-'(+!?,OT!./+J$P/!7+'J$3/+"
?@!)E/!@8+2/43!.$)/!$.!'4!8!J$+)(89!7+$J8)/!4/)K'+G!843!
-'(+!.$)/!$.!
!
$:9
!
!78+)!'@!)E/!.80/!4/)K'+GX!5'!)'!)E/!4/#)!
.)/7"
7. Check that you are dialing the correct OFF-NET numbers
for the far-end site.
!
C8J/!)E/!7/'79/!8)!)E/!@8+2/43!.$)/!8.G!)E/$+!$4)/+489!
)/9/P'00(4$P8)$'4.!3/78+)0/4)!@'+!)E$.!$4@'+08)$'4"!
?@!-'(!8+/!.)$99!/#7/+$/4P$45!7+'&9/0.X!P'4)8P)!-'(+!
J$3/'P'4@/+/4P$45!.(77'+)!7+'J$3/+"
If you have these
symptoms...
Do this...