Alcatel 060170-10, Руководство пользователя

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VoIP Networks with PSTN — Example 15
Page 3-43
VoIP Networks with PSTN — Example 15
PSTN and Eleven Digit Extensions
This dialing scheme demonstrates using eleven digit extensions with the PSTN, although only
seven digits are actually forwarded to the PBXs.
Any number used as a site prefix cannot be used for the first digit of any valid extension.
Example 15 — PSTN and Eleven Digit Extensions
LEGEND for Diagram Components
PBX #1 Configuration PBX #2 Configuration
— Expects to receive seven on trunk (J) and then uses
these digits to route calls to lines (A) .
— Expects to receive seven digits on trunk (L) and
then uses these digits to route calls to lines (B) .
— Routes calls starting with 878-2xxx to lines (A). — Routes calls starting with 1-598-2xxx to lines (B) .
— Routes calls starting with 1-603-598-2xxx to
trunk
(J) , and then the VoIP network uses these digits
to route calls to trunk (L) .
— Routes calls starting with 1-818-878-2xxx to
trunk
(L) , and then the VoIP network uses these digits
to route calls to trunk (J) .
Extensions
off of PBX #1
(A)
(J)
Extensions
off of PBX #2 (B)
(L)
PBX #1
PBX #2
(R)
(T)
Voice
Daughtercard
#1
IP 192.168.11.2
Port 1720
Voice
Daughtercard
#2
IP 192.168.12.2
Port 1720
WAN
PSTN
T1
T1
T1
T1
8782000
to 8782999
5982000
to 5982999
1-818-878-2000
to 878-2999
stripped
digits
1-603-598-2000
to 598-2999
stripped
digits